YASnippet is a template system for Emacs. It allows you to type an
abbreviation and automatically expand it into function templates.

Bundled language templates includes: C, C++, C#, Perl, Python, Ruby,
SQL, LaTeX, HTML, CSS and more. The snippet syntax is inspired from
TextMate's syntax, you can even import most TextMate templates to
YASnippet.

WWW: http://code.google.com/p/yasnippet/