diff --git a/src/external/code-mirror/mode/clojure/test.js b/src/external/code-mirror/mode/clojure/test.js
new file mode 100644
index 000000000..18ee645db
--- /dev/null
+++ b/src/external/code-mirror/mode/clojure/test.js
@@ -0,0 +1,384 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/5/LICENSE
+
+(function () {
+    var mode = CodeMirror.getMode({indentUnit: 2}, "clojure");
+
+    function MT(name) {
+        test.mode(name, mode, Array.prototype.slice.call(arguments, 1));
+    }
+
+    MT("atoms",
+        "[atom false]",
+        "[atom nil]",
+        "[atom true]"
+    );
+
+    MT("keywords",
+        "[atom :foo]",
+        "[atom ::bar]",
+        "[atom :foo/bar]",
+        "[atom :foo.bar/baz]"
+    );
+
+    MT("numbers",
+        "[number 42] [number +42] [number -421]",
+        "[number 42N] [number +42N] [number -42N]",
+        "[number 0.42] [number +0.42] [number -0.42]",
+        "[number 42M] [number +42M] [number -42M]",
+        "[number 42.42M] [number +42.42M] [number -42.42M]",
+        "[number 1/42] [number +1/42] [number -1/42]",
+        "[number 0x42af] [number +0x42af] [number -0x42af]",
+        "[number 0x42AF] [number +0x42AF] [number -0x42AF]",
+        "[number 1e2] [number 1e+2] [number 1e-2]",
+        "[number +1e2] [number +1e+2] [number +1e-2]",
+        "[number -1e2] [number -1e+2] [number -1e-2]",
+        "[number -1.0e2] [number -0.1e+2] [number -1.01e-2]",
+        "[number 1E2] [number 1E+2] [number 1E-2]",
+        "[number +1E2] [number +1E+2] [number +1E-2]",
+        "[number -1E2] [number -1E+2] [number -1E-2]",
+        "[number -1.0E2] [number -0.1E+2] [number -1.01E-2]",
+        "[number 2r101010] [number +2r101010] [number -2r101010]",
+        "[number 2r101010] [number +2r101010] [number -2r101010]",
+        "[number 8r52] [number +8r52] [number -8r52]",
+        "[number 36rhello] [number +36rhello] [number -36rhello]",
+        "[number 36rz] [number +36rz] [number -36rz]",
+        "[number 36rZ] [number +36rZ] [number -36rZ]",
+
+        // invalid numbers
+        "[error 42foo]",
+        "[error 42Nfoo]",
+        "[error 42Mfoo]",
+        "[error 42.42Mfoo]",
+        "[error 42.42M!]",
+        "[error 42!]",
+        "[error 0x42afm]"
+    );
+
+    MT("characters",
+        "[string-2 \\1]",
+        "[string-2 \\a]",
+        "[string-2 \\a\\b\\c]",
+        "[string-2 \\#]",
+        "[string-2 \\\\]",
+        "[string-2 \\\"]",
+        "[string-2 \\(]",
+        "[string-2 \\A]",
+        "[string-2 \\backspace]",
+        "[string-2 \\formfeed]",
+        "[string-2 \\newline]",
+        "[string-2 \\space]",
+        "[string-2 \\return]",
+        "[string-2 \\tab]",
+        "[string-2 \\u1000]",
+        "[string-2 \\uAaAa]",
+        "[string-2 \\u9F9F]",
+        "[string-2 \\o123]",
+        "[string-2 \\符]",
+        "[string-2 \\シ]",
+        "[string-2 \\ۇ]",
+        // FIXME
+        // "[string-2 \\🙂]",
+
+        // invalid character literals
+        "[error \\abc]",
+        "[error \\a123]",
+        "[error \\a!]",
+        "[error \\newlines]",
+        "[error \\NEWLINE]",
+        "[error \\u9F9FF]",
+        "[error \\o1234]"
+    );
+
+    MT("strings",
+        "[string \"I'm a teapot.\"]",
+        "[string \"I'm a \\\"teapot\\\".\"]",
+        "[string \"I'm]",       // this is
+        "[string a]",           // a multi-line
+        "[string teapot.\"]"    // string
+
+        // TODO unterminated (multi-line) strings?
+    );
+
+    MT("comments",
+        "[comment ; this is an in-line comment.]",
+        "[comment ;; this is a line comment.]",
+        "[keyword comment]",
+        "[bracket (][comment comment (foo 1 2 3)][bracket )]"
+    );
+
+    MT("reader macro characters",
+        "[meta #][variable _]",
+        "[meta #][variable -Inf]",
+        "[meta ##][variable Inf]",
+        "[meta ##][variable NaN]",
+        "[meta @][variable x]",
+        "[meta ^][bracket {][atom :tag] [variable String][bracket }]",
+        "[meta `][bracket (][builtin f] [variable x][bracket )]",
+        "[meta ~][variable foo#]",
+        "[meta '][number 1]",
+        "[meta '][atom :foo]",
+        "[meta '][string \"foo\"]",
+        "[meta '][variable x]",
+        "[meta '][bracket (][builtin a] [variable b] [variable c][bracket )]",
+        "[meta '][bracket [[][variable a] [variable b] [variable c][bracket ]]]",
+        "[meta '][bracket {][variable a] [number 1] [atom :foo] [number 2] [variable c] [number 3][bracket }]",
+        "[meta '#][bracket {][variable a] [number 1] [atom :foo][bracket }]"
+    );
+
+    MT("symbols",
+      "[variable foo!]",
+      "[variable foo#]",
+      "[variable foo$]",
+      "[variable foo&]",
+      "[variable foo']",
+      "[variable foo*]",
+      "[variable foo+]",
+      "[variable foo-]",
+      "[variable foo.]",
+      "[variable foo/bar]",
+      "[variable foo:bar]",
+      "[variable foo<]",
+      "[variable foo=]",
+      "[variable foo>]",
+      "[variable foo?]",
+      "[variable foo_]",
+      "[variable foo|]",
+      "[variable foobarBaz]",
+      "[variable foo¡]",
+      "[variable 符号]",
+      "[variable シンボル]",
+      "[variable ئۇيغۇر]",
+      "[variable 🙂❤🇺🇸]",
+
+      // invalid symbols
+      "[error 3foo]",
+      "[error 3+]",
+      "[error 3|]",
+      "[error 3_]"
+    );
+
+    MT("numbers and other forms",
+      "[number 42][bracket (][builtin foo][bracket )]",
+      "[number 42][bracket [[][variable foo][bracket ]]]",
+      "[number 42][meta #][bracket {][variable foo][bracket }]",
+      "[number 42][bracket {][atom :foo] [variable bar][bracket }]",
+      "[number 42][meta `][variable foo]",
+      "[number 42][meta ~][variable foo]",
+      "[number 42][meta #][variable foo]"
+    );
+
+    var specialForms = [".", "catch", "def", "do", "if", "monitor-enter",
+        "monitor-exit", "new", "quote", "recur", "set!", "throw", "try", "var"];
+
+    MT("should highlight special forms as keywords",
+        typeTokenPairs("keyword", specialForms)
+    );
+
+    var coreSymbols1 = [
+        "*", "*'", "*1", "*2", "*3", "*agent*", "*allow-unresolved-vars*", "*assert*",
+        "*clojure-version*", "*command-line-args*", "*compile-files*", "*compile-path*", "*compiler-options*",
+        "*data-readers*", "*default-data-reader-fn*", "*e", "*err*", "*file*", "*flush-on-newline*", "*fn-loader*",
+        "*in*", "*math-context*", "*ns*", "*out*", "*print-dup*", "*print-length*", "*print-level*", "*print-meta*",
+        "*print-namespace-maps*", "*print-readably*", "*read-eval*", "*reader-resolver*", "*source-path*",
+        "*suppress-read*", "*unchecked-math*", "*use-context-classloader*", "*verbose-defrecords*",
+        "*warn-on-reflection*", "+", "+'", "-", "-'", "->", "->>", "->ArrayChunk", "->Eduction", "->Vec", "->VecNode",
+        "->VecSeq", "-cache-protocol-fn", "-reset-methods", "..", "/", "<", "<=", "=", "==", ">", ">=",
+        "EMPTY-NODE", "Inst", "StackTraceElement->vec", "Throwable->map", "accessor", "aclone", "add-classpath",
+        "add-watch", "agent", "agent-error", "agent-errors", "aget", "alength", "alias", "all-ns", "alter",
+        "alter-meta!", "alter-var-root", "amap", "ancestors", "and", "any?", "apply", "areduce", "array-map",
+        "as->", "aset", "aset-boolean", "aset-byte", "aset-char", "aset-double", "aset-float", "aset-int",
+        "aset-long", "aset-short", "assert", "assoc", "assoc!", "assoc-in", "associative?", "atom", "await",
+        "await-for", "await1", "bases", "bean", "bigdec", "bigint", "biginteger", "binding", "bit-and", "bit-and-not",
+        "bit-clear", "bit-flip", "bit-not", "bit-or", "bit-set", "bit-shift-left", "bit-shift-right", "bit-test",
+        "bit-xor", "boolean", "boolean-array", "boolean?", "booleans", "bound-fn", "bound-fn*", "bound?",
+        "bounded-count", "butlast", "byte", "byte-array", "bytes", "bytes?", "case", "cast", "cat", "char",
+        "char-array", "char-escape-string", "char-name-string", "char?", "chars", "chunk", "chunk-append",
+        "chunk-buffer", "chunk-cons", "chunk-first", "chunk-next", "chunk-rest", "chunked-seq?", "class", "class?",
+        "clear-agent-errors", "clojure-version", "coll?", "comment", "commute", "comp", "comparator", "compare",
+        "compare-and-set!", "compile", "complement", "completing", "concat", "cond", "cond->", "cond->>", "condp",
+        "conj", "conj!", "cons", "constantly", "construct-proxy", "contains?", "count", "counted?", "create-ns",
+        "create-struct", "cycle", "dec", "dec'", "decimal?", "declare", "dedupe", "default-data-readers", "definline",
+        "definterface", "defmacro", "defmethod", "defmulti", "defn", "defn-", "defonce", "defprotocol", "defrecord",
+        "defstruct", "deftype", "delay", "delay?", "deliver", "denominator", "deref", "derive", "descendants",
+        "destructure", "disj", "disj!", "dissoc", "dissoc!", "distinct", "distinct?", "doall", "dorun", "doseq",
+        "dosync", "dotimes", "doto", "double", "double-array", "double?", "doubles", "drop", "drop-last", "drop-while",
+        "eduction", "empty", "empty?", "ensure", "ensure-reduced", "enumeration-seq", "error-handler", "error-mode",
+        "eval", "even?", "every-pred", "every?", "ex-data", "ex-info", "extend", "extend-protocol", "extend-type",
+        "extenders", "extends?", "false?", "ffirst", "file-seq", "filter", "filterv", "find", "find-keyword", "find-ns",
+        "find-protocol-impl", "find-protocol-method", "find-var", "first", "flatten", "float", "float-array", "float?",
+        "floats", "flush", "fn", "fn?", "fnext", "fnil", "for", "force", "format", "frequencies", "future", "future-call",
+        "future-cancel", "future-cancelled?", "future-done?", "future?", "gen-class", "gen-interface", "gensym", "get",
+        "get-in", "get-method", "get-proxy-class", "get-thread-bindings", "get-validator", "group-by", "halt-when", "hash",
+        "hash-combine", "hash-map", "hash-ordered-coll", "hash-set", "hash-unordered-coll", "ident?", "identical?",
+        "identity", "if-let", "if-not", "if-some", "ifn?", "import", "in-ns", "inc", "inc'", "indexed?", "init-proxy",
+        "inst-ms", "inst-ms*", "inst?", "instance?", "int", "int-array", "int?", "integer?", "interleave", "intern",
+        "interpose", "into", "into-array", "ints", "io!", "isa?", "iterate", "iterator-seq", "juxt", "keep", "keep-indexed",
+        "key", "keys", "keyword", "keyword?", "last", "lazy-cat", "lazy-seq", "let", "letfn", "line-seq", "list", "list*",
+        "list?", "load", "load-file", "load-reader", "load-string", "loaded-libs", "locking", "long", "long-array", "longs",
+        "loop", "macroexpand", "macroexpand-1", "make-array", "make-hierarchy", "map", "map-entry?", "map-indexed", "map?",
+        "mapcat", "mapv", "max", "max-key", "memfn", "memoize", "merge", "merge-with", "meta", "method-sig", "methods"];
+
+    var coreSymbols2 = [
+        "min", "min-key", "mix-collection-hash", "mod", "munge", "name", "namespace", "namespace-munge", "nat-int?",
+        "neg-int?", "neg?", "newline", "next", "nfirst", "nil?", "nnext", "not", "not-any?", "not-empty", "not-every?",
+        "not=", "ns", "ns-aliases", "ns-imports", "ns-interns", "ns-map", "ns-name", "ns-publics", "ns-refers", "ns-resolve",
+        "ns-unalias", "ns-unmap", "nth", "nthnext", "nthrest", "num", "number?", "numerator", "object-array", "odd?", "or",
+        "parents", "partial", "partition", "partition-all", "partition-by", "pcalls", "peek", "persistent!", "pmap", "pop",
+        "pop!", "pop-thread-bindings", "pos-int?", "pos?", "pr", "pr-str", "prefer-method", "prefers",
+        "primitives-classnames", "print", "print-ctor", "print-dup", "print-method", "print-simple", "print-str", "printf",
+        "println", "println-str", "prn", "prn-str", "promise", "proxy", "proxy-call-with-super", "proxy-mappings",
+        "proxy-name", "proxy-super", "push-thread-bindings", "pvalues", "qualified-ident?", "qualified-keyword?",
+        "qualified-symbol?", "quot", "rand", "rand-int", "rand-nth", "random-sample", "range", "ratio?", "rational?",
+        "rationalize", "re-find", "re-groups", "re-matcher", "re-matches", "re-pattern", "re-seq", "read", "read-line",
+        "read-string", "reader-conditional", "reader-conditional?", "realized?", "record?", "reduce", "reduce-kv", "reduced",
+        "reduced?", "reductions", "ref", "ref-history-count", "ref-max-history", "ref-min-history", "ref-set", "refer",
+        "refer-clojure", "reify", "release-pending-sends", "rem", "remove", "remove-all-methods", "remove-method", "remove-ns",
+        "remove-watch", "repeat", "repeatedly", "replace", "replicate", "require", "reset!", "reset-meta!", "reset-vals!",
+        "resolve", "rest", "restart-agent", "resultset-seq", "reverse", "reversible?", "rseq", "rsubseq", "run!", "satisfies?",
+        "second", "select-keys", "send", "send-off", "send-via", "seq", "seq?", "seqable?", "seque", "sequence", "sequential?",
+        "set", "set-agent-send-executor!", "set-agent-send-off-executor!", "set-error-handler!", "set-error-mode!",
+        "set-validator!", "set?", "short", "short-array", "shorts", "shuffle", "shutdown-agents", "simple-ident?",
+        "simple-keyword?", "simple-symbol?", "slurp", "some", "some->", "some->>", "some-fn", "some?", "sort", "sort-by",
+        "sorted-map", "sorted-map-by", "sorted-set", "sorted-set-by", "sorted?", "special-symbol?", "spit", "split-at",
+        "split-with", "str", "string?", "struct", "struct-map", "subs", "subseq", "subvec", "supers", "swap!", "swap-vals!",
+        "symbol", "symbol?", "sync", "tagged-literal", "tagged-literal?", "take", "take-last", "take-nth", "take-while", "test",
