[SCM] GNU M4 source repository branch, argv_ref, deleted. branch-cvs-readonly-38-gb2ab543

[Eric Blake]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
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http://git.sv.gnu.org/gitweb/?p=m4.git;a=commitdiff;h=0000000000000000000000000000000000000000

The branch, argv_ref has been deleted
       was  b2ab5437f34b06e1a41def56a9bd3f5097ead0d3

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b2ab5437f34b06e1a41def56a9bd3f5097ead0d3 Stage18: avoid extra references in 
argv recursion
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