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Re: Nested display strings

From: Stefan Monnier
Subject: Re: Nested display strings
Date: Tue, 26 Apr 2011 09:53:04 -0300
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

>> So I think the best behavior is to detect the situation and signal
>> some kind of warning/error (and behave in whichever way is most
>> convenient for the C code).
> I don't think there is a non-obnoxious way for redisplay to emit errors
> or warnings in such a situation.

It's tricky, indeed since redisplay will be performed repeatedly an will
tend to signal such warnings over and over again.  A good/natural way
for redisplay to signal such problems would be to display them directly
in the window (e.g. insert some threatening question mark or some such,
ideally with mouse-over highlighting and a help-echo-like text
explaining the problem).


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