+        "the-ns", "thread-bound?", "time", "to-array", "to-array-2d", "trampoline", "transduce", "transient", "tree-seq",
+        "true?", "type", "unchecked-add", "unchecked-add-int", "unchecked-byte", "unchecked-char", "unchecked-dec",
+        "unchecked-dec-int", "unchecked-divide-int", "unchecked-double", "unchecked-float", "unchecked-inc", "unchecked-inc-int",
+        "unchecked-int", "unchecked-long", "unchecked-multiply", "unchecked-multiply-int", "unchecked-negate",
+        "unchecked-negate-int", "unchecked-remainder-int", "unchecked-short", "unchecked-subtract", "unchecked-subtract-int",
+        "underive", "unquote", "unquote-splicing", "unreduced", "unsigned-bit-shift-right", "update", "update-in",
+        "update-proxy", "uri?", "use", "uuid?", "val", "vals", "var-get", "var-set", "var?", "vary-meta", "vec", "vector",
+        "vector-of", "vector?", "volatile!", "volatile?", "vreset!", "vswap!", "when", "when-first", "when-let", "when-not",
+        "when-some", "while", "with-bindings", "with-bindings*", "with-in-str", "with-loading-context", "with-local-vars",
+        "with-meta", "with-open", "with-out-str", "with-precision", "with-redefs", "with-redefs-fn", "xml-seq", "zero?",
+        "zipmap"
+    ];
+
+    MT("should highlight core symbols as keywords (part 1/2)",
+        typeTokenPairs("keyword", coreSymbols1)
+    );
+
+    MT("should highlight core symbols as keywords (part 2/2)",
+        typeTokenPairs("keyword", coreSymbols2)
+    );
+
+    MT("should properly indent forms in list literals",
+        "[bracket (][builtin foo] [atom :a] [number 1] [atom true] [atom nil][bracket )]",
+        "",
+        "[bracket (][builtin foo] [atom :a]",
+        "     [number 1]",
+        "     [atom true]",
+        "     [atom nil][bracket )]",
+        "",
+        "[bracket (][builtin foo] [atom :a] [number 1]",
+        "     [atom true]",
+        "     [atom nil][bracket )]",
+        "",
+        "[bracket (]",
+        " [builtin foo]",
+        " [atom :a]",
+        " [number 1]",
+        " [atom true]",
+        " [atom nil][bracket )]",
+        "",
+        "[bracket (][builtin foo] [bracket [[][atom :a][bracket ]]]",
+        "     [number 1]",
+        "     [atom true]",
+        "     [atom nil][bracket )]"
+    );
+
+    MT("should properly indent forms in vector literals",
+        "[bracket [[][atom :a] [number 1] [atom true] [atom nil][bracket ]]]",
+        "",
+        "[bracket [[][atom :a]",
+        " [number 1]",
+        " [atom true]",
+        " [atom nil][bracket ]]]",
+        "",
+        "[bracket [[][atom :a] [number 1]",
+        " [atom true]",
+        " [atom nil][bracket ]]]",
+        "",
+        "[bracket [[]",
+        " [variable foo]",
+        " [atom :a]",
+        " [number 1]",
+        " [atom true]",
+        " [atom nil][bracket ]]]"
+    );
+
+    MT("should properly indent forms in map literals",
+        "[bracket {][atom :a] [atom :a] [atom :b] [number 1] [atom :c] [atom true] [atom :d] [atom nil] [bracket }]",
+        "",
+        "[bracket {][atom :a] [atom :a]",
+        " [atom :b] [number 1]",
+        " [atom :c] [atom true]",
+        " [atom :d] [atom nil][bracket }]",
+        "",
+        "[bracket {][atom :a]",
+        " [atom :a]",
+        " [atom :b]",
+        " [number 1]",
+        " [atom :c]",
+        " [atom true]",
+        " [atom :d]",
+        " [atom nil][bracket }]",
+        "",
+        "[bracket {]",
+        " [atom :a] [atom :a]",
+        " [atom :b] [number 1]",
+        " [atom :c] [atom true]",
+        " [atom :d] [atom nil][bracket }]"
+    );
+
+    MT("should properly indent forms in set literals",
+        "[meta #][bracket {][atom :a] [number 1] [atom true] [atom nil] [bracket }]",
+        "",
+        "[meta #][bracket {][atom :a]",
+        "  [number 1]",
+        "  [atom true]",
+        "  [atom nil][bracket }]",
+        "",
+        "[meta #][bracket {]",
+        "  [atom :a]",
+        "  [number 1]",
+        "  [atom true]",
+        "  [atom nil][bracket }]"
+    );
+
+    var haveBodyParameter = [
+        "->", "->>", "as->", "binding", "bound-fn", "case", "catch", "cond",
+        "cond->", "cond->>", "condp", "def", "definterface", "defmethod", "defn",
+        "defmacro", "defprotocol", "defrecord", "defstruct", "deftype", "do",
+        "doseq", "dotimes", "doto", "extend", "extend-protocol", "extend-type",
+        "fn", "for", "future", "if", "if-let", "if-not", "if-some", "let",
+        "letfn", "locking", "loop", "ns", "proxy", "reify", "some->", "some->>",
+        "struct-map", "try", "when", "when-first", "when-let", "when-not",
+        "when-some", "while", "with-bindings", "with-bindings*", "with-in-str",
+        "with-loading-context", "with-local-vars", "with-meta", "with-open",
+        "with-out-str", "with-precision", "with-redefs", "with-redefs-fn"];
+
+    function testFormsThatHaveBodyParameter(forms) {
+        for (var i = 0; i < forms.length; i++) {
+            MT("should indent body argument of `" + forms[i] + "` by `options.indentUnit` spaces",
+                "[bracket (][keyword " + forms[i] + "] [variable foo] [variable bar]",
+                "  [variable baz]",
+                "  [variable qux][bracket )]"
+            );
+        }
+    }
+
+    testFormsThatHaveBodyParameter(haveBodyParameter);
+
+    MT("should indent body argument of `comment` by `options.indentUnit` spaces",
+        "[bracket (][comment comment foo bar]",
+        "[comment  baz]",
+        "[comment  qux][bracket )]"
+    );
+
+    function typeTokenPairs(type, tokens) {
+        return "[" + type + " " + tokens.join("] [" + type + " ") + "]";
+    }
+})();
diff --git a/src/external/code-mirror/mode/d/test.js b/src/external/code-mirror/mode/d/test.js
new file mode 100644
index 000000000..69745fad1
--- /dev/null
+++ b/src/external/code-mirror/mode/d/test.js
@@ -0,0 +1,11 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/5/LICENSE
+
+(function() {
+  var mode = CodeMirror.getMode({indentUnit: 2}, "d");
+  function MT(name) { test.mode(name, mode, Array.prototype.slice.call(arguments, 1)); }
+
+  MT("nested_comments",
+     "[comment /+]","[comment comment]","[comment +/]","[variable void] [variable main](){}");
+
+})();
diff --git a/src/external/code-mirror/mode/dockerfile/test.js b/src/external/code-mirror/mode/dockerfile/test.js
new file mode 100644
index 000000000..812e6287c
--- /dev/null
+++ b/src/external/code-mirror/mode/dockerfile/test.js
@@ -0,0 +1,128 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/5/LICENSE
+
+(function() {
+  var mode = CodeMirror.getMode({indentUnit: 2}, "text/x-dockerfile");
+  function MT(name) { test.mode(name, mode, Array.prototype.slice.call(arguments, 1)); }
+
+  MT("simple_nodejs_dockerfile",
+     "[keyword FROM] node:carbon",
+     "[comment # Create app directory]",
+     "[keyword WORKDIR] /usr/src/app",
+     "[comment # Install app dependencies]",
+     "[comment # A wildcard is used to ensure both package.json AND package-lock.json are copied]",
+     "[comment # where available (npm@5+)]",
+     "[keyword COPY] package*.json ./",
+     "[keyword RUN] npm install",
+     "[keyword COPY] . .",
+     "[keyword EXPOSE] [number 8080] [number 3000]",
+     "[keyword ENV] NODE_ENV development",
+     "[keyword CMD] [[ [string \"npm\"], [string \"start\"] ]]");
+
+  // Ideally the last space should not be highlighted.
+  MT("instruction_without_args_1",
+     "[keyword CMD] ");
+
+  MT("instruction_without_args_2",
+     "[comment # An instruction without args...]",
+     "[keyword ARG] [error #...is an error]");
+
+  MT("multiline",
+     "[keyword RUN] apt-get update && apt-get install -y \\",
+     "  mercurial \\",
+     "  subversion \\",
+     "  && apt-get clean \\",
+     "  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*");
+
+  MT("from_comment",
+     "  [keyword FROM] debian:stretch # I tend to use stable as that is more stable",
+     "  [keyword FROM] debian:stretch [keyword AS] stable # I am even more stable",
+     " [keyword FROM] [error # this is an error]");
+
+  MT("from_as",
+     "[keyword FROM] golang:1.9.2-alpine3.6 [keyword AS] build",
+     "[keyword COPY] --from=build /bin/project /bin/project",
+     "[keyword ENTRYPOINT] [[ [string \"/bin/project\"] ]]",
+     "[keyword CMD] [[ [string \"--help\"] ]]");
+
+  MT("arg",
+     "[keyword ARG] VERSION=latest",
+     "[keyword FROM] busybox:$VERSION",
+     "[keyword ARG] VERSION",
+     "[keyword RUN] echo $VERSION > image_version");
+
+  MT("label",
+     "[keyword LABEL] com.example.label-with-value=[string \"foo\"]");
+
+  MT("label_multiline",
+     "[keyword LABEL] description=[string \"This text illustrates ]\\",
+     "[string that label-values can span multiple lines.\"]");
+
+  MT("maintainer",
+     "[keyword MAINTAINER] Foo Bar [string \"foo@bar.com\"] ",
+     "[keyword MAINTAINER] Bar Baz <bar@baz.com>");
+
+  MT("env",
+     "[keyword ENV] BUNDLE_PATH=[string \"$GEM_HOME\"] \\",
+     "  BUNDLE_APP_CONFIG=[string \"$GEM_HOME\"]");
+
+  MT("verify_keyword",
+     "[keyword RUN] add-apt-repository ppa:chris-lea/node.js");
+
+  MT("scripts",
+     "[comment # Set an entrypoint, to automatically install node modules]",
+     "[keyword ENTRYPOINT] [[ [string \"/bin/bash\"], [string \"-c\"], [string \"if [[ ! -d node_modules ]]; then npm install; fi; exec \\\"${@:0}\\\";\"] ]]",
+     "[keyword CMD] npm start",
+     "[keyword RUN] npm run build && \\",
+     "[comment # a comment between the shell commands]",
+     "  npm run test");
+
+  MT("strings_single",
+     "[keyword FROM] buildpack-deps:stretch",
+     "[keyword RUN] { \\",
+     "        echo [string 'install: --no-document']; \\",
+     "        echo [string 'update: --no-document']; \\",
+     "    } >> /usr/local/etc/gemrc");
+
+  MT("strings_single_multiline",
+     "[keyword RUN] set -ex \\",
+     "    \\",
+     "    && buildDeps=[string ' ]\\",
+     "[string        bison ]\\",
+     "[string        dpkg-dev ]\\",
+     "[string        libgdbm-dev ]\\",
+     "[string        ruby ]\\",
+     "[string    '] \\",
+     "    && apt-get update");
+
+  MT("strings_single_multiline_2",
+     "[keyword RUN] echo [string 'say \\' ]\\",
+     "[string   it works'] ");
+
+  MT("strings_double",
+     "[keyword RUN] apt-get install -y --no-install-recommends $buildDeps \\",
+     " \\",
+     " && wget -O ruby.tar.xz [string \"https://cache.ruby-lang.org/pub/ruby/${RUBY_MAJOR%-rc}/ruby-$RUBY_VERSION.tar.xz\"] \\",
+     " && echo [string \"$RUBY_DOWNLOAD_SHA256 *ruby.tar.xz\"] | sha256sum -c - ");
+
+  MT("strings_double_multiline",
+     "[keyword RUN] echo [string \"say \\\" ]\\",
+     "[string   it works\"] ");
+
+  MT("escape",
+     "[comment # escape=`]",
+     "[keyword FROM] microsoft/windowsservercore",
+     "[keyword RUN] powershell.exe -Command `",
+     "    $ErrorActionPreference = [string 'Stop']; `",
+     "    wget https://www.python.org/ftp/python/3.5.1/python-3.5.1.exe -OutFile c:\python-3.5.1.exe ; `",
+     "    Start-Process c:\python-3.5.1.exe -ArgumentList [string '/quiet InstallAllUsers=1 PrependPath=1'] -Wait ; `",
+     "    Remove-Item c:\python-3.5.1.exe -Force)");
+
+  MT("escape_strings",
+     "[comment # escape=`]",
+     "[keyword FROM] python:3.6-windowsservercore [keyword AS] python",
+     "[keyword RUN] $env:PATH = [string 'C:\\Python;C:\\Python\\Scripts;{0}'] -f $env:PATH ; `",
+     // It should not consider \' as escaped.
+     // "  Set-ItemProperty -Path [string 'HKLM:\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment\\'] -Name Path -Value $env:PATH ;");
+     "  Set-ItemProperty -Path [string 'HKLM:\\SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment\\' -Name Path -Value $env:PATH ;]");
+})();
diff --git a/src/external/code-mirror/mode/sass/test.js b/src/external/code-mirror/mode/sass/test.js
new file mode 100644
index 000000000..4ed129093
--- /dev/null
+++ b/src/external/code-mirror/mode/sass/test.js
@@ -0,0 +1,122 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/5/LICENSE
+
+(function() {
+  var mode = CodeMirror.getMode({indentUnit: 2}, "sass");
+  // Since Sass has an indent-based syntax, is almost impossible to test correctly the indentation in all cases.
+  // So disable it for tests.
+  mode.indent = undefined;
+  function MT(name) { test.mode(name, mode, Array.prototype.slice.call(arguments, 1)); }
+
+  MT("comment",
+     "[comment // this is a comment]",
+     "[comment   also this is a comment]")
+
+  MT("comment_multiline",
+     "[comment /* this is a comment]",
+     "[comment   also this is a comment]")
+
+  MT("variable",
+     "[variable-2 $page-width][operator :] [number 800][unit px]")
+
+  MT("global_attributes",
+     "[tag body]",
+     "  [property font][operator :]",
+     "    [property family][operator :] [atom sans-serif]",
+     "    [property size][operator :] [number 30][unit em]",
+     "    [property weight][operator :] [atom bold]")
+
+  MT("scoped_styles",
+     "[builtin #contents]",
+     "  [property width][operator :] [variable-2 $page-width]",
+     "  [builtin #sidebar]",
+     "    [property float][operator :] [atom right]",
+     "    [property width][operator :] [variable-2 $sidebar-width]",
+     "  [builtin #main]",
+     "    [property width][operator :] [variable-2 $page-width] [operator -] [variable-2 $sidebar-width]",
+     "    [property background][operator :] [variable-2 $primary-color]",
+     "    [tag h2]",
+     "      [property color][operator :] [keyword blue]")
+
+  // Sass allows to write the colon as first char instead of a "separator".
