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From: Philipp Stephani
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Subject: bug#44532: 27.1.50; Regression in `rx' forms in `pcase'
Date: Mon, 09 Nov 2020 14:44:34 +0100
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Archived-At:
It looks like `rx' forms in `pcase' forms don't work in all places with
the reimplementation of `rx'. This is a rather annoying regression, so
I'd propose to fix it on the release branch.
With Emacs 26:
emacs -Q -batch -l cl-lib -l pcase -l rx -eval '(print (pcase "1" ((rx (? (=
let foo digit))) foo)))'
"1"
(as expected)
However, with Emacs 27
emacs -Q -batch -l cl-lib -l pcase -l rx -eval '(print (pcase "1" ((rx (? (=
let foo digit))) foo)))'
Unknown rx form =E2=80=98let=E2=80=99
In GNU Emacs 27.1.50 (build 9, x86_64-pc-linux-gnu, GTK+ Version 3.24.20)
of 2020-11-09
Repository revision: f5d7fb3a2dee3f9ae49151e3d01483aad7fb734b
Repository branch: emacs-27
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
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((conses 16 68084 6885)
(symbols 48 8614 1)
(strings 32 23702 1904)
(string-bytes 1 764915)
(vectors 16 13051)
(vector-slots 8 169356 7186)
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