|
From: | Роман Донченко |
Subject: | Re: [bug #37737] Contained subexpressions don't follow POSIX |
Date: | Thu, 15 Nov 2012 02:29:37 +0400 |
User-agent: | Opera Mail/12.10 (Win64) |
For reference, on Cygwin (where m4 uses gnulib's regex engine, rather than glibc's) I get correct behavior: $ printf %s 'regexp(abab, \(a\(b\)*\)*\2, \&-\1-\2)' | m4 -1
That's interesting, because I don't: $ uname -sr CYGWIN_NT-6.1-WOW64 1.7.17(0.262/5/3) $ m4 --version m4 (GNU M4) 1.4.16 Packaged by Cygwin (1.4.16-1) (etc, etc) $ printf %s 'regexp(abab, \(a\(b\)*\)*\2, \&-\1-\2)' | m4 abab-a-bIn fact, Cygwin was where I did the test in the OP (although I've previously observed the bug on Linux, too).
[Prev in Thread] | Current Thread | [Next in Thread] |