ubuntu - Meta-x doesn't work in Emacs -

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problem: how make meta-x work in emacs?

hi newcomer linux using ubuntu 10.04lts , emacs23.1.1. used alt key meta, stopped working when upgraded ubuntu. changed meta right ctrl (using ubuntu keyboybard preference). right controll works fine in accesing third level characters in emacs when using norwegian layout. typing meta-x result in message "mismatched parantheses" in emacs , character '»' in buffer. switching layout nothing happens when typing meta-x.

i want meta-x work can insert commands again in emacs.

remedies have tried:

changing meta key ubuntu keyboard preference -> doesn't work

i looked file file .xdefaults locate. since didn't exist created in home\"username". , wrote line "xterm*metasendescape: true" in file. (i not sure does. maybe fix ment problem, found @ http://www.emacswiki.org/emacs/emacschannelfaq#toc17) -> doesn't work

normally use esc-key m-. m-x esc-x


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