bug#6058: 22 and 23: yanking unreliable in telnet-mode

[David Reitter]

This seems to be in Emacs 22 (Carbon) as well as Emacs 23 (NS).

Begin forwarded message:

> From: Warren Harris <warrensomebody@gmail.com>
> Date: April 27, 2010 6:41:53 PM EDT
> To: Bug reports for Aquamacs Emacs <aquamacs-bugs@aquamacs.org>
> Cc: David Reitter <david.reitter@gmail.com>
> Subject: Re: [Aquamacs-bugs] text becomes mangled in telnet mode
> 
> [resend]
> 
> This problem still persists in 2.0b5 and the nightly build from 4/22.
> 
> Warren
> 
> On Jan 13, 2010, at 11:49 AM, David Reitter wrote:
> 
>> Warren,
>> this should not occur at all, of course.
>> Could you please try this with a nightly build of Aquamacs (save and move 
>> away your customizations, please), so I can forward your bug report to the 
>> Emacs maintainers?
>> 
>> Thanks
>> - David
>> 
>> 
>> On Jan 5, 2010, at 3:46 PM, Warren Harris wrote:
>> 
>>> I regularly bring up telnet sessions under Aquamacs (with M-x telnet). This 
>>> is nice because I can paste a large multiline block of text into the buffer 
>>> and edit it before positioning my cursor at the end, and hitting return to 
>>> submit it to the remote process. However, after submitting it, the text in 
>>> the buffer that was submitted often becomes badly mangled -- large chunks 
>>> of it seem to be dropped out, or pieces get rearranged somehow. It is not 
>>> possible to cut&paste it any more since it is now irreparably changed 
>>> (although the previously submitted text can be yanked back with M-p 
>>> (creating a new block at the cursor location)).
>>> 
>>> I've gotten used to dealing with this behavior over time, but last night I 
>>> saw a very similar problem in my shell window too. I ran a command that 
>>> produced a considerable amount of output including utf-8 characters. 
>>> Scrolling back through the output in my buffer showed many display glitches 
>>> -- text was arbitrary dropped out in places or rearranged. However, in this 
>>> case, C-l was able to restore the correct text (so perhaps this is a 
>>> different problem -- display bug rather than the text in the buffer 
>>> actually being munged as it is telnet windows).
>>> 
>>> Warren
>>> 
>>> 
>>> In GNU Emacs 22.3.1 (i386-apple-darwin9.8.0, Carbon Version 1.6.0)
>>> of 2009-09-29 on braeburn.aquamacs.org - Aquamacs Distribution 1.9
>>> Windowing system distributor `Apple Inc.', version 10.5.8
>>> configured using `configure  '--without-x' '--prefix=/usr/local' 
>>> 'CFLAGS=-DMAC_OS_X_VERSION_MIN_REQUIRED=1040 -g -O9 -mtune=nocona -pipe 
>>> -fomit-frame-pointer''
>>> 
>>> Important settings:
>>> value of $LC_ALL: nil
>>> value of $LC_COLLATE: nil
>>> value of $LC_CTYPE: nil
>>> value of $LC_MESSAGES: nil
>>> value of $LC_MONETARY: nil
>>> value of $LC_NUMERIC: nil
>>> value of $LC_TIME: nil
>>> value of $LANG: nil
>>> locale-coding-system: iso-8859-1
>>> default-enable-multibyte-characters: t
>>> 
>>> Major mode: Shell
>>> 
>>> Minor modes in effect:
>>> shell-dirtrack-mode: t
>>> savehist-mode: t
>>> smart-frame-positioning-mode: t
>>> aquamacs-autoface-mode: t
>>> global-visual-line-mode: t
>>> visual-line-mode: t
