CTAN has a new package: showexpl

[CTAN Announcements]

On Sun, 26 Mar 2006, Rolf Niepraschk submitted the new package

  showexpl

to CTAN.

This package provides a way to typeset LaTeX source code and the related 
result in the same document.

Location on CTAN: /macros/latex/contrib/showexpl
Summary description: Typesetting LaTeX source code
License type: lppl

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Thanks for the upload.

For the CTAN Team
  Rainer Schöpf