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bug#39927: 12.2; preview-latex gs treatment off by one

From: Ikumi Keita
Subject: bug#39927: 12.2; preview-latex gs treatment off by one
Date: Thu, 07 Jan 2021 21:17:10 +0900

Hi Itaï, Luke, Braun,

Sorry for late response. It seems that I managed to fix the bug of
preview-latex you reported before. I don't speak Postscript and the fix
is totally heuristic, but it simply works, at least for me.

The attached patch removes a newline in the middle of initial string
sent to ghostscript. This newline was interpreted as a delimeter as
ghostscript, thus ghostscript responded twice to the initial string, if
my speculation is right, which led to a spurious prompt from

Could you please test whether this patch fixes the problem on your side
if possible?

Best regards,
Ikumi Keita

Attachment: patch
Description: remove newline to suppress additional GS prompt

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