1.1 --- a/yatexhlp.el	Thu Feb 02 17:18:29 1995 +0000
     1.2 +++ b/yatexhlp.el	Thu Feb 01 18:55:47 1996 +0000
     1.3 @@ -2,7 +2,7 @@
     1.4  ;;; YaTeX helper with LaTeX commands and macros.
     1.5  ;;; yatexhlp.el
     1.6  ;;; (c )1994 by HIROSE Yuuji.[yuuji@ae.keio.ac.jp]
     1.7 -;;; Last modified Mon Jan 23 10:17:11 1995 on pajero
     1.8 +;;; Last modified Tue Dec 26 00:02:02 1995 on inspire
     1.9  ;;; $Id$
    1.10  
    1.11  (let ((help-file (concat "YATEXHLP."
    1.12 @@ -261,6 +261,7 @@
    1.13  ;;;###autoload
    1.14  (defun YaTeX-apropos (key)
    1.15    (interactive "sLaTeX apropos (regexp): ")
    1.16 +  (if (string= "" key) (error "Nothing to show"))
    1.17    (or (YaTeX-apropos-file key YaTeX-help-file)
    1.18        (YaTeX-apropos-file key YaTeX-help-file-private t)
    1.19        (message "No matches found."))