bug#5541: 23.1; after upgrading to emacs-23, meta key in xterm no longer works

[Sven Joachim <svenjoac@gmx.de>]

On 2010-03-13 19:42 +0100, Chong Yidong wrote:

> Does anyone on this list have xterm-253 available to test?  I can't
> reproduce the problem on xterm 241, and don't have xterm-253 available
> to test at the moment.

With xterm 255 I cannot reproduce the problem either (xterm 253 is not
available here).

Sven

>> With "emacs23 -nw" running inside xterm-253, my meta key does not work
>> for things like M-x.  Instead, the terminal bell beeps, and the string
>> ;120~ appears in the buffer.  Looking at the log below, this is
>> because the terminal actually sent the string \e[27;3;120~ which is
>> occurring because emacs turned on the "modifyOtherKeys" setting with
>> the escape sequence \e[>4;1m at startup.  Older versions of emacs did
>> not do this, and everything worked fine.
>>
>> Indeed, if I execute the command:
>>    (xterm-turn-off-modify-other-keys (selected-frame))
>> then my meta key temporarily starts working again.
>>
>> My normal Xterm settings are
>>   xterm*metaSendsEscape: true
>>   xterm*eightBitInput: false
>> which has always worked in previous versions.