GNU bug report logs - #42904
[PATCH] Non-Unicode frame title crashes Emacs on macOS

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From: Mattias Engdegård <mattiase <at> acm.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 42904 <at> debbugs.gnu.org, alan <at> idiocy.org
Subject: bug#42904: [PATCH] Non-Unicode frame title crashes Emacs on macOS
Date: Mon, 17 Aug 2020 18:11:50 +0200

17 aug. 2020 kl. 17.55 skrev Eli Zaretskii <eliz <at> gnu.org>:

> Is something wrong with encode_string_utf_8?  It has arguments that
> allow you to replace invalid bytes into the likes of u+FFFD.  Or did I
> misunderstand the problem you are facing?

No, that's a valid question. I did try that function first, but it had too many quirks: doesn't accept a unibyte non-ASCII string, sometimes replaces valid characters, doesn't always output UTF-8... It was easier to write a new function which encapsulates the common usage case. In addition, the new function is short and simple enough that it can easily be verified to be correct; encode_string_utf_8 is big and complex.

In addition, it seems likely that the same problem exists elsewhere and it's useful to have a function which solves it right away.

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