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bug#35571: bug#35696: preview-latex does not work under any Emacs themes

From: David Kastrup
Subject: bug#35571: bug#35696: preview-latex does not work under any Emacs themes and bug#35571: 12.1; Changing foreground breaks previews
Date: Mon, 27 May 2019 10:56:56 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Ikumi Keita <address@hidden> writes:

>>>>>> David Kastrup <address@hidden> writes:
>>> Are you thinking that it isn't fruitful to follow up the development of
>>> ghostscript every time incompatible change is introduced?
>> No since the changes tend to be completely arbitrary.  It's absolutely
>> not fruitful but exasperating.  That doesn't mean that it's not
>> necessary.
>> In this particular case, this is partly related to _not_ using
>> GhostScript as PDF interpreter but instead using pdftodsc and then
>> working with the resulting not-quite-standard PostScript.  This
>> minimises the amount of knowledge and code required to make this work
>> but necessitates working with interfaces of Ghostscript that its
>> developers feel no obligation to provide some consistency for.
>> Changing the operation in a manner foregoing pdftodsc would likely make
>> preview-latex less vulnerable to this kind of recurring API change.
> I infer from what you wrote that you don't have intent to fix the
> problem for yourself, at least for now.  Right?

It never was a problem for myself since my windows are black on white.
This code is for people who expect preview-latex to do something more
useful than the default on other setups.

David Kastrup

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