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Re: Converting compositions to strings

From: Stefan Monnier
Subject: Re: Converting compositions to strings
Date: Tue, 31 Jan 2017 09:31:24 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

> I think if we want to be able to produce text with all the text
> properties and overlays expressed explicitly as text, we need to write
> a back-end for xdisp.c that "displays" to a buffer.  It shouldn't be
> hard, the number of interface routines a back-end needs to support is
> not large; see 'struct redisplay_interface' in dispextern.h.

And IIRC it was mentioned that it would be helpful for some ERT tests
(and even more so, if it can render the whole screen, so we can test
the appearance of the modeline and headerline as well).


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