Revert "More doc tweaks... (#1053)"

This reverts commit 43bf158.

mathics/__init__.py

@@ -29,7 +29,6 @@
 optional_software: Dict[str, str] = (
     "cython",
     "lxml",
-    "matplotlib",
     "networkx",
     "nltk",
     "psutil",
@@ -41,11 +40,7 @@
 for package in optional_software:
     try:
         mod = import_module(package)
-        package_version = (
-            mod.__version__
-            if hasattr(mod, "__version__")
-            else mod.__dict__.get("__version__", "No version information")
-        )
+        package_version = mod.__dict__.get("__version__", "No version information")
     except ImportError:
         package_version = "Not installed"
 

mathics/doc/documentation/1-Manual.mdoc

@@ -2,10 +2,10 @@
 <chapter title="Introduction">
 
 \Mathics is a <url>:computer algebra
-system:https://en.wikipedia.org/wiki/Computer_algebra_system</url>. It \
-is a free, open-source alternative to \Mathematica or the \Wolfram \
-Language. However, \Mathics builds around and on top of the Python \
-ecosystem of libraries and tools. So in a sense, you can think of it \
+system:https://en.wikipedia.org/wiki/Computer_algebra_system</url>. It
+is a free, open-source alternative to \Mathematica or the \Wolfram
+Language. However, \Mathics builds around and on top of the Python
+ecosystem of libraries and tools. So in a sense, you can think of it
 as a WMA front-end to the Python ecosystem of tools.
 
 \Mathics is free both as in "free beer" but also, more importantly, as in "freedom". \Mathics can be run locally. But to facilitate installation of the vast amount of software need to run this, there is a <url>:docker image available on dockerhub: https://hub.docker.com/r/mathicsorg/mathics</url>.
@@ -18,7 +18,7 @@ See the <url>:installation instructions: https://mathics-development-guide.readt
 
 For implementation details, plrease refer to the <url>:Developers Guide:https://mathics-development-guide.readthedocs.io/en/latest/</url>.
 
-<section title="Why try to recreate Wolfram Language?">
+<section title="Why a CAS based on Wolfram Language?">
 \Mathematica is great, but it a couple of disadvantages.
 
 <ul>

mathics/doc/latex/doc2latex.py

@@ -27,7 +27,7 @@
 from sympy import __version__ as SymPyVersion
 
 import mathics
-from mathics import __version__, settings, version_info, version_string
+from mathics import __version__, settings, version_string
 from mathics.core.definitions import Definitions
 from mathics.core.load_builtin import import_and_load_builtins
 from mathics.doc.latex_doc import LaTeXMathicsDocumentation
@@ -89,7 +89,6 @@ def try_cmd(cmd_list: tuple, stdout_or_stderr: str) -> str:
         ["GhostscriptVersion", ("gs", "--version"), "stdout"],
     ):
         versions[name] = try_cmd(cmd, field)
-    versions.update(version_info)
     return versions
 
 

mathics/doc/latex/mathics.tex

@@ -309,26 +309,16 @@ \part*{Appendices}
 % Add this into table of contents
 % The page reference may come out wrong and refer to the index.
 % If so, adjust by hand, or diff file.
-  \addcontentsline{toc}{chapter}{Colophon}
-
+\addcontentsline{toc}{chapter}{Colophon}
 \begin{description}
-  \item[Mathics3 Core] \hfill \MathicsCoreVersion
+  \item[Mathics3 Core] \hfill \\ \MathicsCoreVersion
   \item[Python] \hfill \\ \PythonVersion
+  \item[mpmath] \hfill \\ \mpmathVersion
+  \item[NumpyPy] \hfill \\ \NumPyVersion
+  \item[SymPy] \hfill \\ \SymPyVersion
   \item[XeTeX] \hfill \\ \XeTeXVersion
   \item[Asymptote] \hfill \\ \AsymptoteVersion
-  \item[mpmath] \hfill  \mpmathVersion
-  \item[NumpyPy] \hfill  \NumPyVersion
-  \item[SymPy] \hfill  \SymPyVersion
-  \item[Ghostscript] \hfill  \GhostscriptVersion
-  \item[cython] \hfill  \cython
-  \item[lxml] \hfill  \lxml
-  \item[matplotlib] \hfill  \matplotlib
-  \item[networkx] \hfill  \networkx
-  \item[psutil] \hfill \psutil
-  \item[skimage] \hfill  \skimage
-  \item[scipy] \hfill  \scipy
-  \item[wordcloud] \hfill  \wordcloud
+  \item[Ghostscript] \hfill \\ \GhostscriptVersion
 \end{description}
-
 \end{colophon}
 \end{document}