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From: | arnold |
Subject: | Re: [bug-gawk] In Regexps, Extra (Unmatched) Closing Parentheses Does Not Produce Error Message, Treated Literally |
Date: | Mon, 10 Jun 2019 07:41:34 -0600 |
User-agent: | Heirloom mailx 12.5 7/5/10 |
Wolfgang Laun <address@hidden> wrote: > gawk maintainers: > There might be one argument for indicating an error for an unmatched > closing parenthesis: pairs of parentheses can be nested, and this makes a > stray ')' easy to overlook. (At least /usr/bin/mawk does this.) This is down in the guts of the dfa and regex matchers; that code comes from GNULIB and isn't easy to modify. To the point that I won't even think about looking into it. Mawk has its own writen-from-scratch regexp matcher and so can do that kind of thing. Arnold
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