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Re: Emacs-like file buffers

From: Kevin Ryde
Subject: Re: Emacs-like file buffers
Date: Tue, 09 May 2006 09:42:12 +1000
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux)

Rob Browning <address@hidden> writes:
> I would really like to see Guile provide a fixed regular expression
> format, one that doesn't vary depending on what the build platform has
> available.  Without that, you cannot write scripts that are portable,
> at least not with respect to regular expressions.

If you assume you've got mostly posix then it's not too bad is it?

>   - How is the addition of support for Unicode likely to affect any
>     regular expression or buffer work?

You actually get utf8 or whatever matching already if you "setlocale"
into such a charset.  A bit of a trap if your strings are in one
charset and it's being interpreted in another.

>   - What well-known form of regular expressions should be chosen -
>     POSIX, Emacs, Perl?

The perl way has its fans.  I guess an add-on that let you get that
instead or as well as the basic posix bits might be cute.

>   - Is it acceptable to add an external dependency for regular
>     expression suppport,

It might have to be LGPL to maintain that status on the resulting

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