+  //   :color red
+  // Not supported
+  // MT("property_syntax",
+  //    "[qualifier .foo]",
+  //    "  [operator :][property color] [keyword red]")
+
+  MT("import",
+     "[def @import] [string \"sass/variables\"]",
+     // Probably it should parsed as above: as a string even without the " or '
+     // "[def @import] [string sass/baz]"
+     "[def @import] [tag sass][operator /][tag baz]")
+
+  MT("def",
+     "[def @if] [variable-2 $foo] [def @else]")
+
+  MT("tag_on_more_lines",
+    "[tag td],",
+    "[tag th]",
+    "  [property font-family][operator :] [string \"Arial\"], [atom serif]")
+
+  MT("important",
+     "[qualifier .foo]",
+     "  [property text-decoration][operator :] [atom none] [keyword !important]",
+     "[tag h1]",
+     "  [property font-size][operator :] [number 2.5][unit em]")
+
+  MT("selector",
+     // SCSS doesn't highlight the :
+     // "[tag h1]:[variable-3 before],",
+     // "[tag h2]:[variable-3 before]",
+     "[tag h1][variable-3 :before],",
+     "[tag h2][variable-3 :before]",
+     "  [property content][operator :] [string \"::\"]")
+
+  MT("definition_mixin_equal",
+     "[variable-2 $defined-bs-type][operator :] [atom border-box] [keyword !default]",
+     "[meta =bs][operator (][variable-2 $bs-type][operator :] [variable-2 $defined-bs-type][operator )]",
+     "  [meta -webkit-][property box-sizing][operator :] [variable-2 $bs-type]",
+     "  [property box-sizing][operator :] [variable-2 $bs-type]")
+
+  MT("definition_mixin_with_space",
+     "[variable-2 $defined-bs-type][operator :] [atom border-box] [keyword !default]",
+     "[def @mixin] [tag bs][operator (][variable-2 $bs-type][operator :] [variable-2 $defined-bs-type][operator )] ",
+     "  [meta -moz-][property box-sizing][operator :] [variable-2 $bs-type]",
+     "  [property box-sizing][operator :] [variable-2 $bs-type]")
+
+  MT("numbers_start_dot_include_plus",
+     // The % is not highlighted correctly
+     // "[meta =button-links][operator (][variable-2 $button-base][operator :] [atom darken][operator (][variable-2 $color11], [number 10][unit %][operator )][operator )]",
+     "[meta =button-links][operator (][variable-2 $button-base][operator :] [atom darken][operator (][variable-2 $color11], [number 10][operator %))]",
+     "  [property padding][operator :] [number .3][unit em] [number .6][unit em]",
+     "  [variable-3 +border-radius][operator (][number 8][unit px][operator )]",
+     "  [property background-color][operator :] [variable-2 $button-base]")
+
+  MT("include",
+     "[qualifier .bar]",
+     "  [def @include] [tag border-radius][operator (][number 8][unit px][operator )]")
+
+  MT("reference_parent",
+     "[qualifier .col]",
+     "  [property clear][operator :] [atom both]",
+     // SCSS doesn't highlight the :
+     // "  &:[variable-3 after]",
+     "  &[variable-3 :after]",
+     "    [property content][operator :] [string '']",
+     "    [property clear][operator :] [atom both]")
+
+  MT("reference_parent_with_spaces",
+     "[tag section]",
+     "  [property border-left][operator :]  [number 20][unit px] [atom transparent] [atom solid] ",
+     "  &[qualifier .section3]",
+     "    [qualifier .title]",
+     "      [property color][operator :] [keyword white] ",
+     "    [qualifier .vermas]",
+     "      [property display][operator :] [atom none]")
+
+  MT("font_face",
+     "[def @font-face]",
+     "  [property font-family][operator :] [string 'icomoon']",
+     "  [property src][operator :] [atom url][operator (][string fonts/icomoon.ttf][operator )]")
+})();
diff --git a/src/external/code-mirror/mode/wast/index.html b/src/external/code-mirror/mode/wast/index.html
new file mode 100644
index 000000000..977dfe8b6
--- /dev/null
+++ b/src/external/code-mirror/mode/wast/index.html
@@ -0,0 +1,73 @@
+<!DOCTYPE html>
+
+<title>CodeMirror: WebAssembly mode</title>
+<meta charset="utf-8" />
+<link rel=stylesheet href="../../doc/docs.css">
+
+<link rel="stylesheet" href="../../lib/codemirror.css">
+<script src="../../lib/codemirror.js"></script>
+<script src="../../addon/mode/simple.js"></script>
+<script src="wast.js"></script>
+<style>
+  .CodeMirror {
+    border-top: 1px solid black;
+    border-bottom: 1px solid black;
+  }
+</style>
+<div id=nav>
+  <a href="https://codemirror.net/5">
+    <h1>CodeMirror</h1><img id=logo src="../../doc/logo.png" alt="">
+  </a>
+
+  <ul>
+    <li><a href="../../index.html">Home</a>
+    <li><a href="../../doc/manual.html">Manual</a>
+    <li><a href="https://github.com/codemirror/codemirror5">Code</a>
+  </ul>
+  <ul>
+    <li><a href="../index.html">Language modes</a>
+    <li><a class=active href="#">WebAssembly</a>
+  </ul>
+</div>
+
+<article>
+  <h2>WebAssembly mode</h2>
+
+
+  <div><textarea id="code" name="code">
+/* Example WebAssembly */
+(module $foo
+ (export "fac" (func $fac))
+ (export "plus" (func $plus))
+
+ (func $fac (type $t0) (param $p0 i64) (result i64)
+    (if $I0 (result i64)
+      (i64.lt_s
+        (local.get $p0)
+        (i64.const 1))
+      (then
+        (i64.const 1))
+      (else
+        (i64.mul
+          (local.get $p0)
+          (call $fac
+            (i64.sub
+              (local.get $p0)
+              (i64.const 1)))))))
+
+ (func $plus (param $x i32) (param $y i32) (result i32)
+  (i32.add
+   (local.get $x)
+   (local.get $y))))</textarea></div>
+
+  <script>
+    var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
+      lineNumbers: true,
+      lineWrapping: true,
+      indentUnit: 4,
+      mode: "wast"
+    });
+  </script>
+
+  <p><strong>MIME types defined:</strong> <code>text/webassembly</code>.</p>
+</article>
diff --git a/src/external/code-mirror/mode/wast/test.js b/src/external/code-mirror/mode/wast/test.js
new file mode 100644
index 000000000..b5f7c7108
--- /dev/null
+++ b/src/external/code-mirror/mode/wast/test.js
@@ -0,0 +1,424 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/5/LICENSE
+
+(function() {
+  var mode = CodeMirror.getMode({indentUnit: 4}, "wast");
+  function MT(name) {test.mode(name, mode, Array.prototype.slice.call(arguments, 1));}
+
+  MT('number-test',
+     '[number 0]',
+     '[number 123]',
+     '[number nan]',
+     '[number inf]',
+     '[number infinity]',
+     '[number 0.1]',
+     '[number 123.0]',
+     '[number 12E+99]');
+
+  MT('string-literals-test',
+     '[string "foo"]',
+     '[string "\\"foo\\""]',
+     '[string "foo #\\"# bar"]');
+
+  MT('atom-test',
+     '[atom funcref]',
+     '[atom externref]',
+     '[atom i32]',
+     '[atom i64]',
+     '[atom f32]',
+     '[atom f64]');
+
+  MT('keyword-test',
+     '[keyword br]',
+     '[keyword if]',
+     '[keyword loop]',
+     '[keyword i32.add]',
+     '[keyword local.get]');
+
+  MT('control-instructions',
+     '[keyword unreachable]',
+     '[keyword nop]',
+     '[keyword br] [variable-2 $label0]',
+     '[keyword br_if] [variable-2 $label0]',
+     '[keyword br_table] [variable-2 $label0] [variable-2 $label1] [variable-2 $label3]',
+     '[keyword return]',
+     '[keyword call] [variable-2 $func0]',
+     '[keyword call_indirect] [variable-2 $table] ([keyword param] [atom f32] [atom f64]) ([keyword result] [atom i32] [atom i64])',
+     '[keyword return_call] [variable-2 $func0]',
+     '[keyword return_call_indirect] ([keyword param] [atom f32] [atom f64]) ([keyword result] [atom i32] [atom i64])',
+     '[keyword select] ([keyword local.get] [number 1]) ([keyword local.get] [number 2]) ([keyword local.get] [number 3])',
+     '[keyword try] ([keyword result] [atom i32])',
+     '[keyword throw] [number 0]',
+     '[keyword rethrow] [number 0]',
+     '[keyword catch] [number 0]',
+     '[keyword catch_all]',
+     '[keyword delegate] [number 0]',
+     '[keyword unwind]');
+
+
+  MT('memory-instructions',
+     '[keyword i32.load] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i32.load8_s] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i32.load8_u] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i32.load16_s] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i32.load16_u] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i32.store] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i32.store8] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i32.store16] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.store] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.load] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.load8_s] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.load8_u] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.load16_s] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.load16_u] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.load32_s] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.load32_u] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.store8] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.store16] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword i64.store32] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword f32.load] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword f32.store] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword f64.load] [keyword offset]=[number 4] [keyword align]=[number 4]',
+     '[keyword f64.store] [keyword offset]=[number 4] [keyword align]=[number 4]');
+
+  MT('atomic-memory-instructions',
+     '[keyword memory.atomic.notify] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword memory.atomic.wait32] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword memory.atomic.wait64] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.load] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.load8_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.load16_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.store] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.store8] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.store16] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.load] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.load8_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.load16_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.load32_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.store] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.store8] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.store16] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.store32] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw.add] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw8.add_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw16.add_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw.add] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw8.add_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw16.add_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw32.add_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw.sub] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw8.sub_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw16.sub_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw.sub] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw8.sub_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw16.sub_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw32.sub_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw.and] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw8.and_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw16.and_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw.and] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw8.and_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw16.and_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw32.and_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw.or] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw8.or_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw16.or_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw.or] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw8.or_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw16.or_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw32.or_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw.xor] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw8.xor_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw16.xor_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw.xor] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw8.xor_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw16.xor_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw32.xor_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw.xchg] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw8.xchg_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw16.xchg_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw.xchg] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw8.xchg_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw16.xchg_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw32.xchg_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw.cmpxchg] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw8.cmpxchg_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i32.atomic.rmw16.cmpxchg_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw.cmpxchg] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw8.cmpxchg_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw16.cmpxchg_u] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword i64.atomic.rmw32.cmpxchg_u] [keyword offset]=[number 32] [keyword align]=[number 4]');
+
+  MT('simd-instructions',
+     '[keyword v128.load] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword v128.load8x8_s] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.load8x8_u] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.load16x4_s] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.load16x4_u] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.load32x2_s] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.load32x2_u] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.load8_splat] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.load16_splat] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.load32_splat] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.load64_splat] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.store] [keyword offset]=[number 32] [keyword align]=[number 4]',
+     '[keyword v128.const] [number 0] [number 1] [number 2] [number 3] [number 4] [number 5] [number 6] [number 7] [number 8] [number 9] [number 10] [number 11] [number 12] [number 13] [number 14] [number 15]',
+     '[keyword i8x16.shuffle] [number 0] [number 1] [number 2] [number 3] [number 4] [number 5] [number 6] [number 7] [number 8] [number 9] [number 10] [number 11] [number 12] [number 13] [number 14] [number 15]',
+     '[keyword i8x16.swizzle]',
+     '[keyword i8x16.splat]',
+     '[keyword i16x8.splat]',
+     '[keyword i32x4.splat]',
+     '[keyword i64x2.splat]',
+     '[keyword f32x4.splat]',
+     '[keyword f64x2.splat]',
+     '[keyword i8x16.extract_lane_s] [number 1]',
+     '[keyword i8x16.extract_lane_u] [number 1]',
+     '[keyword i8x16.replace_lane] [number 1]',
+     '[keyword i16x8.extract_lane_s] [number 1]',
+     '[keyword i16x8.extract_lane_u] [number 1]',
+     '[keyword i16x8.replace_lane] [number 1]',
+     '[keyword i32x4.extract_lane] [number 1]',
+     '[keyword i32x4.replace_lane] [number 1]',
+     '[keyword i64x2.extract_lane] [number 1]',
+     '[keyword i64x2.replace_lane] [number 1]',
+     '[keyword f32x4.extract_lane] [number 1]',
+     '[keyword f32x4.replace_lane] [number 1]',
+     '[keyword f64x2.extract_lane] [number 1]',
+     '[keyword f64x2.replace_lane] [number 1]',
+     '[keyword i8x16.eq]',
+     '[keyword i8x16.ne]',
+     '[keyword i8x16.lt_s]',
+     '[keyword i8x16.lt_u]',
+     '[keyword i8x16.gt_s]',
+     '[keyword i8x16.gt_u]',
+     '[keyword i8x16.le_s]',
+     '[keyword i8x16.le_u]',
+     '[keyword i8x16.ge_s]',
+     '[keyword i8x16.ge_u]',
+     '[keyword i16x8.eq]',
+     '[keyword i16x8.ne]',
+     '[keyword i16x8.lt_s]',
+     '[keyword i16x8.lt_u]',
+     '[keyword i16x8.gt_s]',
+     '[keyword i16x8.gt_u]',
+     '[keyword i16x8.le_s]',
+     '[keyword i16x8.le_u]',
+     '[keyword i16x8.ge_s]',
+     '[keyword i16x8.ge_u]',
+     '[keyword i32x4.eq]',
+     '[keyword i32x4.ne]',
+     '[keyword i32x4.lt_s]',
+     '[keyword i32x4.lt_u]',
+     '[keyword i32x4.gt_s]',
+     '[keyword i32x4.gt_u]',
+     '[keyword i32x4.le_s]',
+     '[keyword i32x4.le_u]',
+     '[keyword i32x4.ge_s]',
+     '[keyword i32x4.ge_u]',
+     '[keyword f32x4.eq]',
+     '[keyword f32x4.ne]',
+     '[keyword f32x4.lt]',
+     '[keyword f32x4.gt]',
+     '[keyword f32x4.le]',
+     '[keyword f32x4.ge]',
+     '[keyword f64x2.eq]',
+     '[keyword f64x2.ne]',
+     '[keyword f64x2.lt]',
+     '[keyword f64x2.gt]',
+     '[keyword f64x2.le]',
+     '[keyword f64x2.ge]',
+     '[keyword v128.not]',
+     '[keyword v128.and]',
+     '[keyword v128.andnot]',
+     '[keyword v128.or]',
+     '[keyword v128.xor]',
+     '[keyword v128.bitselect]',
+     '[keyword v128.any_true]',
+     '[keyword v128.load8_lane] [keyword offset]=[number 64] [keyword align]=[number 0] [number 1]',
+     '[keyword v128.load16_lane] [keyword offset]=[number 64] [keyword align]=[number 0] [number 1]',
+     '[keyword v128.load32_lane] [keyword offset]=[number 64] [keyword align]=[number 0] [number 1]',
+     '[keyword v128.load64_lane] [keyword offset]=[number 64] [keyword align]=[number 0] [number 1]',
+     '[keyword v128.store8_lane] [keyword offset]=[number 64] [keyword align]=[number 0] [number 1]',
+     '[keyword v128.store16_lane] [keyword offset]=[number 64] [keyword align]=[number 0] [number 1]',
+     '[keyword v128.store32_lane] [keyword offset]=[number 64] [keyword align]=[number 0] [number 1]',
+     '[keyword v128.store64_lane] [keyword offset]=[number 64] [keyword align]=[number 0] [number 1]',
+     '[keyword v128.load32_zero] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword v128.load64_zero] [keyword offset]=[number 64] [keyword align]=[number 0]',
+     '[keyword f32x4.demote_f64x2_zero]',
+     '[keyword f64x2.promote_low_f32x4]',
+     '[keyword i8x16.abs]',
+     '[keyword i8x16.neg]',
+     '[keyword i8x16.popcnt]',
+     '[keyword i8x16.all_true]',
+     '[keyword i8x16.bitmask]',
+     '[keyword i8x16.narrow_i16x8_s]',
+     '[keyword i8x16.narrow_i16x8_u]',
+     '[keyword f32x4.ceil]',
+     '[keyword f32x4.floor]',
+     '[keyword f32x4.trunc]',
+     '[keyword f32x4.nearest]',
+     '[keyword i8x16.shl]',
+     '[keyword i8x16.shr_s]',
+     '[keyword i8x16.shr_u]',
+     '[keyword i8x16.add]',
+     '[keyword i8x16.add_sat_s]',
+     '[keyword i8x16.add_sat_u]',
+     '[keyword i8x16.sub]',
+     '[keyword i8x16.sub_sat_s]',
+     '[keyword i8x16.sub_sat_u]',
+     '[keyword f64x2.ceil]',
+     '[keyword f64x2.floor]',
+     '[keyword i8x16.min_s]',
+     '[keyword i8x16.min_u]',
+     '[keyword i8x16.max_s]',
+     '[keyword i8x16.max_u]',
+     '[keyword f64x2.trunc]',
+     '[keyword i8x16.avgr_u]',
+     '[keyword i16x8.extadd_pairwise_i8x16_s]',
+     '[keyword i16x8.extadd_pairwise_i8x16_u]',
+     '[keyword i32x4.extadd_pairwise_i16x8_s]',
+     '[keyword i32x4.extadd_pairwise_i16x8_u]',
+     '[keyword i16x8.abs]',
+     '[keyword i16x8.neg]',
+     '[keyword i16x8.q15mulr_sat_s]',
+     '[keyword i16x8.all_true]',
+     '[keyword i16x8.bitmask]',
+     '[keyword i16x8.narrow_i32x4_s]',
+     '[keyword i16x8.narrow_i32x4_u]',
+     '[keyword i16x8.extend_low_i8x16_s]',
+     '[keyword i16x8.extend_high_i8x16_s]',
+     '[keyword i16x8.extend_low_i8x16_u]',
+     '[keyword i16x8.extend_high_i8x16_u]',
+     '[keyword i16x8.shl]',
+     '[keyword i16x8.shr_s]',
+     '[keyword i16x8.shr_u]',
+     '[keyword i16x8.add]',
+     '[keyword i16x8.add_sat_s]',
+     '[keyword i16x8.add_sat_u]',
+     '[keyword i16x8.sub]',
+     '[keyword i16x8.sub_sat_s]',
+     '[keyword i16x8.sub_sat_u]',
+     '[keyword f64x2.nearest]',
+     '[keyword i16x8.mul]',
+     '[keyword i16x8.min_s]',
+     '[keyword i16x8.min_u]',
+     '[keyword i16x8.max_s]',
+     '[keyword i16x8.max_u]',
+     '[keyword i16x8.avgr_u]',
+     '[keyword i16x8.extmul_low_i8x16_s]',
+     '[keyword i16x8.extmul_high_i8x16_s]',
+     '[keyword i16x8.extmul_low_i8x16_u]',
+     '[keyword i16x8.extmul_high_i8x16_u]',
+     '[keyword i32x4.abs]',
+     '[keyword i32x4.neg]',
+     '[keyword i32x4.all_true]',
+     '[keyword i32x4.bitmask]',
+     '[keyword i32x4.extend_low_i16x8_s]',
+     '[keyword i32x4.extend_high_i16x8_s]',
+     '[keyword i32x4.extend_low_i16x8_u]',
+     '[keyword i32x4.extend_high_i16x8_u]',
+     '[keyword i32x4.shl]',
+     '[keyword i32x4.shr_s]',
+     '[keyword i32x4.shr_u]',
+     '[keyword i32x4.add]',
+     '[keyword i32x4.sub]',
+     '[keyword i32x4.mul]',
+     '[keyword i32x4.min_s]',
+     '[keyword i32x4.min_u]',
+     '[keyword i32x4.max_s]',
+     '[keyword i32x4.max_u]',
+     '[keyword i32x4.dot_i16x8_s]',
+     '[keyword i32x4.extmul_low_i16x8_s]',
+     '[keyword i32x4.extmul_high_i16x8_s]',
+     '[keyword i32x4.extmul_low_i16x8_u]',
+     '[keyword i32x4.extmul_high_i16x8_u]',
+     '[keyword i64x2.abs]',
+     '[keyword i64x2.neg]',
+     '[keyword i64x2.all_true]',
+     '[keyword i64x2.bitmask]',
+     '[keyword i64x2.extend_low_i32x4_s]',
+     '[keyword i64x2.extend_high_i32x4_s]',
+     '[keyword i64x2.extend_low_i32x4_u]',
+     '[keyword i64x2.extend_high_i32x4_u]',
+     '[keyword i64x2.shl]',
+     '[keyword i64x2.shr_s]',
+     '[keyword i64x2.shr_u]',
+     '[keyword i64x2.add]',
+     '[keyword i64x2.sub]',
+     '[keyword i64x2.mul]',
+     '[keyword i64x2.eq]',
+     '[keyword i64x2.ne]',
+     '[keyword i64x2.lt_s]',
+     '[keyword i64x2.gt_s]',
+     '[keyword i64x2.le_s]',
+     '[keyword i64x2.ge_s]',
+     '[keyword i64x2.extmul_low_i32x4_s]',
+     '[keyword i64x2.extmul_high_i32x4_s]',
+     '[keyword i64x2.extmul_low_i32x4_u]',
+     '[keyword i64x2.extmul_high_i32x4_u]',
+     '[keyword f32x4.abs]',
+     '[keyword f32x4.neg]',
+     '[keyword f32x4.sqrt]',
+     '[keyword f32x4.add]',
+     '[keyword f32x4.sub]',
+     '[keyword f32x4.mul]',
+     '[keyword f32x4.div]',
+     '[keyword f32x4.min]',
+     '[keyword f32x4.max]',
+     '[keyword f64x2.abs]',
+     '[keyword f64x2.neg]',
+     '[keyword f64x2.sqrt]',
+     '[keyword f64x2.add]',
+     '[keyword f64x2.sub]',
+     '[keyword f64x2.mul]',
+     '[keyword f64x2.div]',
+     '[keyword f64x2.min]',
+     '[keyword f64x2.max]',
+     '[keyword i32x4.trunc_sat_f32x4_s]',
+     '[keyword i32x4.trunc_sat_f32x4_u]',
+     '[keyword f32x4.convert_i32x4_s]',
+     '[keyword f32x4.convert_i32x4_u]',
+     '[keyword i32x4.trunc_sat_f64x2_s_zero]',
+     '[keyword i32x4.trunc_sat_f64x2_u_zero]',
+     '[keyword f64x2.convert_low_i32x4_s]',
+     '[keyword f64x2.convert_low_i32x4_u]');
+
+     MT('reference-type-instructions',
+     '[keyword ref.null] [keyword extern]',
+     '[keyword ref.null] [keyword func]',
+     '[keyword ref.is_null] ([keyword ref.func] [variable-2 $f])',
+     '[keyword ref.func] [variable-2 $f]');
+
+     MT('table-instructions',
+     '[keyword table.get] [variable-2 $t] ([keyword i32.const] [number 5])',
+     '[keyword table.set] [variable-2 $t] ([keyword i32.const] [number 5]) ([keyword ref.func] [variable-2 $f])',
+     '[keyword table.size] [variable-2 $t]',
+     '[keyword table.grow] [variable-2 $t] ([keyword ref.null] [keyword extern]) ([keyword i32.const] [number 5])',
+     '[keyword table.fill] [variable-2 $t] ([keyword i32.const] [number 5]) ([keyword param] [variable-2 $r] [atom externref]) ([keyword i32.const] [number 5])',
+     '[keyword table.init] [variable-2 $t] [number 1] ([keyword i32.const] [number 5]) ([keyword i32.const] [number 10]) ([keyword i32.const] [number 15])',
+     '[keyword table.copy] [variable-2 $t] [variable-2 $t2] ([keyword i32.const] [number 5]) ([keyword i32.const] [number 10]) ([keyword i32.const] [number 15])'
+     );
+     MT('gc-proposal',
+     '[keyword call_ref] [keyword return_call_ref]',
+     '[keyword ref.as_non_null] [keyword br_on_null] [keyword ref.eq]');
+     MT('gc-proposal-structs',
+     '[keyword struct.new_with_rtt] [keyword struct.new_default_with_rtt]',
+     '[keyword struct.get] [keyword struct.get_s] [keyword struct.get_u]',
+     '[keyword struct.set]');
+     MT('gc-proposal-arrays',
+     '[keyword array.new_with_rtt] [keyword array.new_default_with_rtt]',
+     '[keyword array.get] [keyword array.get_s] [keyword array.get_u]',
+     '[keyword array.len] [keyword array.set]');
+     MT('gc-proposal-i31',
+     '[keyword i31.new] [keyword i31.get_s] [keyword i31.get_u]');
+     MT('gc-proposal-rtt',
+     '[keyword rtt.canon] [keyword rtt.sub]');
+     MT('gc-proposal-typechecks',
+     '[keyword ref.test] [keyword ref.cast] [keyword br_on_cast]',
+     '[keyword ref.is_func] [keyword ref.is_data] [keyword ref.is_i31]',
+     '[keyword ref.as_func] [keyword ref.as_data] [keyword ref.as_i31]',
+     '[keyword br_on_func] [keyword br_on_data] [keyword br_on_i31]');
+     MT('gc-proposal-types',
+     '[atom i8] [atom i16]',
+     '[atom anyref] [atom dataref] [atom eqref] [atom i31ref]');
+})();
diff --git a/src/external/code-mirror/mode/wast/wast.js b/src/external/code-mirror/mode/wast/wast.js
new file mode 100644
index 000000000..0a0af853d
--- /dev/null
+++ b/src/external/code-mirror/mode/wast/wast.js
@@ -0,0 +1,132 @@
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/5/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"), require("../../addon/mode/simple"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror", "../../addon/mode/simple"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+var kKeywords = [
+    "align",
+    "block",
+    "br(_if|_table|_on_(cast|data|func|i31|null))?",
+    "call(_indirect|_ref)?",
+    "current_memory",
+    "\\bdata\\b",
+    "catch(_all)?",
+    "delegate",
+    "drop",
+    "elem",
+    "else",
+    "end",
+    "export",
+    "\\bextern\\b",
+    "\\bfunc\\b",
+    "global(\\.(get|set))?",
+    "if",
+    "import",
+    "local(\\.(get|set|tee))?",
+    "loop",
+    "module",
+    "mut",
+    "nop",
+    "offset",
+    "param",
+    "result",
+    "rethrow",
+    "return(_call(_indirect|_ref)?)?",
+    "select",
+    "start",
+    "table(\\.(size|get|set|size|grow|fill|init|copy))?",
+    "then",
+    "throw",
+    "try",
+    "type",
+    "unreachable",
+    "unwind",
+
+    // Numeric opcodes.
