nil secondary selection => wrong error message

[Drew Adams]

emacs -q

M-mouse-2 gives error Wrong type argument: char-or-string-p, nil

It should give a proper error message, such as No secondary selection.



In GNU Emacs 21.3.50.1 (i386-mingw-nt5.1.2600)
 of 2004-07-26 on BERATUNG4
configured using `configure --with-gcc
(3.3) --cflags -I../../jpeg-6b-1/include -I../../libpng-1.2.4-1/include -I..
/../tiff-3.5.7/include -I../../xpm-nox-4.2.0/include -I../../zlib-1.1.4-1/in
clude'

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: ENU
  locale-coding-system: cp1252
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  tool-bar-mode: t
  encoded-kbd-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  line-number-mode: t

Recent input:
<help-echo> <down-mouse-1> <mouse-1> <C-M-down-mouse-2>
<C-M-mouse-2> <C-M-down-mouse-2> <C-M-mouse-2> C-h
k <C-M-down-mouse-2> <C-M-mouse-2> C-h w m o u s e
- y a n k - s e c o n d a r y <return> <M-down-mouse-2>
<M-mouse-2> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <help-echo> <help-echo>
<help-echo> <help-echo> <help-echo> <menu-bar> <help-menu>
<report-emacs-bug>

Recent messages:
Loading mwheel...done
(C:\Emacs-21.3.50\bin\emacs.exe -q --debug-init)
Loading encoded-kb...done
Loading tool-bar...done
Loading image...done
Loading tooltip...done
<C-M-mouse-2> (translated from <C-M-down-mouse-2> <C-M-mouse-2>) is
undefined
mouse-yank-secondary is on <M-mouse-2>
call-interactively: Wrong type argument: char-or-string-p, nil
Loading emacsbug...done