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+====== Syntax Coloring of Source Code ======
+Trac supports language-specific syntax highlighting of source code in [[:WikiFormatting|wiki formatted]] text and the [[:TracBrowser|repository browser]].
+To do this, Trac uses external libraries with support for a great number of programming languages.
+Currently Trac supports syntax coloring using one or more of the following packages:
+  * [[http://www.codento.com/people/mtr/genscript/|GNU Enscript]]
+  * [[http://silvercity.sourceforge.net/|SilverCity]]
+To activate syntax coloring, simply install either one (or more) of these packages. No additional configuration is required, however to modify the colors, have a look at `trac/htdocs/css/code.css`.
+When in use, Trac will automatically prioritize SilverCity highlighting over Enscript if possible, (see note below).
+If neither package is available, Trac will display the data as plain text.
+**Note:** Enscript supports a greater number of languages, however SilverCity is generally faster since it is a library and isn't executed in an external process.
+==== About SilverCity ====
+SilverCity uses the lexer from [[http://www.scintilla.org/|Scintilla]]. Scintilla supports more languages than SilverCity implements. If you want to add a language to SilverCity supported by Scintilla, it's not very difficult. See [[http://projects.edgewall.com/trac/wiki/SilverCityAddLanguage|SilverCityAddLanguage]] for some information how.
+===== Syntax Coloring Support =====
+| | SilverCity | Enscript |
+| Ada      |   | X |
+| Asm      |   | X |
+| * ASP    | X | X |
+| * C      | X | X |
+| * C#     |   | X(2) |
+| * C++    | X | X |
+| * Java   |   | X |
+| Awk      |   | X |
+| CSS      | X |   |
+| Diff     |   | X |
+| Eiffel   |   | X |
+| Elisp    |   | X |
+| Fortran  |   | X |
+| Haskell  |   | X |
+| HTML     | X | X |
+| IDL      |   | X |
+| Javascript | X | X |
+| m4       |   | X |
+| Makefile |   | X |
+| Matlab   |   | X |
+| Objective-C| | X |
+| Pascal   |   | X |
+| * Perl   | X | X |
+| * PHP    | X | X |
+| PSP      | X |   |
+| Pyrex    |   | X |
+| * Python | X | X |
+| * Ruby   | X | X (1) |
+| Scheme   |   | X |
+| Shell    |   | X |
+| SQL      | X | X |
+| Troff    |   | X |
+| TCL      |   | X |
+| Tex      |   | X |
+| Verilog  |   | X |
+| VHDL     |   | X |
+| Visual Basic | | X |
+| VRML     |   | X |
+| XML      | X |  |
+//(*) Supported as inline code blocks in [[:WikiFormatting|Wiki text]] using WikiProcessors.//
+''(1) Ruby highlighting is not included in the Enscript distribution.  Highlighting rules for Ruby can be obtained from: http://neugierig.org/software/ruby/
+''(2) C# highlighting is not included in the Enscript distribution.  Highlighting rules for C# can be obtained from: http://wiki.hasno.info/index.php/Csharp.st
+===== Extra Software =====
+  * GNU Enscript -- http://directory.fsf.org/GNU/enscript.html
+  * GNU Enscript for Windows -- http://gnuwin32.sourceforge.net/packages/enscript.htm
+  * SilverCity -- http://silvercity.sf.net/
+----
+See also: WikiProcessors, WikiFormatting, TracWiki, TracBrowser