CTAN has a new package: robustcommand

[CTAN Announcements]

Paul Ebermann has uploaded a number of new packages of which this is the
first.  It has been installed on tug.ctan.org and should soon be at your
favorite mirror.

Thank you,
Jim

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

Name of contribution: robustcommand
Author's name: Paul Ebermann
Location on CTAN: /macros/latex/contrib/robustcommand
Summary description: robustcommand - \DeclareRobustCommand-variant with 
  error checking
License type: lppl

Announcement text given by the package's contributor:
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LaTeX-package 'robustcommand' - a variation of \DeclareRobustCommand, 
 which checks that the command is not yet defined.

So you don't mistakenly redefine already defined commands.
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See this package at 
  http://tug.ctan.org/tex-archive/macros/latex/contrib/robustcommand
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