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bug#7117: 23.2.2 mangles terminal escape sequences


From: Stefan Monnier
Subject: bug#7117: 23.2.2 mangles terminal escape sequences
Date: Mon, 27 Sep 2010 22:52:44 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux)

> Steps to reproduce:

>   1. ssh to a machine with emacs-23 installed (I suspect slower
>      networks would expose this more, but the bug bites me even over
>      intranet)
>   2. compile tee-input.c (see below) into a shared library (on solaris:
>      `cc -g -G -xcode=pic13 -ldl -hlibtee-input.so tee-input.c -g -o
>      libtee-input.so')
>   3. invoke `LD_PRELOAD=libtee-input.so emacs -nw -Q 2>input.txt'
>   4. M-x xterm-mouse-mode
>   5. flick the mouse scroll wheel hard, so it generates many ticks in
>      quick succession (note the garbage that results)
>   6. M-x show-lossage (note the mangled escape sequences)
>   7. C-x C-c
>   8. Examine input.txt (note the intact escape sequences)

Does (set-keyboard-coding-system 'binary) circumvent the problem?


        Stefan





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