[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: address@hidden: redisplay abort if GLYPH_DEBUG turned on]

From: Kim F. Storm
Subject: Re: address@hidden: redisplay abort if GLYPH_DEBUG turned on]
Date: Thu, 06 Jan 2005 22:55:48 +0100
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/21.3.50 (gnu/linux)

Miles Bader <address@hidden> writes:

> address@hidden (Kim F. Storm) writes:
>> There are other places which set stop_charpos to 0, so
>> there is IT_CHARPOS <= stop_charpos is not an invariant.
>> So Miles' change to the xassert is ok.  But the comment need to be modified 
>> as well. 
> The thing that makes me nervous is that there seem to also be other
> similar xasserts, e.g. [xdisp.c:2727]:
>   xassert (STRINGP (it->string)
>          || (it->stop_charpos >= BEGV
>              && it->stop_charpos >= IT_CHARPOS (*it)));
> and [xdisp.c:4068]:
>       xassert (it->stop_charpos >= BEGV
>              && it->stop_charpos <= it->end_charpos);
> implying that there _are_ some sorts of rules for stop_charpos, but I
> have no idea what they are.  [I haven't had any crashes involving these
> other xasserts.]

You may be right -- perhaps there is a different way to fix the original
problem...   I will look into it.

Kim F. Storm <address@hidden> http://www.cua.dk

reply via email to

[Prev in Thread] Current Thread [Next in Thread]