GNU bug report logs - #36516
Wrong dynamic abbrev expansion after space

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From: Juri Linkov <juri <at> linkov.net>
To: 36516 <at> debbugs.gnu.org
Subject: bug#36516: Wrong dynamic abbrev expansion after space
Date: Fri, 05 Jul 2019 21:38:39 +0300

0. emacs -Q
1. Type these two lines:
str 1
str 2
2. On the third line type:
 s                      ;; self-insert-command
 t                      ;; self-insert-command
 r                      ;; self-insert-command
 SPC                    ;; self-insert-command
 M-/                    ;; dabbrev-expand
 M-/                    ;; dabbrev-expand
3. The result is correct, the third line is correctly expanded to:
str 1

Now the test case that exposes the error:

0. emacs -Q
1. Type these two lines:
str 1
str 2
2. On the third line type:
 s                      ;; self-insert-command
 M-/                    ;; dabbrev-expand
 SPC                    ;; self-insert-command
 M-/                    ;; dabbrev-expand
 M-/                    ;; dabbrev-expand
3. The word after "str " is expanded to some random word.

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