Fix bhollis/issues/145

distler · Jul 23, 2022 · 97c0489 · 97c0489
1 parent 5887163
commit 97c0489
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/lib/maruku/ext/math/parsing.rb b/lib/maruku/ext/math/parsing.rb
@@ -99,7 +99,9 @@ def is_math_enabled?
   :regexp => RegEqref,
   :handler => lambda do |doc, src, con|
     return false unless doc.is_math_enabled?
-    eqid = src.read_regexp(RegEqref).captures.compact.first
+    foo = src.read_regexp(RegEqref)
+    return false unless foo
+    eqid = foo.captures.compact.first
     con.push doc.md_el(:eqref, [], :eqid => eqid)
     true
   end)
@@ -111,7 +113,9 @@ def is_math_enabled?
   :regexp => RegRef,
   :handler => lambda do |doc, src, con|
     return false unless doc.is_math_enabled?
-    refid = src.read_regexp(RegRef).captures.compact.first
+    foo = src.read_regexp(RegRef)
+    return false unless foo
+    refid = foo.captures.compact.first
     con.push doc.md_el(:divref, [], :refid => refid)
     true
   end)
@@ -123,7 +127,9 @@ def is_math_enabled?
   :regexp => RegCite,
   :handler => lambda do |doc, src, con|
     return false unless doc.is_math_enabled?
-    cites = src.read_regexp(RegCite).captures.compact.first.split(/\s*,\s*/)
+    foo = src.read_regexp(RegCite)
+    return false unless foo
+    cites = foo.captures.compact.first.split(/\s*,\s*/)
     con.push doc.md_el(:citation, [], :cites => cites)
     true
   end)