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Re: redisplay - very long lines

From: Eli Zaretskii
Subject: Re: redisplay - very long lines
Date: Thu, 19 Feb 2009 06:15:35 +0200

> Date: Wed, 18 Feb 2009 21:41:32 +0100
> From: grischka <address@hidden>
> CC:  address@hidden
> The buffer text itself is not the only data to control the display, there
> are also properties that refer to regions of that text, and in fact that
> is the part that matters here.  It is certainly possible to check for at
> least the presence of extra properties in a line without walking each
> character one by one.

AFAIR, Emacs display code already includes this optimization.

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