CTAN has a new package: labelcas

[CTAN Announcements]

A new package has been installed at tug.ctan.org and should soon make
its way to your favorite mirror.

Thank you
Jim Hefferon

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The following information was provided by the package's contributor.

Name of contribution: labelcas
Author's name: Ulrich Diez
Location on CTAN: /macros/latex/contrib/labelcas
Summary description: check label-existence and fork properly
License type: lppl

Announcement text given by the package's contributor:
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labelcas - check label-existence and fork properly

This LaTeX2e-package provides macros "\eachlabelcase" and
"\lotlabelcase" as a means of forking dependent on whether
specific referencing-labels exist in the current document.
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See this package at 
  http://tug.ctan.org/tex-archive/macros/latex/contrib/labelcas
.  You may get a better network connection by using a CTAN mirror
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