GNU bug report logs - #32404
Format fails to copy text properties from the format-string for adjacent %-sequences

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Andrea Cardaci <cyrus.and <at> gmail.com>
Subject: bug#32404: closed (Re: bug#32404: Format fails to copy text
 properties from the format-string for adjacent %-sequences)
Date: Fri, 10 Aug 2018 05:40:04 +0000

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Your bug report

#32404: Format fails to copy text properties from the format-string for adjacent %-sequences

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 32404 <at> debbugs.gnu.org.

-- 
32404: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=32404
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Andrea Cardaci <cyrus.and <at> gmail.com>
Cc: 32404-done <at> debbugs.gnu.org
Subject: Re: bug#32404: Format fails to copy text properties from the
 format-string for adjacent %-sequences
Date: Fri, 10 Aug 2018 08:39:10 +0300

> From: Andrea Cardaci <cyrus.and <at> gmail.com>
> Date: Thu, 9 Aug 2018 22:25:26 +0200
> Cc: 32404 <at> debbugs.gnu.org
> 
> > Thanks, I believe I fixed this on the emacs-26 branch.
> 
> Yes, I just tried and it seems to work. Thank you so much for the
> prompt response and fix.

Thanks for verifying, I'm therefore closing this bug.

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From: Andrea Cardaci <cyrus.and <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: Format fails to copy text properties from the format-string for
 adjacent %-sequences
Date: Thu, 9 Aug 2018 02:30:55 +0200

Basically what the title says, take a look at this example:

(format (concat (propertize "%s" 'face 'bold)
                "" ; any non-empty string works
                (propertize "%s" 'face 'error))
        "foo" "bar")
#("foobar" 0 6 (face bold))

This has also been described at https://emacs.stackexchange.com/q/43960/13744


Andrea

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