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Re: C-M-. (find-tag-regexp) is not working

From: Alan Mackenzie
Subject: Re: C-M-. (find-tag-regexp) is not working
Date: Thu, 19 Mar 2009 08:43:28 +0000 (UTC)
User-agent: tin/1.6.2-20030910 ("Pabbay") (UNIX) (FreeBSD/4.11-RELEASE (i386))

Francis Moreau <address@hidden> wrote:
> Hello,

> I have a strange behaviour with emacs23 and this key binding.

> When I want to invoke 'find-tag-regexp' function with C-M-., emacs
> invokes 'find-tag' instead.

> However if I execute 'find-tag-regexp' manually (M-x find-tag-regexp),
> it works as expected and emacs tells me that I can use C-M-. key
> binding to invoke this function...

> Now if I ask for a key binding description (C-h k) of C-M-., emacs
> tells me:

>    M-. runs the command find-tag, which is an interactive compiled
> Lisp...

> So it looks like when I press C-M-., emacs interprets this to M-.

Type C-h c (`describe-key-briefly'), followed by C-M-..  (That's C-M-.
followed by a full stop.  You don't type the full stop; I typed it to
indicate the end of my sentence.  Yikes! :-)  This will show you what
key sequence Emacs saw.

> Could anybody tell me why ?

Maybe your keyboard hasn't been set up to generate proper key codes
for C-M-.  Try C-h l `view-lossage' after typing M-. and C-M-..  This
will show you what raw key codes Emacs actually received.

Also, please tell us your operating system and environment.

> Thanks

Alan Mackenzie (Nuremberg, Germany).

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