GNU bug report logs - #29159
27.0.50; Hang in HTML/CSS code

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From: Olaf Rogalsky <olaf.rogalsky <at> t-online.de>
To: 29159 <at> debbugs.gnu.org
Subject: bug#29159: 26.0.90; Input decoding is sometimes skipped in TTY (xterm-mouse-mode)
Date: Sun, 05 Nov 2017 20:53:08 +0100

Hi,

in case of a button down event, `describe-key' has some trickery to also
read the forthcoming up event. The following patch makes this trickery
work with xterm-mouse-mode.

I don't have write permission to the repositiory. I therefore would
appreciate it very much, if someone else could review und submit the
patch.

PS: It would be nice, if that person also can have a look at patch #29104

PSS: I don't think, that #29143 is related. Both, `Evil-mode' *and*
     `xterm-mouse-mode' fool around with the ?\e prefix in the
     `input-decode-map', but they obviously do it in an incompatible
     way.

diff --git a/lisp/help.el b/lisp/help.el
index bc8035db0e..247f060f24 100644
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -753,7 +753,7 @@ help-read-key-sequence
                     (and (> (length key) 1)
                          (eventp (aref key 1))
                          (memq 'down (event-modifiers (aref key 1)))))
-                (read-event))))
+                (aref (read-key-sequence-vector nil) 0))))
       ;; Put yank-menu back as it was, if we changed it.
       (when saved-yank-menu
         (setq yank-menu (copy-sequence saved-yank-menu))


-- 
Olaf Rogalsky
Schwörhausgasse 5
89073 Ulm
Germany

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