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bug#22847: #17062: 24.3 current-fill-column breaks fill-match-adaptive-p
From: |
Eli Zaretskii |
Subject: |
bug#22847: #17062: 24.3 current-fill-column breaks fill-match-adaptive-prefix |
Date: |
Mon, 29 Feb 2016 17:56:54 +0200 |
> From: Andreas Röhler <andreas.roehler@easy-emacs.de>
> Date: Mon, 29 Feb 2016 08:33:23 +0100
>
> fill-match-adaptive-prefix counts on current-fill-column having:
>
> (>= (+ (current-left-margin) (length str)) (current-fill-column))
>
> This will be broken if current-fill-column returns nil.
>
> Returning nil is possible, see inside current-fill-column:
>
> (if fill-column
>
> If fill-column is nil, current-fill-column will return nil which was the case
> coming upon.
> A fix might make sure an integer is returned anyway: think at 0 or default
> value.
While at that, please also fix the calculation of string length: it
should use 'string-width', not 'length', IMO.