The following happened with GNU Emacs 22.0.50.3 (i686-pc-linux-gnu) of
2005-04-27, checkout out from CVS a few hours ago:
After I compiled and installed emacs, i soon realized that viper breaks
the "C-h k" functionality. Further investigation revealed that this is
because of the advices viper installs around describe-key (forcing it to
use viper-read-key-sequence), which fail to pass the second argument to
describe-key ("untranslated").
Here is where the second problem comes in: describe-key is defined with
(defun describe-key (key &optional untranslated up-event) ...), but
running it without the "untranslated" argument causes it to error out
with "Lisp error: (wrong-type-argument arrayp nil)", caused by the
attempt to use aref on the variable 'untranslated' in line 637 of of help.el.
To clarify (not to fix!) I include the patch i use to work around the
problem for now, following now.
*** help.el.orig Wed Apr 27 09:50:14 2005
--- help.el Wed Apr 27 09:49:39 2005
***************
*** 634,642 ****
;; Don't bother user with strings from (e.g.) the select-paste menu.
(if (stringp (aref key (1- (length key))))
(aset key (1- (length key)) "(any string)"))
! (if (stringp (aref untranslated (1- (length untranslated))))
! (aset untranslated (1- (length untranslated))
! "(any string)"))
(with-output-to-temp-buffer (help-buffer)
(princ (help-key-description key untranslated))
(if (windowp window)
--- 634,643 ----
;; Don't bother user with strings from (e.g.) the select-paste menu.
(if (stringp (aref key (1- (length key))))
(aset key (1- (length key)) "(any string)"))
! (if untranslated
! (if (stringp (aref untranslated (1- (length untranslated))))
! (aset untranslated (1- (length untranslated))
! "(any string)")))
(with-output-to-temp-buffer (help-buffer)
(princ (help-key-description key untranslated))
(if (windowp window)
--
Stephen R�ger
[EMAIL PROTECTED]
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