>>> recentf-mode: t
>>> encoded-kbd-mode: t
>>> osx-key-mode: t
>>> show-paren-mode: t
>>> delete-selection-mode: t
>>> pc-selection-mode: t
>>> cua-mode: t
>>> tooltip-mode: t
>>> mouse-wheel-mode: t
>>> menu-bar-mode: t
>>> file-name-shadow-mode: t
>>> global-font-lock-mode: t
>>> font-lock-mode: t
>>> blink-cursor-mode: t
>>> unify-8859-on-encoding-mode: t
>>> utf-translate-cjk-mode: t
>>> auto-compression-mode: t
>>> column-number-mode: t
>>> line-number-mode: t
>>> transient-mark-mode: t
>>> 
>>> Recent input:
>>> <help-echo> C-x C-f L i b <tab> A p <tab> <M-backspace>
>>> <M-backspace> L i b <tab> P r e <tab> A q <tab> / <tab>
>>> <tab> P r e <tab> <return> C-x C-f <return> C-n C-n
>>> C-n C-n C-n f C-s b a r C-s C-s C-s C-s C-s C-s C-s
>>> C-a C-x 3 C-x C-b C-x o C-n C-n C-n C-p C-p f C-n f
>>> C-n C-n C-n C-e C-a C-x k <return> C-n f C-x k <return>
>>> C-n f C-x k <return> C-p C-p C-p C-p f C-x k <return>
>>> C-p f C-x k <return> <help-echo> <down-mouse-1> <mouse-1>
>>> C-a <f5> <menu-bar> <help-menu> <bug-diagnosis> <send-emacs-bug-report>
>>> <wheel-down> <double-wheel-down> <triple-wheel-down>
>>> <wheel-up> <double-wheel-up> <triple-wheel-up> <triple-wheel-up>
>>> <S-return> <A-return> <A-S-return> <A-S-return> <menu-bar>
>>> <help-menu> <bug-diagnosis> <send-emacs-bug-report>
>>> <menu-bar> <help-menu> <bug-diagnosis> <send-emacs
>>> -bug-report>
>>> 
>>> Recent messages:
>>> Mark set [2 times]
>>> Sending...
>>> Loading mailclient...done
>>> Loading browse-url...done
>>> Sending...done
>>> byte-code: Beginning of buffer
>>> Press <A-S-return> to exit full screen editing.
>>> Truncate long lines disabled
>>> Mark set [2 times]
>>> Sending...done
>>> 
>>> Command line: (/Applications/Aquamacs Emacs.app/Contents/MacOS/Aquamacs 
>>> Emacs)
>>> 
>>> PATH: 
>>> /Users/warren/metaweb/mwbuild3/_work/gd/graphutil:/opt/local/bin:/Users/warren/bin:/Users/warren/godi/bin:/Users/warren/godi/sbin:/usr/local/bin:/opt/local/lib/postgresql83/bin:/sw/bin:/Users/warren/metaweb/mwbuild3/_work/gd/graphutil:/opt/local/bin:/Users/warren/bin:/Users/warren/godi/bin:/Users/warren/godi/sbin:/usr/local/bin:/opt/local/lib/postgresql83/bin:/sw/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/Users/warren/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/texbin
>>> 
>>> exec-path: (/Users/warren/metaweb/mwbuild3/_work/gd/graphutil 
>>> /opt/local/bin /Users/warren/bin /Users/warren/godi/bin 
>>> /Users/warren/godi/sbin /usr/local/bin /opt/local/lib/postgresql83/bin 
>>> /sw/bin /Users/warren/metaweb/mwbuild3/_work/gd/graphutil /opt/local/bin 
>>> /Users/warren/bin /Users/warren/godi/bin /Users/warren/godi/sbin 
>>> /usr/local/bin /opt/local/lib/postgresql83/bin /sw/bin /usr/bin /bin 
>>> /usr/sbin /sbin /usr/local/bin /usr/X11/bin /Users/warren/bin /usr/bin /bin 
>>> /usr/sbin /sbin /Applications/Aquamacs Emacs.app/Contents/MacOS/libexec 
>>> /Applications/Aquamacs Emacs.app/Contents/MacOS/bin /usr/texbin)
>>> _______________________________________________
>>> Aquamacs-bugs mailing list
>>> Aquamacs-bugs@aquamacs.org
>>> http://lists.aquamacs.org/mailman/listinfo.cgi/aquamacs-bugs
>> 
>