+    "i(32|64)\\.(store(8|16)|(load(8|16)_[su]))",
+    "i64\\.(load32_[su]|store32)",
+    "[fi](32|64)\\.(const|load|store)",
+    "f(32|64)\\.(abs|add|ceil|copysign|div|eq|floor|[gl][et]|max|min|mul|nearest|neg?|sqrt|sub|trunc)",
+    "i(32|64)\\.(a[dn]d|c[lt]z|(div|rem)_[su]|eqz?|[gl][te]_[su]|mul|ne|popcnt|rot[lr]|sh(l|r_[su])|sub|x?or)",
+    "i64\\.extend_[su]_i32",
+    "i32\\.wrap_i64",
+    "i(32|64)\\.trunc_f(32|64)_[su]",
+    "f(32|64)\\.convert_i(32|64)_[su]",
+    "f64\\.promote_f32",
+    "f32\\.demote_f64",
+    "f32\\.reinterpret_i32",
+    "i32\\.reinterpret_f32",
+    "f64\\.reinterpret_i64",
+    "i64\\.reinterpret_f64",
+    // Atomics.
+    "memory(\\.((atomic\\.(notify|wait(32|64)))|grow|size))?",
+    "i64\.atomic\\.(load32_u|store32|rmw32\\.(a[dn]d|sub|x?or|(cmp)?xchg)_u)",
+    "i(32|64)\\.atomic\\.(load((8|16)_u)?|store(8|16)?|rmw(\\.(a[dn]d|sub|x?or|(cmp)?xchg)|(8|16)\\.(a[dn]d|sub|x?or|(cmp)?xchg)_u))",
+    // SIMD.
+    "v128\\.load(8x8|16x4|32x2)_[su]",
+    "v128\\.load(8|16|32|64)_splat",
+    "v128\\.(load|store)(8|16|32|64)_lane",
+    "v128\\.load(32|64)_zero",
+    "v128\.(load|store|const|not|andnot|and|or|xor|bitselect|any_true)",
+    "i(8x16|16x8)\\.(extract_lane_[su]|(add|sub)_sat_[su]|avgr_u)",
+    "i(8x16|16x8|32x4|64x2)\\.(neg|add|sub|abs|shl|shr_[su]|all_true|bitmask|eq|ne|[lg][te]_s)",
+    "(i(8x16|16x8|32x4|64x2)|f(32x4|64x2))\.(splat|replace_lane)",
+    "i(8x16|16x8|32x4)\\.(([lg][te]_u)|((min|max)_[su]))",
+    "f(32x4|64x2)\\.(neg|add|sub|abs|nearest|eq|ne|[lg][te]|sqrt|mul|div|min|max|ceil|floor|trunc)",
+    "[fi](32x4|64x2)\\.extract_lane",
+    "i8x16\\.(shuffle|swizzle|popcnt|narrow_i16x8_[su])",
+    "i16x8\\.(narrow_i32x4_[su]|mul|extadd_pairwise_i8x16_[su]|q15mulr_sat_s)",
+    "i16x8\\.(extend|extmul)_(low|high)_i8x16_[su]",
+    "i32x4\\.(mul|dot_i16x8_s|trunc_sat_f64x2_[su]_zero)",
+    "i32x4\\.((extend|extmul)_(low|high)_i16x8_|trunc_sat_f32x4_|extadd_pairwise_i16x8_)[su]",
+    "i64x2\\.(mul|(extend|extmul)_(low|high)_i32x4_[su])",
+    "f32x4\\.(convert_i32x4_[su]|demote_f64x2_zero)",
+    "f64x2\\.(promote_low_f32x4|convert_low_i32x4_[su])",
+    // Reference types, function references, and GC.
+    "\\bany\\b",
+    "array\\.len",
+    "(array|struct)(\\.(new_(default_)?with_rtt|get(_[su])?|set))?",
+    "\\beq\\b",
+    "field",
+    "i31\\.(new|get_[su])",
+    "\\bnull\\b",
+    "ref(\\.(([ai]s_(data|func|i31))|cast|eq|func|(is_|as_non_)?null|test))?",
+    "rtt(\\.(canon|sub))?",
+];
+
+CodeMirror.defineSimpleMode('wast', {
+  start: [
+    {regex: /[+\-]?(?:nan(?::0x[0-9a-fA-F]+)?|infinity|inf|0x[0-9a-fA-F]+\.?[0-9a-fA-F]*p[+\/-]?\d+|\d+(?:\.\d*)?[eE][+\-]?\d*|\d+\.\d*|0x[0-9a-fA-F]+|\d+)/, token: "number"},
+    {regex: new RegExp(kKeywords.join('|')), token: "keyword"},
+    {regex: /\b((any|data|eq|extern|i31|func)ref|[fi](32|64)|i(8|16))\b/, token: "atom"},
+    {regex: /\$([a-zA-Z0-9_`\+\-\*\/\\\^~=<>!\?@#$%&|:\.]+)/, token: "variable-2"},
+    {regex: /"(?:[^"\\\x00-\x1f\x7f]|\\[nt\\'"]|\\[0-9a-fA-F][0-9a-fA-F])*"/, token: "string"},
+    {regex: /\(;.*?/, token: "comment", next: "comment"},
+    {regex: /;;.*$/, token: "comment"},
+    {regex: /\(/, indent: true},
+    {regex: /\)/, dedent: true},
+  ],
+
+  comment: [
+    {regex: /.*?;\)/, token: "comment", next: "start"},
+    {regex: /.*/, token: "comment"},
+  ],
+
+  meta: {
+    dontIndentStates: ['comment'],
+  },
+});
+
+// https://github.com/WebAssembly/design/issues/981 mentions text/webassembly,
+// which seems like a reasonable choice, although it's not standard right now.
+CodeMirror.defineMIME("text/webassembly", "wast");
+
+});
diff --git a/src/external/code-mirror/src/addon/runmode/codemirror-standalone.js b/src/external/code-mirror/src/addon/runmode/codemirror-standalone.js
new file mode 100644
index 000000000..f13f32b2f
--- /dev/null
+++ b/src/external/code-mirror/src/addon/runmode/codemirror-standalone.js
@@ -0,0 +1,24 @@
+import StringStream from "../../util/StringStream.js"
+import { countColumn } from "../../util/misc.js"
+import * as modeMethods from "../../modes.js"
+
+// declare global: globalThis, CodeMirror
+
+// Create a minimal CodeMirror needed to use runMode, and assign to root.
+var root = typeof globalThis !== 'undefined' ? globalThis : window
+root.CodeMirror = {}
+
+// Copy StringStream and mode methods into CodeMirror object.
+CodeMirror.StringStream = StringStream
+for (var exported in modeMethods) CodeMirror[exported] = modeMethods[exported]
+
+// Minimal default mode.
+CodeMirror.defineMode("null", () => ({token: stream => stream.skipToEnd()}))
+CodeMirror.defineMIME("text/plain", "null")
+
+CodeMirror.registerHelper = CodeMirror.registerGlobalHelper = Math.min
+CodeMirror.splitLines = function(string) { return string.split(/\r?\n|\r/) }
+CodeMirror.countColumn = countColumn
+
+CodeMirror.defaults = { indentUnit: 2 }
+export default CodeMirror
diff --git a/src/external/code-mirror/src/addon/runmode/codemirror.node.js b/src/external/code-mirror/src/addon/runmode/codemirror.node.js
new file mode 100644
index 000000000..58efc5286
--- /dev/null
+++ b/src/external/code-mirror/src/addon/runmode/codemirror.node.js
@@ -0,0 +1,21 @@
+import StringStream from "../../util/StringStream.js"
+import * as modeMethods from "../../modes.js"
+import {countColumn} from "../../util/misc.js"
+
+// Copy StringStream and mode methods into exports (CodeMirror) object.
+exports.StringStream = StringStream
+exports.countColumn = countColumn
+for (var exported in modeMethods) exports[exported] = modeMethods[exported]
+
+// Shim library CodeMirror with the minimal CodeMirror defined above.
+require.cache[require.resolve("../../lib/codemirror")] = require.cache[require.resolve("./runmode.node")]
+require.cache[require.resolve("../../addon/runmode/runmode")] = require.cache[require.resolve("./runmode.node")]
+
+// Minimal default mode.
+exports.defineMode("null", () => ({token: stream => stream.skipToEnd()}))
+exports.defineMIME("text/plain", "null")
+
+exports.registerHelper = exports.registerGlobalHelper = Math.min
+exports.splitLines = function(string) { return string.split(/\r?\n|\r/) }
+
+exports.defaults = { indentUnit: 2 }
diff --git a/src/external/code-mirror/src/addon/runmode/runmode-standalone.js b/src/external/code-mirror/src/addon/runmode/runmode-standalone.js
new file mode 100644
index 000000000..0d7aa6bb2
--- /dev/null
+++ b/src/external/code-mirror/src/addon/runmode/runmode-standalone.js
@@ -0,0 +1,2 @@
+import "./codemirror-standalone.js"
+import "../../../addon/runmode/runmode.js"
\ No newline at end of file
diff --git a/src/external/code-mirror/src/addon/runmode/runmode.node.js b/src/external/code-mirror/src/addon/runmode/runmode.node.js
new file mode 100644
index 000000000..4f2ed817f
--- /dev/null
+++ b/src/external/code-mirror/src/addon/runmode/runmode.node.js
@@ -0,0 +1,2 @@
+import "./codemirror.node.js"
+import "../../../addon/runmode/runmode.js"
\ No newline at end of file
diff --git a/src/external/code-mirror/src/input/movement.js b/src/external/code-mirror/src/input/movement.js
new file mode 100644
index 000000000..479f221f9
--- /dev/null
+++ b/src/external/code-mirror/src/input/movement.js
@@ -0,0 +1,111 @@
+import { Pos } from "../line/pos.js"
+import { prepareMeasureForLine, measureCharPrepared, wrappedLineExtentChar } from "../measurement/position_measurement.js"
+import { getBidiPartAt, getOrder } from "../util/bidi.js"
+import { findFirst, lst, skipExtendingChars } from "../util/misc.js"
+
+function moveCharLogically(line, ch, dir) {
+  let target = skipExtendingChars(line.text, ch + dir, dir)
+  return target < 0 || target > line.text.length ? null : target
+}
+
+export function moveLogically(line, start, dir) {
+  let ch = moveCharLogically(line, start.ch, dir)
+  return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")
+}
+
+export function endOfLine(visually, cm, lineObj, lineNo, dir) {
+  if (visually) {
+    if (cm.doc.direction == "rtl") dir = -dir
+    let order = getOrder(lineObj, cm.doc.direction)
+    if (order) {
+      let part = dir < 0 ? lst(order) : order[0]
+      let moveInStorageOrder = (dir < 0) == (part.level == 1)
+      let sticky = moveInStorageOrder ? "after" : "before"
+      let ch
+      // With a wrapped rtl chunk (possibly spanning multiple bidi parts),
+      // it could be that the last bidi part is not on the last visual line,
+      // since visual lines contain content order-consecutive chunks.
+      // Thus, in rtl, we are looking for the first (content-order) character
+      // in the rtl chunk that is on the last line (that is, the same line
+      // as the last (content-order) character).
+      if (part.level > 0 || cm.doc.direction == "rtl") {
+        let prep = prepareMeasureForLine(cm, lineObj)
+        ch = dir < 0 ? lineObj.text.length - 1 : 0
+        let targetTop = measureCharPrepared(cm, prep, ch).top
+        ch = findFirst(ch => measureCharPrepared(cm, prep, ch).top == targetTop, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch)
+        if (sticky == "before") ch = moveCharLogically(lineObj, ch, 1)
+      } else ch = dir < 0 ? part.to : part.from
+      return new Pos(lineNo, ch, sticky)
+    }
+  }
+  return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")
+}
+
+export function moveVisually(cm, line, start, dir) {
+  let bidi = getOrder(line, cm.doc.direction)
+  if (!bidi) return moveLogically(line, start, dir)
+  if (start.ch >= line.text.length) {
+    start.ch = line.text.length
+    start.sticky = "before"
+  } else if (start.ch <= 0) {
+    start.ch = 0
+    start.sticky = "after"
+  }
+  let partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos]
+  if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
+    // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,
+    // nothing interesting happens.
+    return moveLogically(line, start, dir)
+  }
+
+  let mv = (pos, dir) => moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir)
+  let prep
+  let getWrappedLineExtent = ch => {
+    if (!cm.options.lineWrapping) return {begin: 0, end: line.text.length}
+    prep = prep || prepareMeasureForLine(cm, line)
+    return wrappedLineExtentChar(cm, line, prep, ch)
+  }
+  let wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch)
+
+  if (cm.doc.direction == "rtl" || part.level == 1) {
+    let moveInStorageOrder = (part.level == 1) == (dir < 0)
+    let ch = mv(start, moveInStorageOrder ? 1 : -1)
+    if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {
+      // Case 2: We move within an rtl part or in an rtl editor on the same visual line
+      let sticky = moveInStorageOrder ? "before" : "after"
+      return new Pos(start.line, ch, sticky)
+    }
+  }
+
+  // Case 3: Could not move within this bidi part in this visual line, so leave
+  // the current bidi part
+
+  let searchInVisualLine = (partPos, dir, wrappedLineExtent) => {
+    let getRes = (ch, moveInStorageOrder) => moveInStorageOrder
+      ? new Pos(start.line, mv(ch, 1), "before")
+      : new Pos(start.line, ch, "after")
+
+    for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {
+      let part = bidi[partPos]
+      let moveInStorageOrder = (dir > 0) == (part.level != 1)
+      let ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1)
+      if (part.from <= ch && ch < part.to) return getRes(ch, moveInStorageOrder)
+      ch = moveInStorageOrder ? part.from : mv(part.to, -1)
+      if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) return getRes(ch, moveInStorageOrder)
+    }
+  }
+
+  // Case 3a: Look for other bidi parts on the same visual line
+  let res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent)
+  if (res) return res
+
+  // Case 3b: Look for other bidi parts on the next visual line
+  let nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1)
+  if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {
+    res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh))
+    if (res) return res
+  }
+
+  // Case 4: Nowhere to move
+  return null
+}
diff --git a/src/external/code-mirror/theme/abbott.css b/src/external/code-mirror/theme/abbott.css
new file mode 100644
index 000000000..3e516a67f
--- /dev/null
+++ b/src/external/code-mirror/theme/abbott.css
@@ -0,0 +1,268 @@
+/*
+ * abbott.css
+ * A warm, dark theme for prose and code, with pastels and pretty greens.
