K 10
svn:author
V 3
hrs
K 8
svn:date
V 27
2008-11-19T18:06:29.378455Z
K 7
svn:log
V 271
MFC: Add workaround for a back reference when no corresponding
parenthesized subexpression is defined.  For example, the
following command line caused unexpected behavior like
segmentation fault:

 % echo test | sed -e 's/test/\1/'

Approved by:	re (kib)
PR:		bin/126682

END