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Re: How force evaluation of this string's math *before* print?....

From: Michael Slass
Subject: Re: How force evaluation of this string's math *before* print?....
Date: Wed, 09 Oct 2002 22:54:21 GMT
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

Barry Margolin <> writes:

>In article <>,
> <> wrote:
>>Thank you so much!! I implemented your suggestion and it gave
>>me a column number on my mode line that indeed updates itself
>>as I move around my document!!!
>>Can I ask you one last question? I noticed that often
>>the column number will *not* be updated with this
>>suggestion.  For some reason, on some
>>lines, the column number is not updated when I move right and
>>left with the cursor until some event forces an update.
>>For example, when I change
>>line numbers that seems to force an update of the column number.
>>Often pressing right/left arrow *does* effect an update of
>>column number on modeline but not always.
>The :eval stuff will only be executed when Emacs thinks that something has
>changed that requires recomputing the mode line.

This will probably work, although I shudder to think what it will do
to your emacs's performance.

(add-hook 'post-command-hook
          (lambda () (force-mode-line-update)))

Mike Slass

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