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Re: using non-Emacs regexp syntax


From: Stefan Monnier
Subject: Re: using non-Emacs regexp syntax
Date: Thu, 30 Nov 2006 09:26:55 -0500
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.91 (gnu/linux)

> Juri proposed a simple implementation: 'setting a new variable
> `search-dot-regexp' to "\\(.\\|[\\n]\\)".'

There's already a much more efficient implementation.  See regex.h:

   /* If this bit is set, then . matches newline.
      If not set, then it doesn't.  */
   #define RE_DOT_NEWLINE (RE_CONTEXT_INVALID_OPS << 1)


-- Stefan




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