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- Subject: Re: Emacs lua-mode.el mod for definition of word
- From: Miles Bader <miles@...>
- Date: Fri, 05 Dec 2008 09:47:17 +0900
Doug Rogers <email@example.com> writes:
> I've used Emacs' lua-mode for a long time and often wondered why '_' was
> included in the definition of a word. This is unlike the other
> programming language modes I've used.
This is one of the biggest problems with the current lua-mode in my
opinion. The distinction between words and symbols is heavily ingrained
into many users' editing habits, and modes which break that can be
> So I looked at the source and found the following lines in
> /usr/share/emacs/site-lisp/lua-mode/lua-mode.el (Linux):
> ;; _ needs to be part of a word, or the regular expressions will
> ;; incorrectly regognize end_ to be matched by "\\<end\\>"!
> (modify-syntax-entry ?_ "w")
In a modern version of emacs, the right way to match symbol
beginnings/ends instead of word begs/ends, is to use the \_< and \_> regexp
constructs, e.g. "\\_<end\\_>".
Alliance, n. In international politics, the union of two thieves who have
their hands so deeply inserted in each other's pockets that they cannot
separately plunder a third.