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bug#25451: 24.5; Freeze after while-keyword in sh-mode


From: Elias Schwerdtfeger
Subject: bug#25451: 24.5; Freeze after while-keyword in sh-mode
Date: Sun, 15 Jan 2017 00:05:55 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1

Am 14.01.2017 um 23:37 schrieb Noam Postavsky:
> I'm sure what this means, and I'm not able to reproduce this.
>

That's really strange. I can't reproduce it now.

A few hours ago I reproduced the bug five times, before I decided to
file it as the first bug I found in nearly twenty years. Of course I
killed emacs every time, before I used text-mode.

It is not as simple as I thought first, and together with its
reproducibility any chance of analyzing and fixing the bug has gone. I
suggest closing this issue.

> Can you reproduce it by just copying that text into a sh-mode buffer,
> or does it only happen while typing?

The first time I encountered the problem, it happened while I was
typing. In all of my reproductions it happened after opening or
recovering the file, when the mark reached the line with 'while'.

Both is possible without freezing Emacs now, and I don't know why. Today
is a good day for a RAM check.

(Sometimes, that data processing is eerily voodoo-like and noone
understands what is going on.)

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