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bug#42207: 28.0.50; (where-is-internal) reports incorrect binding
From: |
Dima Kogan |
Subject: |
bug#42207: 28.0.50; (where-is-internal) reports incorrect binding |
Date: |
Sat, 04 Jul 2020 16:01:50 -0700 |
Hi. I'm using a pretty recent emacs built from git, although I don't
think this bug is a recent regression. From a user perspective, the
issue looks like this:
1. emacs -Q
2. Open any .py file, or just M-x python mode
3. M-x forward-se [TAB]
Step 3 asks emacs to complete. There're two matches: forward-sexp and
forward-sentence. Emacs also helpfully reports the associated bindings
with each command because suggest-key-bindings is not nil. It says
that the binding for forward-sentence is M-e, which is NOT the case
here: M-e is python-nav-forward-block.
Digging a bit, I see that the issue is that we call (where-is-internal)
in simple.el, and this is the issue:
(key-description (where-is-internal 'forward-sentence nil t))
returns
"M-e", even in python-mode
This maybe is related to the way this keymap is defined. python-mode-map is
(keymap
.... keys keys keys ...
(remap keymap
(mark-defun . python-mark-defun)
(backward-up-list . python-nav-backward-up-list)
(forward-sentence . python-nav-forward-block)
(backward-sentence . python-nav-backward-block))
...
)
I haven't read about this remap thing yet, and the docstring for
(where-is-internal) does have a NO-REMAP option, but "M-e" is reported
regardless of the value of NO-REMAP.
Thanks.
Configured using:
'configure --build x86_64-linux-gnu --prefix=/usr
--sharedstatedir=/var/lib --libexecdir=/usr/lib
--localstatedir=/var/lib --infodir=/usr/share/info
--mandir=/usr/share/man --with-pop=yes
--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/28.0.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.0.50/site-lisp:/usr/share/emacs/site-lisp
--build x86_64-linux-gnu --prefix=/usr --sharedstatedir=/var/lib
--libexecdir=/usr/lib --localstatedir=/var/lib
--infodir=/usr/share/info --mandir=/usr/share/man --with-pop=yes
--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/28.0.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/28.0.50/site-lisp:/usr/share/emacs/site-lisp
--with-x=yes --with-x-toolkit=gtk3 --with-toolkit-scroll-bars
'CFLAGS=-g -O2
-fdebug-prefix-map=/build/emacs-snapshot-MVBGWo/emacs-snapshot-20200426+emacs-27.0.91-703-g453ada0309d=.
-fstack-protector-strong -Wformat -Werror=format-security -Wall
-fno-omit-frame-pointer' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2'
LDFLAGS=-Wl,-z,relro'
Configured features:
XPM JPEG TIFF GIF PNG RSVG CAIRO SOUND GPM DBUS GSETTINGS GLIB NOTIFY
INOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE HARFBUZZ M17N_FLT LIBOTF
ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS JSON PDUMPER
LCMS2 GMP
Important settings:
value of $LC_ALL: C
value of $LANG: C
locale-coding-system: nil
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