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| From: | Andreas Röhler |
| Subject: | bug#55867: 29.9.50: mapcan does not exist in Emacs 25.3 |
| Date: | Thu, 9 Jun 2022 10:57:06 +0200 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 |
Docstring of mapcan tells:
Probably introduced at or before Emacs version 26.1.
The "before" might be deleted, as
GNU Emacs 25.3.1 (x86_64-pc-linux-gnu, GTK+ Version 2.24.32) of
2022-06-08 fails with
Debugger entered--Lisp error: (void-function mapcan)
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