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bug#41957: 27.0.91; overlay-put freeze with auto-composition-mode ligatu
From: |
Eli Zaretskii |
Subject: |
bug#41957: 27.0.91; overlay-put freeze with auto-composition-mode ligatures |
Date: |
Sat, 20 Jun 2020 09:52:38 +0300 |
> From: "James N. V. Cash" <james.nvc@gmail.com>
> Date: Fri, 19 Jun 2020 17:05:30 -0400
>
> It seems that when putting the after-string property to an overlay, if
> auto-composition-mode is enabled and the string contains a ligature,
> Emacs freezes in overlay-put.
>
> The below code freezes when starting with emacs -Q:
>
>
> (auto-composition-mode)
> (set-char-table-range composition-function-table ?= `(["=>" 0
> compose-gstring-for-graphic]))
> (let ((o (make-overlay (point-min) (+ (point-min) 3) (current-buffer))))
> (overlay-put o 'after-string "=>"))
Thanks, this is a known bug that is already fixed on the master
branch, and will be available in Emacs 28.