+ *
+ * Ported from abbott.vim (https://github.com/bcat/abbott.vim) version 2.1.
+ * Original design and CodeMirror port by Jonathan Rascher.
+ *
+ * This theme shares the following color palette with the Vim color scheme.
+ *
+ * Brown shades:
+ *   bistre: #231c14
+ *   chocolate: #3c3022
+ *   cocoa: #745d42
+ *   vanilla_cream: #fef3b4
+ *
+ * Red shades:
+ *   crimson: #d80450
+ *   cinnabar: #f63f05
+ *
+ * Green shades:
+ *   dark_olive: #273900
+ *   forest_green: #24a507
+ *   chartreuse: #a0ea00
+ *   pastel_chartreuse: #d8ff84
+ *
+ * Yellow shades:
+ *   marigold: #fbb32f
+ *   lemon_meringue: #fbec5d
+ *
+ * Blue shades:
+ *   cornflower_blue: #3f91f1
+ *   periwinkle_blue: #8ccdf0
+ *
+ * Magenta shades:
+ *   french_pink: #ec6c99
+ *   lavender: #e6a2f3
+ *
+ * Cyan shades:
+ *   zomp: #39a78d
+ *   seafoam_green: #00ff7f
+ */
+
+/* Style the UI: */
+
+/* Equivalent to Vim's Normal group. */
+.cm-s-abbott.CodeMirror {
+  background: #231c14 /* bistre */;
+  color: #d8ff84 /* pastel_chartreuse */;
+}
+
+/* Roughly equivalent to Vim's LineNr group. */
+.cm-s-abbott .CodeMirror-gutters {
+  background: #231c14 /* bistre */;
+  border: none;
+}
+.cm-s-abbott .CodeMirror-linenumber { color: #fbec5d /* lemon_meringue */; }
+
+.cm-s-abbott .CodeMirror-guttermarker { color: #f63f05 /* cinnabar */; }
+
+/* Roughly equivalent to Vim's FoldColumn group. */
+.cm-s-abbott .CodeMirror-guttermarker-subtle { color: #fbb32f /* marigold */; }
+
+/*
+ * Roughly equivalent to Vim's CursorColumn group. (We use a brighter color
+ * since Vim's cursorcolumn option highlights a whole column, whereas
+ * CodeMirror's rule just highlights a thin line.)
+ */
+.cm-s-abbott .CodeMirror-ruler { border-color: #745d42 /* cocoa */; }
+
+/* Equivalent to Vim's Cursor group in insert mode. */
+.cm-s-abbott .CodeMirror-cursor { border-color: #a0ea00 /* chartreuse */; }
+
+/* Equivalent to Vim's Cursor group in normal mode. */
+.cm-s-abbott.cm-fat-cursor .CodeMirror-cursor,
+.cm-s-abbott .cm-animate-fat-cursor {
+  /*
+   * CodeMirror doesn't allow changing the foreground color of the character
+   * under the cursor, so we can't use a reverse video effect for the cursor.
+   * Instead, make it semitransparent.
+   */
+  background: rgba(160, 234, 0, 0.5) /* chartreuse */;
+}
+.cm-s-abbott.cm-fat-cursor .CodeMirror-cursors {
+  /*
+   * Boost the z-index so the fat cursor shows up on top of text and
+   * matchingbracket/matchingtag highlights.
+   */
+  z-index: 3;
+}
+
+/* Equivalent to Vim's Cursor group in replace mode. */
+.cm-s-abbott .CodeMirror-overwrite .CodeMirror-cursor {
+  border-bottom: 1px solid #a0ea00 /* chartreuse */;
+  border-left: none;
+  width: auto;
+}
+
+/* Roughly equivalent to Vim's CursorIM group. */
+.cm-s-abbott .CodeMirror-secondarycursor {
+  border-color: #00ff7f /* seafoam_green */;
+}
+
+/* Roughly equivalent to Vim's Visual group. */
+.cm-s-abbott .CodeMirror-selected,
+.cm-s-abbott.CodeMirror-focused .CodeMirror-selected {
+  background: #273900 /* dark_olive */;
+}
+.cm-s-abbott .CodeMirror-line::selection,
+.cm-s-abbott .CodeMirror-line > span::selection,
+.cm-s-abbott .CodeMirror-line > span > span::selection {
+  background: #273900 /* dark_olive */;
+}
+.cm-s-abbott .CodeMirror-line::-moz-selection,
+.cm-s-abbott .CodeMirror-line > span::-moz-selection,
+.cm-s-abbott .CodeMirror-line > span > span::-moz-selection {
+  background: #273900 /* dark_olive */;
+}
+
+/* Roughly equivalent to Vim's SpecialKey group. */
+.cm-s-abbott .cm-tab { color: #00ff7f /* seafoam_green */; }
+
+/* Equivalent to Vim's Search group. */
+.cm-s-abbott .cm-searching {
+  background: #fef3b4 /* vanilla_cream */ !important;
+  color: #231c14 /* bistre */ !important;
+}
+
+/* Style syntax highlighting modes: */
+
+/* Equivalent to Vim's Comment group. */
+.cm-s-abbott span.cm-comment {
+  color: #fbb32f /* marigold */;
+  font-style: italic;
+}
+
+/* Equivalent to Vim's String group. */
+.cm-s-abbott span.cm-string,
+.cm-s-abbott span.cm-string-2 {
+  color: #e6a2f3 /* lavender */;
+}
+
+/* Equivalent to Vim's Constant group. */
+.cm-s-abbott span.cm-number,
+.cm-s-abbott span.cm-string.cm-url { color: #f63f05 /* cinnabar */; }
+
+/* Roughly equivalent to Vim's SpecialKey group. */
+.cm-s-abbott span.cm-invalidchar { color: #00ff7f /* seafoam_green */; }
+
+/* Equivalent to Vim's Special group. */
+.cm-s-abbott span.cm-atom { color: #fef3b4 /* vanilla_cream */; }
+
+/* Equivalent to Vim's Delimiter group. */
+.cm-s-abbott span.cm-bracket,
+.cm-s-abbott span.cm-punctuation {
+  color: #fef3b4 /* vanilla_cream */;
+}
+
+/* Equivalent Vim's Operator group. */
+.cm-s-abbott span.cm-operator { font-weight: bold; }
+
+/* Roughly equivalent to Vim's Identifier group. */
+.cm-s-abbott span.cm-def,
+.cm-s-abbott span.cm-variable,
+.cm-s-abbott span.cm-variable-2,
+.cm-s-abbott span.cm-variable-3 {
+  color: #8ccdf0 /* periwinkle_blue */;
+}
+
+/* Roughly equivalent to Vim's Function group. */
+.cm-s-abbott span.cm-builtin,
+.cm-s-abbott span.cm-property,
+.cm-s-abbott span.cm-qualifier {
+  color: #3f91f1 /* cornflower_blue */;
+}
+
+/* Equivalent to Vim's Type group. */
+.cm-s-abbott span.cm-type { color: #24a507 /* forest_green */; }
+
+/* Equivalent to Vim's Keyword group. */
+.cm-s-abbott span.cm-keyword {
+  color: #d80450 /* crimson */;
+  font-weight: bold;
+}
+
+/* Equivalent to Vim's PreProc group. */
+.cm-s-abbott span.cm-meta { color: #ec6c99 /* french_pink */; }
+
+/* Equivalent to Vim's htmlTagName group (linked to Statement). */
+.cm-s-abbott span.cm-tag {
+  color: #d80450 /* crimson */;
+  font-weight: bold;
+}
+
+/* Equivalent to Vim's htmlArg group (linked to Type). */
+.cm-s-abbott span.cm-attribute { color: #24a507 /* forest_green */; }
+
+/* Equivalent to Vim's htmlH1, markdownH1, etc. groups (linked to Title). */
+.cm-s-abbott span.cm-header {
+  color: #d80450 /* crimson */;
+  font-weight: bold;
+}
+
+/* Equivalent to Vim's markdownRule group (linked to PreProc). */
+.cm-s-abbott span.cm-hr { color: #ec6c99 /* french_pink */; }
+
+/* Roughly equivalent to Vim's Underlined group. */
+.cm-s-abbott span.cm-link { color: #e6a2f3 /* lavender */; }
+
+/* Equivalent to Vim's diffRemoved group. */
+.cm-s-abbott span.cm-negative {
+  background: #d80450 /* crimson */;
+  color: #231c14 /* bistre */;
+}
+
+/* Equivalent to Vim's diffAdded group. */
+.cm-s-abbott span.cm-positive {
+  background: #a0ea00 /* chartreuse */;
+  color: #231c14 /* bistre */;
+  font-weight: bold;
+}
+
+/* Equivalent to Vim's Error group. */
+.cm-s-abbott span.cm-error {
+  background: #d80450 /* crimson */;
+  color: #231c14 /* bistre */;
+}
+
+/* Style addons: */
+
+/* Equivalent to Vim's MatchParen group. */
+.cm-s-abbott span.CodeMirror-matchingbracket {
+  background: #745d42 /* cocoa */ !important;
+  color: #231c14 /* bistre */ !important;
+  font-weight: bold;
+}
+
+/*
+ * Roughly equivalent to Vim's Error group. (Vim doesn't seem to have a direct
+ * equivalent in its own matchparen plugin, but many syntax highlighting plugins
+ * mark mismatched brackets as Error.)
+ */
+.cm-s-abbott span.CodeMirror-nonmatchingbracket {
+  background: #d80450 /* crimson */ !important;
+  color: #231c14 /* bistre */ !important;
+}
+
+.cm-s-abbott .CodeMirror-matchingtag,
+.cm-s-abbott .cm-matchhighlight {
+  outline: 1px solid #39a78d /* zomp */;
+}
+
+/* Equivalent to Vim's CursorLine group. */
+.cm-s-abbott .CodeMirror-activeline-background,
+.cm-s-abbott .CodeMirror-activeline-gutter {
+  background: #3c3022 /* chocolate */;
+}
+
+/* Equivalent to Vim's CursorLineNr group. */
+.cm-s-abbott .CodeMirror-activeline-gutter .CodeMirror-linenumber {
+  color: #d8ff84 /* pastel_chartreuse */;
+  font-weight: bold;
+}
+
+/* Roughly equivalent to Vim's Folded group. */
+.cm-s-abbott .CodeMirror-foldmarker {
+  color: #f63f05 /* cinnabar */;
+  text-shadow: none;
+}
diff --git a/src/external/code-mirror/theme/ayu-dark.css b/src/external/code-mirror/theme/ayu-dark.css
new file mode 100644
index 000000000..13656b94b
--- /dev/null
+++ b/src/external/code-mirror/theme/ayu-dark.css
@@ -0,0 +1,44 @@
+/* Based on https://github.com/dempfi/ayu */
+
+.cm-s-ayu-dark.CodeMirror { background: #0a0e14; color: #b3b1ad; }
+.cm-s-ayu-dark div.CodeMirror-selected { background: #273747; }
+.cm-s-ayu-dark .CodeMirror-line::selection, .cm-s-ayu-dark .CodeMirror-line > span::selection, .cm-s-ayu-dark .CodeMirror-line > span > span::selection { background: rgba(39, 55, 71, 99); }
+.cm-s-ayu-dark .CodeMirror-line::-moz-selection, .cm-s-ayu-dark .CodeMirror-line > span::-moz-selection, .cm-s-ayu-dark .CodeMirror-line > span > span::-moz-selection { background: rgba(39, 55, 71, 99); }
+.cm-s-ayu-dark .CodeMirror-gutters { background: #0a0e14; border-right: 0px; }
+.cm-s-ayu-dark .CodeMirror-guttermarker { color: white; }
+.cm-s-ayu-dark .CodeMirror-guttermarker-subtle { color: #3d424d; }
+.cm-s-ayu-dark .CodeMirror-linenumber { color: #3d424d; }
+.cm-s-ayu-dark .CodeMirror-cursor { border-left: 1px solid #e6b450; }
+.cm-s-ayu-dark.cm-fat-cursor .CodeMirror-cursor { background-color: #a2a8a175 !important; }
+.cm-s-ayu-dark .cm-animate-fat-cursor { background-color: #a2a8a175 !important; }
+
+.cm-s-ayu-dark span.cm-comment { color: #626a73; }
+.cm-s-ayu-dark span.cm-atom { color: #ae81ff; }
+.cm-s-ayu-dark span.cm-number { color: #e6b450; }
+
+.cm-s-ayu-dark span.cm-comment.cm-attribute { color: #ffb454; }
+.cm-s-ayu-dark span.cm-comment.cm-def { color: rgba(57, 186, 230, 80); }
+.cm-s-ayu-dark span.cm-comment.cm-tag { color: #39bae6; }
+.cm-s-ayu-dark span.cm-comment.cm-type { color: #5998a6; }
+
+.cm-s-ayu-dark span.cm-property, .cm-s-ayu-dark span.cm-attribute { color: #ffb454; }  
+.cm-s-ayu-dark span.cm-keyword { color: #ff8f40; } 
+.cm-s-ayu-dark span.cm-builtin { color: #e6b450; }
+.cm-s-ayu-dark span.cm-string { color: #c2d94c; }
+
+.cm-s-ayu-dark span.cm-variable { color: #b3b1ad; }
+.cm-s-ayu-dark span.cm-variable-2 { color: #f07178; }
+.cm-s-ayu-dark span.cm-variable-3 { color: #39bae6; }
+.cm-s-ayu-dark span.cm-type { color: #ff8f40; }
+.cm-s-ayu-dark span.cm-def { color: #ffee99; }
+.cm-s-ayu-dark span.cm-bracket { color: #f8f8f2; }
+.cm-s-ayu-dark span.cm-tag { color: rgba(57, 186, 230, 80); }
+.cm-s-ayu-dark span.cm-header { color: #c2d94c; }
+.cm-s-ayu-dark span.cm-link { color: #39bae6; }
+.cm-s-ayu-dark span.cm-error { color: #ff3333; } 
+
+.cm-s-ayu-dark .CodeMirror-activeline-background { background: #01060e; }
+.cm-s-ayu-dark .CodeMirror-matchingbracket {
+  text-decoration: underline;
+  color: white !important;
+}
diff --git a/src/external/code-mirror/theme/ayu-mirage.css b/src/external/code-mirror/theme/ayu-mirage.css
new file mode 100644
index 000000000..19403cefb
--- /dev/null
+++ b/src/external/code-mirror/theme/ayu-mirage.css
@@ -0,0 +1,45 @@
+/* Based on https://github.com/dempfi/ayu */
+
+.cm-s-ayu-mirage.CodeMirror { background: #1f2430; color: #cbccc6; }
+.cm-s-ayu-mirage div.CodeMirror-selected { background: #34455a; }
+.cm-s-ayu-mirage .CodeMirror-line::selection, .cm-s-ayu-mirage .CodeMirror-line > span::selection, .cm-s-ayu-mirage .CodeMirror-line > span > span::selection { background: #34455a; }
+.cm-s-ayu-mirage .CodeMirror-line::-moz-selection, .cm-s-ayu-mirage .CodeMirror-line > span::-moz-selection, .cm-s-ayu-mirage .CodeMirror-line > span > span::-moz-selection { background: rgba(25, 30, 42, 99); }
+.cm-s-ayu-mirage .CodeMirror-gutters { background: #1f2430; border-right: 0px; }
+.cm-s-ayu-mirage .CodeMirror-guttermarker { color: white; }
+.cm-s-ayu-mirage .CodeMirror-guttermarker-subtle { color:  rgba(112, 122, 140, 66); }
+.cm-s-ayu-mirage .CodeMirror-linenumber { color: rgba(61, 66, 77, 99); }
+.cm-s-ayu-mirage .CodeMirror-cursor { border-left: 1px solid #ffcc66;  }
+.cm-s-ayu-mirage.cm-fat-cursor .CodeMirror-cursor {background-color: #a2a8a175 !important;}
+.cm-s-ayu-mirage .cm-animate-fat-cursor { background-color: #a2a8a175 !important; }
+
+.cm-s-ayu-mirage span.cm-comment { color: #5c6773; font-style:italic; }
+.cm-s-ayu-mirage span.cm-atom { color: #ae81ff; }
+.cm-s-ayu-mirage span.cm-number { color: #ffcc66; }
+
+.cm-s-ayu-mirage span.cm-comment.cm-attribute { color: #ffd580; }
+.cm-s-ayu-mirage span.cm-comment.cm-def { color: #d4bfff; }
+.cm-s-ayu-mirage span.cm-comment.cm-tag { color: #5ccfe6; }
+.cm-s-ayu-mirage span.cm-comment.cm-type { color: #5998a6; }
+
+.cm-s-ayu-mirage span.cm-property { color: #f29e74; }
+.cm-s-ayu-mirage span.cm-attribute { color: #ffd580; }  
+.cm-s-ayu-mirage span.cm-keyword { color: #ffa759; } 
+.cm-s-ayu-mirage span.cm-builtin { color: #ffcc66; }
+.cm-s-ayu-mirage span.cm-string { color: #bae67e; }
+
+.cm-s-ayu-mirage span.cm-variable { color: #cbccc6; }
+.cm-s-ayu-mirage span.cm-variable-2 { color: #f28779; }
+.cm-s-ayu-mirage span.cm-variable-3 { color: #5ccfe6; }
+.cm-s-ayu-mirage span.cm-type { color: #ffa759; }
+.cm-s-ayu-mirage span.cm-def { color: #ffd580; }
+.cm-s-ayu-mirage span.cm-bracket { color: rgba(92, 207, 230, 80); }
+.cm-s-ayu-mirage span.cm-tag { color: #5ccfe6; }
+.cm-s-ayu-mirage span.cm-header { color: #bae67e; }
+.cm-s-ayu-mirage span.cm-link { color: #5ccfe6; }
+.cm-s-ayu-mirage span.cm-error { color: #ff3333; } 
+
+.cm-s-ayu-mirage .CodeMirror-activeline-background { background: #191e2a; }
+.cm-s-ayu-mirage .CodeMirror-matchingbracket {
+  text-decoration: underline;
+  color: white !important;
+}
diff --git a/src/external/code-mirror/theme/darcula.css b/src/external/code-mirror/theme/darcula.css
new file mode 100644
index 000000000..2ec81a355
--- /dev/null
+++ b/src/external/code-mirror/theme/darcula.css
@@ -0,0 +1,53 @@
+/**
+    Name: IntelliJ IDEA darcula theme
+    From IntelliJ IDEA by JetBrains
+ */
+
+.cm-s-darcula  { font-family: Consolas, Menlo, Monaco, 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Courier New', monospace, serif;}
