CTAN has a new package: exp-testopt

[CTAN Announcements]

On Fri, 6 Mar 2009 Paul Ebermann submitted the new package

  exp-testopt

to CTAN.

Location on CTAN: /macros/latex/contrib/exp-testopt
Summary description: an expandable variant of \@testopt
License type: lppl

Announcement text: 
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This package provides an expandable variant of the LaTeX
kernel command \@testopt, named \@expandable at testopt, and
a more general \@expandable at ifopt, both intended for package
writers. Also we have a variant of \newcommand which
uses these macros to check for optional arguments.

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This package is located at 
   http://mirror.ctan.org/macros/latex/contrib/exp-testopt
.  More information is at
   http://tug.ctan.org/info/?id=exp-testopt
(if the package is new it may take a day for that information to 
appear).  We are supported by the TeX Users Group http://www.tug.org .  
Please join a users group; see http://www.tug.org/usergroups.html .
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Thanks for the upload.

For the CTAN Team
  Rainer Schöpf