GNU bug report logs - #21471
25.0.50; REGRESSION: bug report with text from Info has spurious escape chars

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 21471 <at> debbugs.gnu.org
Subject: bug#21471: 25.0.50; REGRESSION: bug report with text from Info has spurious escape chars
Date: Sun, 13 Sep 2015 23:02:58 +0300

> Date: Sun, 13 Sep 2015 08:07:42 -0700 (PDT)
> From: Drew Adams <drew.adams <at> oracle.com>
> 
> Dunno whether this regression is perhaps limited to MS Windows or
> mail client Outlook.

It isn't.  You can paste into Notepad, or even another Emacs session.

> This is what you get in the email message, to send as the
> bug report:
> 
>      The =A1=AEalpha=A1=AF frame parameter can also be a cons cell =A1=AE(=
> =A1=AEactive=A1=AF .
>      =A1=AEinactive=A1=AF)=A1=AF, where =A1=AEactive=A1=AF is the opacity o=
> f the frame when it is
>      selected, and =A1=AEinactive=A1=AF is the opacity when it is not selec=
> ted.
> 
> Curly quotes in the Info buffer have been replaced with
> escape sequences such as =A1=AE.  This is in spite of the
> fact that the mail-client window into which the text is
> pasted is perfectly capable of handling Unicode chars such
> as curly quotes.

This is called quoted-printable representation of non-ASCII
characters, and is a feature.  I guess whoever wrote that didn't want
to trust mailers on user systems to be configured for non-ASCII.

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