+.cm-s-darcula.CodeMirror { background: #2B2B2B; color: #A9B7C6; }
+
+.cm-s-darcula span.cm-meta { color: #BBB529; }
+.cm-s-darcula span.cm-number { color: #6897BB; }
+.cm-s-darcula span.cm-keyword { color: #CC7832; line-height: 1em; font-weight: bold; }
+.cm-s-darcula span.cm-def { color: #A9B7C6; font-style: italic; }
+.cm-s-darcula span.cm-variable { color: #A9B7C6; }
+.cm-s-darcula span.cm-variable-2 { color: #A9B7C6; }
+.cm-s-darcula span.cm-variable-3 { color: #9876AA; }
+.cm-s-darcula span.cm-type { color: #AABBCC; font-weight: bold; }
+.cm-s-darcula span.cm-property { color: #FFC66D; }
+.cm-s-darcula span.cm-operator { color: #A9B7C6; }
+.cm-s-darcula span.cm-string { color: #6A8759; }
+.cm-s-darcula span.cm-string-2 { color: #6A8759; }
+.cm-s-darcula span.cm-comment { color: #61A151; font-style: italic; }
+.cm-s-darcula span.cm-link { color: #CC7832; }
+.cm-s-darcula span.cm-atom { color: #CC7832; }
+.cm-s-darcula span.cm-error { color: #BC3F3C; }
+.cm-s-darcula span.cm-tag { color: #629755; font-weight: bold; font-style: italic; text-decoration: underline; }
+.cm-s-darcula span.cm-attribute { color: #6897bb; }
+.cm-s-darcula span.cm-qualifier { color: #6A8759; }
+.cm-s-darcula span.cm-bracket { color: #A9B7C6; }
+.cm-s-darcula span.cm-builtin { color: #FF9E59; }
+.cm-s-darcula span.cm-special { color: #FF9E59; }
+.cm-s-darcula span.cm-matchhighlight { color: #FFFFFF; background-color: rgba(50, 89, 48, .7); font-weight: normal;}
+.cm-s-darcula span.cm-searching { color: #FFFFFF; background-color: rgba(61, 115, 59, .7); font-weight: normal;}
+
+.cm-s-darcula .CodeMirror-cursor { border-left: 1px solid #A9B7C6; }
+.cm-s-darcula .CodeMirror-activeline-background { background: #323232; }
+.cm-s-darcula .CodeMirror-gutters { background: #313335; border-right: 1px solid #313335; }
+.cm-s-darcula .CodeMirror-guttermarker { color: #FFEE80; }
+.cm-s-darcula .CodeMirror-guttermarker-subtle { color: #D0D0D0; }
+.cm-s-darcula .CodeMirrir-linenumber { color: #606366; }
+.cm-s-darcula .CodeMirror-matchingbracket { background-color: #3B514D; color: #FFEF28 !important; font-weight: bold; }
+
+.cm-s-darcula div.CodeMirror-selected { background: #214283; }
+
+.CodeMirror-hints.darcula {
+  font-family: Menlo, Monaco, Consolas, 'Courier New', monospace;
+  color: #9C9E9E;
+  background-color: #3B3E3F !important;
+}
+
+.CodeMirror-hints.darcula .CodeMirror-hint-active {
+  background-color: #494D4E !important;
+  color: #9C9E9E !important;
+}
diff --git a/src/external/code-mirror/theme/gruvbox-dark.css b/src/external/code-mirror/theme/gruvbox-dark.css
new file mode 100644
index 000000000..d712dda08
--- /dev/null
+++ b/src/external/code-mirror/theme/gruvbox-dark.css
@@ -0,0 +1,39 @@
+/*
+
+    Name:       gruvbox-dark
+    Author:     kRkk (https://github.com/krkk)
+
+    Original gruvbox color scheme by Pavel Pertsev (https://github.com/morhetz/gruvbox)
+
+*/
+
+.cm-s-gruvbox-dark.CodeMirror, .cm-s-gruvbox-dark .CodeMirror-gutters { background-color: #282828; color: #bdae93; }
+.cm-s-gruvbox-dark .CodeMirror-gutters {background: #282828; border-right: 0px;}
+.cm-s-gruvbox-dark .CodeMirror-linenumber {color: #7c6f64;}
+.cm-s-gruvbox-dark .CodeMirror-cursor { border-left: 1px solid #ebdbb2; }
+.cm-s-gruvbox-dark.cm-fat-cursor .CodeMirror-cursor { background-color: #8e8d8875 !important; }
+.cm-s-gruvbox-dark .cm-animate-fat-cursor { background-color: #8e8d8875 !important; }
+.cm-s-gruvbox-dark div.CodeMirror-selected { background: #928374; }
+.cm-s-gruvbox-dark span.cm-meta { color: #83a598; }
+
+.cm-s-gruvbox-dark span.cm-comment { color: #928374; }
+.cm-s-gruvbox-dark span.cm-number, span.cm-atom { color: #d3869b; }
+.cm-s-gruvbox-dark span.cm-keyword { color: #f84934; }
+
+.cm-s-gruvbox-dark span.cm-variable { color: #ebdbb2; }
+.cm-s-gruvbox-dark span.cm-variable-2 { color: #ebdbb2; }
+.cm-s-gruvbox-dark span.cm-variable-3, .cm-s-gruvbox-dark span.cm-type { color: #fabd2f; }
+.cm-s-gruvbox-dark span.cm-operator { color: #ebdbb2; }
+.cm-s-gruvbox-dark span.cm-callee { color: #ebdbb2; }
+.cm-s-gruvbox-dark span.cm-def { color: #ebdbb2; }
+.cm-s-gruvbox-dark span.cm-property { color: #ebdbb2; }
+.cm-s-gruvbox-dark span.cm-string { color: #b8bb26; }
+.cm-s-gruvbox-dark span.cm-string-2 { color: #8ec07c; }
+.cm-s-gruvbox-dark span.cm-qualifier { color: #8ec07c; }
+.cm-s-gruvbox-dark span.cm-attribute { color: #8ec07c; }
+
+.cm-s-gruvbox-dark .CodeMirror-activeline-background { background: #3c3836; }
+.cm-s-gruvbox-dark .CodeMirror-matchingbracket { background: #928374; color:#282828 !important; }
+
+.cm-s-gruvbox-dark span.cm-builtin { color: #fe8019; }
+.cm-s-gruvbox-dark span.cm-tag { color: #fe8019; }
diff --git a/src/external/code-mirror/theme/idea.css b/src/external/code-mirror/theme/idea.css
new file mode 100644
index 000000000..eab36717a
--- /dev/null
+++ b/src/external/code-mirror/theme/idea.css
@@ -0,0 +1,42 @@
+/**
+    Name:       IDEA default theme
+    From IntelliJ IDEA by JetBrains
+ */
+
+.cm-s-idea span.cm-meta { color: #808000; }
+.cm-s-idea span.cm-number { color: #0000FF; }
+.cm-s-idea span.cm-keyword { line-height: 1em; font-weight: bold; color: #000080; }
+.cm-s-idea span.cm-atom { font-weight: bold; color: #000080; }
+.cm-s-idea span.cm-def { color: #000000; }
+.cm-s-idea span.cm-variable { color: black; }
+.cm-s-idea span.cm-variable-2 { color: black; }
+.cm-s-idea span.cm-variable-3, .cm-s-idea span.cm-type { color: black; }
+.cm-s-idea span.cm-property { color: black; }
+.cm-s-idea span.cm-operator { color: black; }
+.cm-s-idea span.cm-comment { color: #808080; }
+.cm-s-idea span.cm-string { color: #008000; }
+.cm-s-idea span.cm-string-2 { color: #008000; }
+.cm-s-idea span.cm-qualifier { color: #555; }
+.cm-s-idea span.cm-error { color: #FF0000; }
+.cm-s-idea span.cm-attribute { color: #0000FF; }
+.cm-s-idea span.cm-tag { color: #000080; }
+.cm-s-idea span.cm-link { color: #0000FF; }
+.cm-s-idea .CodeMirror-activeline-background { background: #FFFAE3; }
+
+.cm-s-idea span.cm-builtin { color: #30a; }
+.cm-s-idea span.cm-bracket { color: #cc7; }
+.cm-s-idea  { font-family: Consolas, Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif;}
+
+
+.cm-s-idea .CodeMirror-matchingbracket { outline:1px solid grey; color:black !important; }
+
+.CodeMirror-hints.idea {
+  font-family: Menlo, Monaco, Consolas, 'Courier New', monospace;
+  color: #616569;
+  background-color: #ebf3fd !important;
+}
+
+.CodeMirror-hints.idea .CodeMirror-hint-active {
+  background-color: #a2b8c9 !important;
+  color: #5c6065 !important;
+}
\ No newline at end of file
diff --git a/src/external/code-mirror/theme/juejin.css b/src/external/code-mirror/theme/juejin.css
new file mode 100644
index 000000000..38cf7fe37
--- /dev/null
+++ b/src/external/code-mirror/theme/juejin.css
@@ -0,0 +1,30 @@
+.cm-s-juejin.CodeMirror {
+  background: #f8f9fa;
+}
+.cm-s-juejin .cm-header,
+.cm-s-juejin .cm-def {
+  color: #1ba2f0;
+}
+.cm-s-juejin .cm-comment {
+  color: #009e9d;
+}
+.cm-s-juejin .cm-quote,
+.cm-s-juejin .cm-link,
+.cm-s-juejin .cm-strong,
+.cm-s-juejin .cm-attribute {
+  color: #fd7741;
+}
+.cm-s-juejin .cm-url,
+.cm-s-juejin .cm-keyword,
+.cm-s-juejin .cm-builtin {
+  color: #bb51b8;
+}
+.cm-s-juejin .cm-hr {
+  color: #909090;
+}
+.cm-s-juejin .cm-tag {
+  color: #107000;
+}
+.cm-s-juejin .cm-variable-2 {
+  color: #0050a0;
+}
diff --git a/src/external/code-mirror/theme/lucario.css b/src/external/code-mirror/theme/lucario.css
new file mode 100644
index 000000000..17a155103
--- /dev/null
+++ b/src/external/code-mirror/theme/lucario.css
@@ -0,0 +1,37 @@
+/*
+  Name:       lucario
+  Author:     Raphael Amorim
+
+  Original Lucario color scheme (https://github.com/raphamorim/lucario)
+*/
+
+.cm-s-lucario.CodeMirror, .cm-s-lucario .CodeMirror-gutters {
+  background-color: #2b3e50 !important;
+  color: #f8f8f2 !important;
+  border: none;
+}
+.cm-s-lucario .CodeMirror-gutters { color: #2b3e50; }
+.cm-s-lucario .CodeMirror-cursor { border-left: solid thin #E6C845; }
+.cm-s-lucario .CodeMirror-linenumber { color: #f8f8f2; }
+.cm-s-lucario .CodeMirror-selected { background: #243443; }
+.cm-s-lucario .CodeMirror-line::selection, .cm-s-lucario .CodeMirror-line > span::selection, .cm-s-lucario .CodeMirror-line > span > span::selection { background: #243443; }
+.cm-s-lucario .CodeMirror-line::-moz-selection, .cm-s-lucario .CodeMirror-line > span::-moz-selection, .cm-s-lucario .CodeMirror-line > span > span::-moz-selection { background: #243443; }
+.cm-s-lucario span.cm-comment { color: #5c98cd; }
+.cm-s-lucario span.cm-string, .cm-s-lucario span.cm-string-2 { color: #E6DB74; }
+.cm-s-lucario span.cm-number { color: #ca94ff; }
+.cm-s-lucario span.cm-variable { color: #f8f8f2; }
+.cm-s-lucario span.cm-variable-2 { color: #f8f8f2; }
+.cm-s-lucario span.cm-def { color: #72C05D; }
+.cm-s-lucario span.cm-operator { color: #66D9EF; }
+.cm-s-lucario span.cm-keyword { color: #ff6541; }
+.cm-s-lucario span.cm-atom { color: #bd93f9; }
+.cm-s-lucario span.cm-meta { color: #f8f8f2; }
+.cm-s-lucario span.cm-tag { color: #ff6541; }
+.cm-s-lucario span.cm-attribute { color: #66D9EF; }
+.cm-s-lucario span.cm-qualifier { color: #72C05D; }
+.cm-s-lucario span.cm-property { color: #f8f8f2; }
+.cm-s-lucario span.cm-builtin { color: #72C05D; }
+.cm-s-lucario span.cm-variable-3, .cm-s-lucario span.cm-type { color: #ffb86c; }
+
+.cm-s-lucario .CodeMirror-activeline-background { background: #243443; }
+.cm-s-lucario .CodeMirror-matchingbracket { text-decoration: underline; color: white !important; }
diff --git a/src/external/code-mirror/theme/material-darker.css b/src/external/code-mirror/theme/material-darker.css
new file mode 100644
index 000000000..45b64efb2
--- /dev/null
+++ b/src/external/code-mirror/theme/material-darker.css
@@ -0,0 +1,135 @@
+/*
+  Name:       material
+  Author:     Mattia Astorino (http://github.com/equinusocio)
+  Website:    https://material-theme.site/
+*/
+
+.cm-s-material-darker.CodeMirror {
+  background-color: #212121;
+  color: #EEFFFF;
+}
+
+.cm-s-material-darker .CodeMirror-gutters {
+  background: #212121;
+  color: #545454;
+  border: none;
+}
+
+.cm-s-material-darker .CodeMirror-guttermarker,
+.cm-s-material-darker .CodeMirror-guttermarker-subtle,
+.cm-s-material-darker .CodeMirror-linenumber {
+  color: #545454;
+}
+
+.cm-s-material-darker .CodeMirror-cursor {
+  border-left: 1px solid #FFCC00;
+}
+
+.cm-s-material-darker div.CodeMirror-selected {
+  background: rgba(97, 97, 97, 0.2);
+}
+
+.cm-s-material-darker.CodeMirror-focused div.CodeMirror-selected {
+  background: rgba(97, 97, 97, 0.2);
+}
+
+.cm-s-material-darker .CodeMirror-line::selection,
+.cm-s-material-darker .CodeMirror-line>span::selection,
+.cm-s-material-darker .CodeMirror-line>span>span::selection {
+  background: rgba(128, 203, 196, 0.2);
+}
+
+.cm-s-material-darker .CodeMirror-line::-moz-selection,
+.cm-s-material-darker .CodeMirror-line>span::-moz-selection,
+.cm-s-material-darker .CodeMirror-line>span>span::-moz-selection {
+  background: rgba(128, 203, 196, 0.2);
+}
+
+.cm-s-material-darker .CodeMirror-activeline-background {
+  background: rgba(0, 0, 0, 0.5);
+}
+
+.cm-s-material-darker .cm-keyword {
+  color: #C792EA;
+}
+
+.cm-s-material-darker .cm-operator {
+  color: #89DDFF;
+}
+
+.cm-s-material-darker .cm-variable-2 {
+  color: #EEFFFF;
+}
+
+.cm-s-material-darker .cm-variable-3,
+.cm-s-material-darker .cm-type {
+  color: #f07178;
+}
+
+.cm-s-material-darker .cm-builtin {
+  color: #FFCB6B;
+}
+
+.cm-s-material-darker .cm-atom {
+  color: #F78C6C;
+}
+
+.cm-s-material-darker .cm-number {
+  color: #FF5370;
+}
+
+.cm-s-material-darker .cm-def {
+  color: #82AAFF;
+}
+
+.cm-s-material-darker .cm-string {
+  color: #C3E88D;
+}
+
+.cm-s-material-darker .cm-string-2 {
+  color: #f07178;
+}
+
+.cm-s-material-darker .cm-comment {
+  color: #545454;
+}
+
+.cm-s-material-darker .cm-variable {
+  color: #f07178;
+}
+
+.cm-s-material-darker .cm-tag {
+  color: #FF5370;
+}
+
+.cm-s-material-darker .cm-meta {
+  color: #FFCB6B;
+}
+
+.cm-s-material-darker .cm-attribute {
+  color: #C792EA;
+}
+
+.cm-s-material-darker .cm-property {
+  color: #C792EA;
+}
+
+.cm-s-material-darker .cm-qualifier {
+  color: #DECB6B;
+}
+
+.cm-s-material-darker .cm-variable-3,
+.cm-s-material-darker .cm-type {
+  color: #DECB6B;
+}
+
+
+.cm-s-material-darker .cm-error {
+  color: rgba(255, 255, 255, 1.0);
+  background-color: #FF5370;
+}
+
+.cm-s-material-darker .CodeMirror-matchingbracket {
+  text-decoration: underline;
+  color: white !important;
+}
\ No newline at end of file
diff --git a/src/external/code-mirror/theme/material-ocean.css b/src/external/code-mirror/theme/material-ocean.css
new file mode 100644
index 000000000..404178de2
--- /dev/null
+++ b/src/external/code-mirror/theme/material-ocean.css
@@ -0,0 +1,141 @@
+/*
+  Name:       material
+  Author:     Mattia Astorino (http://github.com/equinusocio)
+  Website:    https://material-theme.site/
+*/
+
+.cm-s-material-ocean.CodeMirror {
+  background-color: #0F111A;
+  color: #8F93A2;
+}
+
+.cm-s-material-ocean .CodeMirror-gutters {
+  background: #0F111A;
+  color: #464B5D;
+  border: none;
+}
+
+.cm-s-material-ocean .CodeMirror-guttermarker,
+.cm-s-material-ocean .CodeMirror-guttermarker-subtle,
+.cm-s-material-ocean .CodeMirror-linenumber {
+  color: #464B5D;
+}
+
+.cm-s-material-ocean .CodeMirror-cursor {
+  border-left: 1px solid #FFCC00;
+}
+.cm-s-material-ocean.cm-fat-cursor .CodeMirror-cursor {
+  background-color: #a2a8a175 !important;
+}
+.cm-s-material-ocean .cm-animate-fat-cursor {
+  background-color: #a2a8a175 !important;
+}
+
+.cm-s-material-ocean div.CodeMirror-selected {
+  background: rgba(113, 124, 180, 0.2);
+}
+
+.cm-s-material-ocean.CodeMirror-focused div.CodeMirror-selected {
+  background: rgba(113, 124, 180, 0.2);
+}
+
+.cm-s-material-ocean .CodeMirror-line::selection,
+.cm-s-material-ocean .CodeMirror-line>span::selection,
