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Re: --with-wide-int

From: Paul Eggert
Subject: Re: --with-wide-int
Date: Mon, 28 Nov 2011 23:35:51 -0800
User-agent: Mozilla/5.0 (X11; Linux i686; rv:8.0) Gecko/20111124 Thunderbird/8.0

On 11/28/11 08:52, Stefan Monnier wrote:
> I'd be surprised if non-simple edits (e.g. insertion of enough text to
> overflow the gap and force a reallocation) works at all.

It'd have to be a bit more complex than that.
(insert-char ?\n (1+ (gap-size)))
worked just fine on that nearly-2GB file,
and I later typed additional randomish text without
trouble (this is on 32-bit Emacs configured --with-wide-int).

One can easily come up with the more-complex edits
that will make Emacs run out of memory editing that file,
but these problems are not unknown with a 500 MB limit as well.
Users who skate that close to memory's edge
already understand that there are limits.  It's nicer
to have the edge be at 2 GB rather than 500 MB.

I typically want just read-only access to large text
files, and support for more-complex edits isn't
so high a priority.

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