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Re: Line number in mode-line with column-number-mode on in GNU Emacs 23.

From: Peter Dyballa
Subject: Re: Line number in mode-line with column-number-mode on in GNU Emacs 23.x
Date: Fri, 25 Dec 2009 18:19:24 +0100

Am 25.12.2009 um 15:46 schrieb Eli Zaretskii:

The code seems to remember that a window had long lines, and once that
happens, this window will not have line numbers, until you switch to
another buffer.

Well, it's likely that I did this, changing into *shell* buffer and others...

Is that your case -- that you enlarged
line-number-display-limit-width only _after_ you saw "??" instead of a
line number?

Yes, exactly.

If so, does it help to switch to a different buffer and
then switch back to the original one in the same window?

I have no proof that I did so, there is just some likelihood from time- stamps in tcsh's history...

Failing that, I don't see any explanation for what you report.
Perhaps try stepping with a debugger through decode_mode_spec, or
submit a bug report with a clear recipe to reproduce this behavior.

Letting your computer on over night while GNU Emacs is compiling GCC 4.2 (more than 10 h for me)...

With line-number-display-limit-width set to 62,500 it did not happen again to me, the longest compile job below 1 h, the longest line far below this value.



Life is the only flaw in an otherwise perfect nonexistence
                                – Schopenhauer

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