+.cm-s-material-ocean .CodeMirror-line>span>span::selection {
+  background: rgba(128, 203, 196, 0.2);
+}
+
+.cm-s-material-ocean .CodeMirror-line::-moz-selection,
+.cm-s-material-ocean .CodeMirror-line>span::-moz-selection,
+.cm-s-material-ocean .CodeMirror-line>span>span::-moz-selection {
+  background: rgba(128, 203, 196, 0.2);
+}
+
+.cm-s-material-ocean .CodeMirror-activeline-background {
+  background: rgba(0, 0, 0, 0.5);
+}
+
+.cm-s-material-ocean .cm-keyword {
+  color: #C792EA;
+}
+
+.cm-s-material-ocean .cm-operator {
+  color: #89DDFF;
+}
+
+.cm-s-material-ocean .cm-variable-2 {
+  color: #EEFFFF;
+}
+
+.cm-s-material-ocean .cm-variable-3,
+.cm-s-material-ocean .cm-type {
+  color: #f07178;
+}
+
+.cm-s-material-ocean .cm-builtin {
+  color: #FFCB6B;
+}
+
+.cm-s-material-ocean .cm-atom {
+  color: #F78C6C;
+}
+
+.cm-s-material-ocean .cm-number {
+  color: #FF5370;
+}
+
+.cm-s-material-ocean .cm-def {
+  color: #82AAFF;
+}
+
+.cm-s-material-ocean .cm-string {
+  color: #C3E88D;
+}
+
+.cm-s-material-ocean .cm-string-2 {
+  color: #f07178;
+}
+
+.cm-s-material-ocean .cm-comment {
+  color: #464B5D;
+}
+
+.cm-s-material-ocean .cm-variable {
+  color: #f07178;
+}
+
+.cm-s-material-ocean .cm-tag {
+  color: #FF5370;
+}
+
+.cm-s-material-ocean .cm-meta {
+  color: #FFCB6B;
+}
+
+.cm-s-material-ocean .cm-attribute {
+  color: #C792EA;
+}
+
+.cm-s-material-ocean .cm-property {
+  color: #C792EA;
+}
+
+.cm-s-material-ocean .cm-qualifier {
+  color: #DECB6B;
+}
+
+.cm-s-material-ocean .cm-variable-3,
+.cm-s-material-ocean .cm-type {
+  color: #DECB6B;
+}
+
+
+.cm-s-material-ocean .cm-error {
+  color: rgba(255, 255, 255, 1.0);
+  background-color: #FF5370;
+}
+
+.cm-s-material-ocean .CodeMirror-matchingbracket {
+  text-decoration: underline;
+  color: white !important;
+}
diff --git a/src/external/code-mirror/theme/material-palenight.css b/src/external/code-mirror/theme/material-palenight.css
new file mode 100644
index 000000000..6712c43a0
--- /dev/null
+++ b/src/external/code-mirror/theme/material-palenight.css
@@ -0,0 +1,141 @@
+/*
+  Name:       material
+  Author:     Mattia Astorino (http://github.com/equinusocio)
+  Website:    https://material-theme.site/
+*/
+
+.cm-s-material-palenight.CodeMirror {
+  background-color: #292D3E;
+  color: #A6ACCD;
+}
+
+.cm-s-material-palenight .CodeMirror-gutters {
+  background: #292D3E;
+  color: #676E95;
+  border: none;
+}
+
+.cm-s-material-palenight .CodeMirror-guttermarker,
+.cm-s-material-palenight .CodeMirror-guttermarker-subtle,
+.cm-s-material-palenight .CodeMirror-linenumber {
+  color: #676E95;
+}
+
+.cm-s-material-palenight .CodeMirror-cursor {
+  border-left: 1px solid #FFCC00;
+}
+.cm-s-material-palenight.cm-fat-cursor .CodeMirror-cursor {
+  background-color: #607c8b80 !important;
+}
+.cm-s-material-palenight .cm-animate-fat-cursor {
+  background-color: #607c8b80 !important;
+}
+
+.cm-s-material-palenight div.CodeMirror-selected {
+  background: rgba(113, 124, 180, 0.2);
+}
+
+.cm-s-material-palenight.CodeMirror-focused div.CodeMirror-selected {
+  background: rgba(113, 124, 180, 0.2);
+}
+
+.cm-s-material-palenight .CodeMirror-line::selection,
+.cm-s-material-palenight .CodeMirror-line>span::selection,
+.cm-s-material-palenight .CodeMirror-line>span>span::selection {
+  background: rgba(128, 203, 196, 0.2);
+}
+
+.cm-s-material-palenight .CodeMirror-line::-moz-selection,
+.cm-s-material-palenight .CodeMirror-line>span::-moz-selection,
+.cm-s-material-palenight .CodeMirror-line>span>span::-moz-selection {
+  background: rgba(128, 203, 196, 0.2);
+}
+
+.cm-s-material-palenight .CodeMirror-activeline-background {
+  background: rgba(0, 0, 0, 0.5);
+}
+
+.cm-s-material-palenight .cm-keyword {
+  color: #C792EA;
+}
+
+.cm-s-material-palenight .cm-operator {
+  color: #89DDFF;
+}
+
+.cm-s-material-palenight .cm-variable-2 {
+  color: #EEFFFF;
+}
+
+.cm-s-material-palenight .cm-variable-3,
+.cm-s-material-palenight .cm-type {
+  color: #f07178;
+}
+
+.cm-s-material-palenight .cm-builtin {
+  color: #FFCB6B;
+}
+
+.cm-s-material-palenight .cm-atom {
+  color: #F78C6C;
+}
+
+.cm-s-material-palenight .cm-number {
+  color: #FF5370;
+}
+
+.cm-s-material-palenight .cm-def {
+  color: #82AAFF;
+}
+
+.cm-s-material-palenight .cm-string {
+  color: #C3E88D;
+}
+
+.cm-s-material-palenight .cm-string-2 {
+  color: #f07178;
+}
+
+.cm-s-material-palenight .cm-comment {
+  color: #676E95;
+}
+
+.cm-s-material-palenight .cm-variable {
+  color: #f07178;
+}
+
+.cm-s-material-palenight .cm-tag {
+  color: #FF5370;
+}
+
+.cm-s-material-palenight .cm-meta {
+  color: #FFCB6B;
+}
+
+.cm-s-material-palenight .cm-attribute {
+  color: #C792EA;
+}
+
+.cm-s-material-palenight .cm-property {
+  color: #C792EA;
+}
+
+.cm-s-material-palenight .cm-qualifier {
+  color: #DECB6B;
+}
+
+.cm-s-material-palenight .cm-variable-3,
+.cm-s-material-palenight .cm-type {
+  color: #DECB6B;
+}
+
+
+.cm-s-material-palenight .cm-error {
+  color: rgba(255, 255, 255, 1.0);
+  background-color: #FF5370;
+}
+
+.cm-s-material-palenight .CodeMirror-matchingbracket {
+  text-decoration: underline;
+  color: white !important;
+}
diff --git a/src/external/code-mirror/theme/moxer.css b/src/external/code-mirror/theme/moxer.css
new file mode 100644
index 000000000..b3ca35e38
--- /dev/null
+++ b/src/external/code-mirror/theme/moxer.css
@@ -0,0 +1,143 @@
+/*
+  Name:       Moxer Theme
+  Author:     Mattia Astorino (http://github.com/equinusocio)
+  Website:    https://github.com/moxer-theme/moxer-code
+*/
+
+.cm-s-moxer.CodeMirror {
+  background-color: #090A0F;
+  color: #8E95B4;
+  line-height: 1.8;
+}
+
+.cm-s-moxer .CodeMirror-gutters {
+  background: #090A0F;
+  color: #35394B;
+  border: none;
+}
+
+.cm-s-moxer .CodeMirror-guttermarker,
+.cm-s-moxer .CodeMirror-guttermarker-subtle,
+.cm-s-moxer .CodeMirror-linenumber {
+  color: #35394B;
+}
+
+
+.cm-s-moxer .CodeMirror-cursor {
+  border-left: 1px solid #FFCC00;
+}
+
+.cm-s-moxer div.CodeMirror-selected {
+  background: rgba(128, 203, 196, 0.2);
+}
+
+.cm-s-moxer.CodeMirror-focused div.CodeMirror-selected {
+  background: #212431;
+}
+
+.cm-s-moxer .CodeMirror-line::selection,
+.cm-s-moxer .CodeMirror-line>span::selection,
+.cm-s-moxer .CodeMirror-line>span>span::selection {
+  background: #212431;
+}
+
+.cm-s-moxer .CodeMirror-line::-moz-selection,
+.cm-s-moxer .CodeMirror-line>span::-moz-selection,
+.cm-s-moxer .CodeMirror-line>span>span::-moz-selection {
+  background: #212431;
+}
+
+.cm-s-moxer .CodeMirror-activeline-background,
+.cm-s-moxer .CodeMirror-activeline-gutter .CodeMirror-linenumber {
+  background: rgba(33, 36, 49, 0.5);
+}
+
+.cm-s-moxer .cm-keyword {
+  color: #D46C6C;
+}
+
+.cm-s-moxer .cm-operator {
+  color: #D46C6C;
+}
+
+.cm-s-moxer .cm-variable-2 {
+  color: #81C5DA;
+}
+
+
+.cm-s-moxer .cm-variable-3,
+.cm-s-moxer .cm-type {
+  color: #f07178;
+}
+
+.cm-s-moxer .cm-builtin {
+  color: #FFCB6B;
+}
+
+.cm-s-moxer .cm-atom {
+  color: #A99BE2;
+}
+
+.cm-s-moxer .cm-number {
+  color: #7CA4C0;
+}
+
+.cm-s-moxer .cm-def {
+  color: #F5DFA5;
+}
+
+.cm-s-moxer .CodeMirror-line .cm-def ~ .cm-def {
+  color: #81C5DA;
+}
+
+.cm-s-moxer .cm-string {
+  color: #B2E4AE;
+}
+
+.cm-s-moxer .cm-string-2 {
+  color: #f07178;
+}
+
+.cm-s-moxer .cm-comment {
+  color: #3F445A;
+}
+
+.cm-s-moxer .cm-variable {
+  color: #8E95B4;
+}
+
+.cm-s-moxer .cm-tag {
+  color: #FF5370;
+}
+
+.cm-s-moxer .cm-meta {
+  color: #FFCB6B;
+}
+
+.cm-s-moxer .cm-attribute {
+  color: #C792EA;
+}
+
+.cm-s-moxer .cm-property {
+  color: #81C5DA;
+}
+
+.cm-s-moxer .cm-qualifier {
+  color: #DECB6B;
+}
+
+.cm-s-moxer .cm-variable-3,
+.cm-s-moxer .cm-type {
+  color: #DECB6B;
+}
+
+
+.cm-s-moxer .cm-error {
+  color: rgba(255, 255, 255, 1.0);
+  background-color: #FF5370;
+}
+
+.cm-s-moxer .CodeMirror-matchingbracket {
+  text-decoration: underline;
+  color: white !important;
+}
\ No newline at end of file
diff --git a/src/external/code-mirror/theme/nord.css b/src/external/code-mirror/theme/nord.css
new file mode 100644
index 000000000..41a8ad778
--- /dev/null
+++ b/src/external/code-mirror/theme/nord.css
@@ -0,0 +1,42 @@
+/* Based on arcticicestudio's Nord theme */
+/* https://github.com/arcticicestudio/nord */
+
+.cm-s-nord.CodeMirror { background: #2e3440; color: #d8dee9; }
+.cm-s-nord div.CodeMirror-selected { background: #434c5e; }
+.cm-s-nord .CodeMirror-line::selection, .cm-s-nord .CodeMirror-line > span::selection, .cm-s-nord .CodeMirror-line > span > span::selection { background: #3b4252; }
+.cm-s-nord .CodeMirror-line::-moz-selection, .cm-s-nord .CodeMirror-line > span::-moz-selection, .cm-s-nord .CodeMirror-line > span > span::-moz-selection { background: #3b4252; }
+.cm-s-nord .CodeMirror-gutters { background: #2e3440; border-right: 0px; }
+.cm-s-nord .CodeMirror-guttermarker { color: #4c566a; }
+.cm-s-nord .CodeMirror-guttermarker-subtle { color: #4c566a; }
+.cm-s-nord .CodeMirror-linenumber { color: #4c566a; }
+.cm-s-nord .CodeMirror-cursor { border-left: 1px solid #f8f8f0; }
+
+.cm-s-nord span.cm-comment { color: #4c566a; }
+.cm-s-nord span.cm-atom { color: #b48ead; }
+.cm-s-nord span.cm-number { color: #b48ead; }
+
+.cm-s-nord span.cm-comment.cm-attribute { color: #97b757; }
+.cm-s-nord span.cm-comment.cm-def { color: #bc9262; }
+.cm-s-nord span.cm-comment.cm-tag { color: #bc6283; }
+.cm-s-nord span.cm-comment.cm-type { color: #5998a6; }
+
+.cm-s-nord span.cm-property, .cm-s-nord span.cm-attribute { color: #8FBCBB; }
+.cm-s-nord span.cm-keyword { color: #81A1C1; }
+.cm-s-nord span.cm-builtin { color: #81A1C1; }
+.cm-s-nord span.cm-string { color: #A3BE8C; }
+
+.cm-s-nord span.cm-variable { color: #d8dee9; }
+.cm-s-nord span.cm-variable-2 { color: #d8dee9; }
+.cm-s-nord span.cm-variable-3, .cm-s-nord span.cm-type { color: #d8dee9; }
+.cm-s-nord span.cm-def { color: #8FBCBB; }
+.cm-s-nord span.cm-bracket { color: #81A1C1; }
+.cm-s-nord span.cm-tag { color: #bf616a; }
+.cm-s-nord span.cm-header { color: #b48ead; }
+.cm-s-nord span.cm-link { color: #b48ead; }
+.cm-s-nord span.cm-error { background: #bf616a; color: #f8f8f0; }
+
+.cm-s-nord .CodeMirror-activeline-background { background: #3b4252; }
+.cm-s-nord .CodeMirror-matchingbracket {
+  text-decoration: underline;
+  color: white !important;
+}
diff --git a/src/external/code-mirror/theme/oceanic-next.css b/src/external/code-mirror/theme/oceanic-next.css
new file mode 100644
index 000000000..f3d0d08ac
--- /dev/null
+++ b/src/external/code-mirror/theme/oceanic-next.css
@@ -0,0 +1,46 @@
+/*
+
+    Name:       oceanic-next
+    Author:     Filype Pereira (https://github.com/fpereira1)
+
+    Original oceanic-next color scheme by Dmitri Voronianski (https://github.com/voronianski/oceanic-next-color-scheme)
+
+*/
+
+.cm-s-oceanic-next.CodeMirror { background: #304148; color: #f8f8f2; }
+.cm-s-oceanic-next div.CodeMirror-selected { background: rgba(101, 115, 126, 0.33); }
+.cm-s-oceanic-next .CodeMirror-line::selection, .cm-s-oceanic-next .CodeMirror-line > span::selection, .cm-s-oceanic-next .CodeMirror-line > span > span::selection { background: rgba(101, 115, 126, 0.33); }
+.cm-s-oceanic-next .CodeMirror-line::-moz-selection, .cm-s-oceanic-next .CodeMirror-line > span::-moz-selection, .cm-s-oceanic-next .CodeMirror-line > span > span::-moz-selection { background: rgba(101, 115, 126, 0.33); }
+.cm-s-oceanic-next .CodeMirror-gutters { background: #304148; border-right: 10px; }
+.cm-s-oceanic-next .CodeMirror-guttermarker { color: white; }
+.cm-s-oceanic-next .CodeMirror-guttermarker-subtle { color: #d0d0d0; }
+.cm-s-oceanic-next .CodeMirror-linenumber { color: #d0d0d0; }
+.cm-s-oceanic-next .CodeMirror-cursor { border-left: 1px solid #f8f8f0; }
+.cm-s-oceanic-next.cm-fat-cursor .CodeMirror-cursor { background-color: #a2a8a175 !important; }
+.cm-s-oceanic-next .cm-animate-fat-cursor { background-color: #a2a8a175 !important; }
+
+.cm-s-oceanic-next span.cm-comment { color: #65737E; }
+.cm-s-oceanic-next span.cm-atom { color: #C594C5; }
+.cm-s-oceanic-next span.cm-number { color: #F99157; }
+
+.cm-s-oceanic-next span.cm-property { color: #99C794; }
+.cm-s-oceanic-next span.cm-attribute,
+.cm-s-oceanic-next span.cm-keyword { color: #C594C5; }
+.cm-s-oceanic-next span.cm-builtin { color: #66d9ef; }
+.cm-s-oceanic-next span.cm-string { color: #99C794; }
+
+.cm-s-oceanic-next span.cm-variable,
+.cm-s-oceanic-next span.cm-variable-2,
+.cm-s-oceanic-next span.cm-variable-3 { color: #f8f8f2; }
+.cm-s-oceanic-next span.cm-def { color: #6699CC; }
+.cm-s-oceanic-next span.cm-bracket { color: #5FB3B3; }
+.cm-s-oceanic-next span.cm-tag { color: #C594C5; }
+.cm-s-oceanic-next span.cm-header { color: #C594C5; }
+.cm-s-oceanic-next span.cm-link { color: #C594C5; }
+.cm-s-oceanic-next span.cm-error { background: #C594C5; color: #f8f8f0; }
+
+.cm-s-oceanic-next .CodeMirror-activeline-background { background: rgba(101, 115, 126, 0.33); }
+.cm-s-oceanic-next .CodeMirror-matchingbracket {
+  text-decoration: underline;
+  color: white !important;
+}
diff --git a/src/external/code-mirror/theme/shadowfox.css b/src/external/code-mirror/theme/shadowfox.css
new file mode 100644
index 000000000..32d59b139
--- /dev/null
+++ b/src/external/code-mirror/theme/shadowfox.css
@@ -0,0 +1,52 @@
+/*
+
+    Name:       shadowfox
+    Author:     overdodactyl (http://github.com/overdodactyl)
+
+    Original shadowfox color scheme by Firefox
+
+*/
+
+.cm-s-shadowfox.CodeMirror { background: #2a2a2e; color: #b1b1b3; }
+.cm-s-shadowfox div.CodeMirror-selected { background: #353B48; }
+.cm-s-shadowfox .CodeMirror-line::selection, .cm-s-shadowfox .CodeMirror-line > span::selection, .cm-s-shadowfox .CodeMirror-line > span > span::selection { background: #353B48; }
+.cm-s-shadowfox .CodeMirror-line::-moz-selection, .cm-s-shadowfox .CodeMirror-line > span::-moz-selection, .cm-s-shadowfox .CodeMirror-line > span > span::-moz-selection { background: #353B48; }
