Follow-up Comment #9, sr #110657 (project autoconf):
[comment #8 comment #8:]
> there is another way than -e to escape that dash: simply put a pair of
parenthesis around the search string:
>
> egrep '(-z)' </etc/profile
That won't work if the pattern contains back-references, since it'll mess up
the numbering. However, we can prepend '.?' to the pattern; this should work.
How about the attached patch instead?
(file #53284)
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Additional Item Attachment:
File name: 0001-Fix-bug-AC_EGREP_CPP-with-leading-in-pattern.patch Size:3 KB
<https://file.savannah.gnu.org/file/0001-Fix-bug-AC_EGREP_CPP-with-leading-in-pattern.patch?file_id=53284>
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