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* bug#16274: 24.3.50; Error in post-command-hook (icomplete-post-command-hook): (invalid-function ("..." ...))
@ 2013-12-28  5:52 Drew Adams
  2014-01-03  4:23 ` Stefan Monnier
                   ` (2 more replies)
  0 siblings, 3 replies; 25+ messages in thread
From: Drew Adams @ 2013-12-28  5:52 UTC (permalink / raw)
  To: 16274

I believe I reported long ago (in the Emacs 24 cycle, IIRC) that I
occasionally get this error.  This is still the case.  The value it
complains about not being a function is a list of completions (strings),
which each have text property `face' with values
`completions-common-part' and `(completions-first-difference)' (a list).

I haven't been able to see where in the code this error could occur.  I
have noticed it being raised with my setup (icomplete+.el).  Dunno
whether it occurs also in emacs -Q.

FWIW, my code does not even reference `icomplete-post-command-hook'
explicitly, and it does not use those particular faces explicitly.

I also have not been able to find the code that issues that error
message.  Perhaps it is in some C code - the latest C code I have is for
Emacs 24.3.

A wild guess about this is that the list of completions is the cached
value in variable `completion-all-sorted-completions'.  And perhaps in
code like this:

(completion-try-completion name comps nil (length name) md)

Maybe COMPS here (which is the value of
`completion-all-sorted-completions') is somehow expected to be a
function?  Does this ring a bell for anyone?  Just poking in the dark.
Dunno how to debug this better.  The error message does not stop
execution, being on `post-command-hook'.  It just flashes ephemerally
and then I can find it in `*Messages*'.

And, again, it seems that this happens just once in a while.

If this info does not help at all, feel free to close the bug.  Or leave
it open, for future reference.  It has been there for a while now.


In GNU Emacs 24.3.50.1 (i686-pc-mingw32)
 of 2013-12-27 on ODIEONE
Bzr revision: 115778 rgm@gnu.org-20131228000456-1797o8z6veuyozs0
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --prefix=/c/Devel/emacs/binary --enable-checking=yes,glyphs
 'CFLAGS=-O0 -g3' LDFLAGS=-Lc:/Devel/emacs/lib
 CPPFLAGS=-Ic:/Devel/emacs/include'





^ permalink raw reply	[flat|nested] 25+ messages in thread

end of thread, other threads:[~2017-11-11 15:25 UTC | newest]

Thread overview: 25+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-12-28  5:52 bug#16274: 24.3.50; Error in post-command-hook (icomplete-post-command-hook): (invalid-function ("..." ...)) Drew Adams
2014-01-03  4:23 ` Stefan Monnier
2014-01-03 16:20   ` Drew Adams
2014-01-03 22:14     ` Stefan Monnier
2014-01-03 22:52       ` Drew Adams
2014-01-04  4:51         ` Stefan Monnier
2014-01-04  7:03           ` Drew Adams
2014-01-04 15:45             ` Drew Adams
2014-02-10  3:53               ` Lars Ingebrigtsen
2014-02-10 16:34                 ` Stefan Monnier
2014-02-10 20:55                   ` Drew Adams
2014-02-20  5:09                     ` Drew Adams
2014-07-19 21:51                       ` Drew Adams
2015-12-26  3:40                         ` Drew Adams
2017-02-03 15:49                           ` Drew Adams
2017-10-22 15:06           ` Charles A. Roelli
2017-11-01 20:02             ` Charles A. Roelli
2017-11-04  8:56               ` Eli Zaretskii
2017-11-07  4:06                 ` Stefan Monnier
2017-11-11 10:09                   ` Eli Zaretskii
2017-11-11 10:31                     ` Charles A. Roelli
2017-11-11 10:41                       ` Eli Zaretskii
2017-11-11 15:25                         ` Stefan Monnier
2015-01-30 14:25 ` bug#16274: ; One method to produce an error in icomplete-post-command-hook Jeremy Moore
2015-08-11 19:02 ` bug#16274: Can still reproduce in Emacs 24.5.2/x86_64-unknown-linux-gnu Michael Hoffman

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