+.cm-s-shadowfox .CodeMirror-gutters { background: #0c0c0d ; border-right: 1px solid #0c0c0d; }
+.cm-s-shadowfox .CodeMirror-guttermarker { color: #555; }
+.cm-s-shadowfox .CodeMirror-linenumber { color: #939393; }
+.cm-s-shadowfox .CodeMirror-cursor { border-left: 1px solid #fff; }
+
+.cm-s-shadowfox span.cm-comment { color: #939393; }
+.cm-s-shadowfox span.cm-atom { color: #FF7DE9; }
+.cm-s-shadowfox span.cm-quote { color: #FF7DE9; }
+.cm-s-shadowfox span.cm-builtin { color: #FF7DE9; }
+.cm-s-shadowfox span.cm-attribute { color: #FF7DE9; }
+.cm-s-shadowfox span.cm-keyword { color: #FF7DE9; }
+.cm-s-shadowfox span.cm-error { color: #FF7DE9; }
+
+.cm-s-shadowfox span.cm-number { color: #6B89FF; }
+.cm-s-shadowfox span.cm-string { color: #6B89FF; }
+.cm-s-shadowfox span.cm-string-2 { color: #6B89FF; }
+
+.cm-s-shadowfox span.cm-meta { color: #939393; }
+.cm-s-shadowfox span.cm-hr { color: #939393; }
+
+.cm-s-shadowfox span.cm-header { color: #75BFFF; }
+.cm-s-shadowfox span.cm-qualifier { color: #75BFFF; }
+.cm-s-shadowfox span.cm-variable-2 { color: #75BFFF; }
+
+.cm-s-shadowfox span.cm-property { color: #86DE74; }
+
+.cm-s-shadowfox span.cm-def { color: #75BFFF; }
+.cm-s-shadowfox span.cm-bracket { color: #75BFFF; }
+.cm-s-shadowfox span.cm-tag { color: #75BFFF; }
+.cm-s-shadowfox span.cm-link:visited { color: #75BFFF; }
+
+.cm-s-shadowfox span.cm-variable { color: #B98EFF; }
+.cm-s-shadowfox span.cm-variable-3 { color: #d7d7db; }
+.cm-s-shadowfox span.cm-link { color: #737373; }
+.cm-s-shadowfox span.cm-operator { color: #b1b1b3; }
+.cm-s-shadowfox span.cm-special { color: #d7d7db; }
+
+.cm-s-shadowfox .CodeMirror-activeline-background { background: rgba(185, 215, 253, .15) }
+.cm-s-shadowfox .CodeMirror-matchingbracket { outline: solid 1px rgba(255, 255, 255, .25); color: white !important; }
diff --git a/src/external/code-mirror/theme/ssms.css b/src/external/code-mirror/theme/ssms.css
new file mode 100644
index 000000000..9494c14c2
--- /dev/null
+++ b/src/external/code-mirror/theme/ssms.css
@@ -0,0 +1,16 @@
+.cm-s-ssms span.cm-keyword { color: blue; }
+.cm-s-ssms span.cm-comment { color: darkgreen; }
+.cm-s-ssms span.cm-string { color: red; }
+.cm-s-ssms span.cm-def { color: black; }
+.cm-s-ssms span.cm-variable { color: black; }
+.cm-s-ssms span.cm-variable-2 { color: black; }
+.cm-s-ssms span.cm-atom { color: darkgray; }
+.cm-s-ssms .CodeMirror-linenumber { color: teal; }
+.cm-s-ssms .CodeMirror-activeline-background { background: #ffffff; }
+.cm-s-ssms span.cm-string-2 { color: #FF00FF; }
+.cm-s-ssms span.cm-operator, 
+.cm-s-ssms span.cm-bracket, 
+.cm-s-ssms span.cm-punctuation { color: darkgray; }
+.cm-s-ssms .CodeMirror-gutters { border-right: 3px solid #ffee62; background-color: #ffffff; }
+.cm-s-ssms div.CodeMirror-selected { background: #ADD6FF; }
+
diff --git a/src/external/code-mirror/theme/yonce.css b/src/external/code-mirror/theme/yonce.css
new file mode 100644
index 000000000..975f0788a
--- /dev/null
+++ b/src/external/code-mirror/theme/yonce.css
@@ -0,0 +1,59 @@
+/*
+
+    Name:       yoncé
+    Author:     Thomas MacLean (http://github.com/thomasmaclean)
+
+    Original yoncé color scheme by Mina Markham (https://github.com/minamarkham)
+
+*/
+
+.cm-s-yonce.CodeMirror { background: #1C1C1C; color: #d4d4d4; } /**/
+.cm-s-yonce div.CodeMirror-selected { background: rgba(252, 69, 133, 0.478); } /**/
+.cm-s-yonce .CodeMirror-selectedtext,
+.cm-s-yonce .CodeMirror-selected,
+.cm-s-yonce .CodeMirror-line::selection,
+.cm-s-yonce .CodeMirror-line > span::selection,
+.cm-s-yonce .CodeMirror-line > span > span::selection,
+.cm-s-yonce .CodeMirror-line::-moz-selection,
+.cm-s-yonce .CodeMirror-line > span::-moz-selection,
+.cm-s-yonce .CodeMirror-line > span > span::-moz-selection { background: rgba(252, 67, 132, 0.47); }
+
+.cm-s-yonce.CodeMirror pre { padding-left: 0px; }
+.cm-s-yonce .CodeMirror-gutters {background: #1C1C1C; border-right: 0px;}
+.cm-s-yonce .CodeMirror-linenumber {color: #777777;  padding-right: 10px; }
+.cm-s-yonce .CodeMirror-activeline .CodeMirror-linenumber.CodeMirror-gutter-elt { background: #1C1C1C; color: #fc4384; }
+.cm-s-yonce .CodeMirror-linenumber { color: #777; }
+.cm-s-yonce .CodeMirror-cursor { border-left: 2px solid #FC4384; }
+.cm-s-yonce .cm-searching { background: rgba(243, 155, 53, .3) !important; outline: 1px solid #F39B35; }
+.cm-s-yonce .cm-searching.CodeMirror-selectedtext { background: rgba(243, 155, 53, .7) !important; color: white; }
+
+.cm-s-yonce .cm-keyword { color: #00A7AA; } /**/
+.cm-s-yonce .cm-atom { color: #F39B35; }
+.cm-s-yonce .cm-number, .cm-s-yonce span.cm-type { color:  #A06FCA; } /**/
+.cm-s-yonce .cm-def { color: #98E342; }
+.cm-s-yonce .cm-property,
+.cm-s-yonce span.cm-variable { color: #D4D4D4; font-style: italic; }
+.cm-s-yonce span.cm-variable-2 { color: #da7dae; font-style: italic; }
+.cm-s-yonce span.cm-variable-3 { color: #A06FCA; }
+.cm-s-yonce .cm-type.cm-def { color: #FC4384; font-style: normal; text-decoration: underline; }
+.cm-s-yonce .cm-property.cm-def { color: #FC4384; font-style: normal; }
+.cm-s-yonce .cm-callee { color: #FC4384; font-style: normal; }
+.cm-s-yonce .cm-operator { color: #FC4384; } /**/
+.cm-s-yonce .cm-qualifier,
+.cm-s-yonce .cm-tag { color: #FC4384; }
+.cm-s-yonce .cm-tag.cm-bracket { color: #D4D4D4; }
+.cm-s-yonce .cm-attribute { color: #A06FCA; }
+.cm-s-yonce .cm-comment { color:#696d70; font-style:italic; font-weight:normal; } /**/
+.cm-s-yonce .cm-comment.cm-tag { color: #FC4384 }
+.cm-s-yonce .cm-comment.cm-attribute { color: #D4D4D4; }
+.cm-s-yonce .cm-string { color:#E6DB74; } /**/
+.cm-s-yonce .cm-string-2 { color:#F39B35; } /*?*/
+.cm-s-yonce .cm-meta { color: #D4D4D4; background: inherit; }
+.cm-s-yonce .cm-builtin { color: #FC4384; } /*?*/
+.cm-s-yonce .cm-header { color: #da7dae; }
+.cm-s-yonce .cm-hr { color: #98E342; }
+.cm-s-yonce .cm-link { color:#696d70; font-style:italic; text-decoration:none; } /**/
+.cm-s-yonce .cm-error { border-bottom: 1px solid #C42412; }
+
+.cm-s-yonce .CodeMirror-activeline-background { background: #272727; }
+.cm-s-yonce .CodeMirror-matchingbracket { outline:1px solid grey; color:#D4D4D4 !important; }
diff --git a/src/external/code-mirror5-old.diff b/src/external/code-mirror5-old.diff
new file mode 100644
index 000000000..a27a6291d
--- /dev/null
+++ b/src/external/code-mirror5-old.diff
@@ -0,0 +1,161 @@
+diff --git a/src/external/code-mirror/addon/dialog/dialog.js b/src/external/code-mirror/addon/dialog/dialog.js
+index f10bb5bf1..8dbc9f06b 100644
+--- a/src/external/code-mirror/addon/dialog/dialog.js
++++ b/src/external/code-mirror/addon/dialog/dialog.js
+@@ -11,6 +11,7 @@
+   else // Plain browser env
+     mod(CodeMirror);
+ })(function(CodeMirror) {
++  
+   function dialogDiv(cm, template, bottom) {
+     var wrap = cm.getWrapperElement();
+     var dialog;
+@@ -75,11 +76,12 @@
+         if (e.keyCode == 27 || (options.closeOnEnter !== false && e.keyCode == 13)) {
+           inp.blur();
+           CodeMirror.e_stop(e);
+-          close();
++          close(); 
+         }
+         if (e.keyCode == 13) callback(inp.value, e);
+       });
+-
++        
++      // # HACK
+       if (options.closeOnBlur !== false) CodeMirror.on(inp, "blur", close);
+     } else if (button = dialog.getElementsByTagName("button")[0]) {
+       CodeMirror.on(button, "click", function() {
+diff --git a/src/external/code-mirror/addon/search/search.js b/src/external/code-mirror/addon/search/search.js
+index 753b1afe1..8b2299d7b 100644
+--- a/src/external/code-mirror/addon/search/search.js
++++ b/src/external/code-mirror/addon/search/search.js
+@@ -226,8 +226,14 @@
+             cm.setSelection(cursor.from(), cursor.to());
+             cm.scrollIntoView({from: cursor.from(), to: cursor.to()});
+             confirmDialog(cm, doReplaceConfirm, "Replace?",
+-                          [function() {doReplace(match);}, advance,
+-                           function() {replaceAll(cm, query, text)}]);
++                          [function() {doReplace(match);}, 
++                           advance,
++                           function() {replaceAll(cm, query, text)},
++                           function() {
++                             console.log("stop replace...");
++                             // replacementQueryDialog.remove()
++                           } // STOP
++                          ],);
+           };
+           var doReplace = function(match) {
+             cursor.replace(typeof query == "string" ? text :
+diff --git a/src/external/code-mirror/addon/tern/tern.js b/src/external/code-mirror/addon/tern/tern.js
+index efdf2ed62..2c6a7c0c5 100644
+--- a/src/external/code-mirror/addon/tern/tern.js
++++ b/src/external/code-mirror/addon/tern/tern.js
+@@ -22,8 +22,8 @@
+ // * showError: A function(editor, message) that can be used to
+ //   override the way errors are displayed.
+ // * completionTip: Customize the content in tooltips for completions.
+-//   Is passed a single argument—the completion's data as returned by
+-//   Tern—and may return a string, DOM node, or null to indicate that
++//   Is passed a single argument—the completion's data as returned by
++//   Tern—and may return a string, DOM node, or null to indicate that
+ //   no tip should be shown. By default the docstring is shown.
+ // * typeTip: Like completionTip, but for the tooltips shown for type
+ //   queries.
+@@ -259,7 +259,7 @@
+       } else {
+         var tip = elt("span", null, elt("strong", null, data.type || "not found"));
+         if (data.doc)
+-          tip.appendChild(document.createTextNode(" — " + data.doc));
++          tip.appendChild(document.createTextNode(" — " + data.doc));
+         if (data.url) {
+           tip.appendChild(document.createTextNode(" "));
+           var child = tip.appendChild(elt("a", null, "[docs]"));
+diff --git a/src/external/code-mirror/lib/codemirror.js b/src/external/code-mirror/lib/codemirror.js
+index 3e0cc2b24..dbf01262c 100644
+--- a/src/external/code-mirror/lib/codemirror.js
++++ b/src/external/code-mirror/lib/codemirror.js
+@@ -1269,7 +1269,7 @@ function hasBadBidiRects(measure) {
+ 
+ // See if "".split is the broken IE version, if so, provide an
+ // alternative way to split lines.
+-var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
++var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string){ 
+   var pos = 0, result = [], l = string.length
+   while (pos <= l) {
+     var nl = string.indexOf("\n", pos)
+@@ -4063,6 +4063,10 @@ function updateDisplayIfNeeded(cm, update) {
+   display.renderedView = display.view
+   // There might have been a widget with a focused element that got
+   // hidden or updated, if so re-focus it.
++  
++  // #DEV
++  // console.log("[cm] /update_display focuse and activeElt", focused, activeElt() )
++  
+   if (focused && activeElt() != focused && focused.offsetHeight) { focused.focus() }
+ 
+   // Prevent selection and cursors from interfering with the scroll
+@@ -9105,6 +9109,9 @@ CodeMirror.defineDocExtension = function (name, func) {
+ CodeMirror.fromTextArea = fromTextArea
+ 
+ addLegacyProps(CodeMirror)
++  
++// Lively Hacks
++CodeMirror.posToDOM = posToDOM 
+ 
+ CodeMirror.version = "5.23.0"
+ 
+diff --git a/src/external/code-mirror/mode/htmlmixed/htmlmixed.js b/src/external/code-mirror/mode/htmlmixed/htmlmixed.js
+index eb21fcc14..21ddb4002 100644
+--- a/src/external/code-mirror/mode/htmlmixed/htmlmixed.js
++++ b/src/external/code-mirror/mode/htmlmixed/htmlmixed.js
+@@ -3,7 +3,7 @@
+ 
+ (function(mod) {
+   if (typeof exports == "object" && typeof module == "object") // CommonJS
+-    mod(require("../../lib/codemirror"), require("../xml/xml"), require("../javascript/javascript"), require("../css/css"));
++    mod(require("../../lib/codemirror"), require("../xml/xml"), require("../javascript/javascript"),require("../jsx/jsx"), require("../css/css"));
+   else if (typeof define == "function" && define.amd) // AMD
+     define(["../../lib/codemirror", "../xml/xml", "../javascript/javascript", "../css/css"], mod);
+   else // Plain browser env
+@@ -13,8 +13,8 @@
+ 
+   var defaultTags = {
+     script: [
+-      ["lang", /(javascript|babel)/i, "javascript"],
+-      ["type", /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^$/i, "javascript"],
++      ["lang", /(javascript|babel)/i, "jsx"],
++      ["type", /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^$/i, "jsx"],
+       ["type", /./, "text/plain"],
+       [null, null, "javascript"]
+     ],
+diff --git a/src/external/code-mirror/mode/markdown/markdown.js b/src/external/code-mirror/mode/markdown/markdown.js
+index 1aeb34414..c9193298f 100644
+--- a/src/external/code-mirror/mode/markdown/markdown.js
++++ b/src/external/code-mirror/mode/markdown/markdown.js
+@@ -224,16 +224,19 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
+   }
+ 
+   function htmlBlock(stream, state) {
++    
+     var style = htmlMode.token(stream, state.htmlState);
+     if (!htmlModeMissing) {
+       var inner = CodeMirror.innerMode(htmlMode, state.htmlState)
+-      if ((inner.mode.name == "xml" && inner.state.tagStart === null &&
+-           (!inner.state.context && inner.state.tokenize.isInText)) ||
+-          (state.md_inside && stream.current().indexOf(">") > -1)) {
+-        state.f = inlineNormal;
+-        state.block = blockNormal;
+-        state.htmlState = null;
+-      }
++      
++      // #JSX in Script tag requires to disable this
++      // if ((inner.mode.name == "xml" && inner.state.tagStart === null &&
++      //      (!inner.state.context && inner.state.tokenize.isInText)) ||
++      //     (state.md_inside && stream.current().indexOf(">") > -1)) {
++      //   state.f = inlineNormal;
++      //   state.block = blockNormal;
++      //   state.htmlState = null;
++      // }
+     }
+     return style;
+   }