diff -urN yatex1.71.ORIG/yatexhlp.el yatex1.71/yatexhlp.el
--- yatex1.71.ORIG/yatexhlp.el	2003-05-01 22:40:08.000000000 +0900
+++ yatex1.71/yatexhlp.el	2003-10-09 00:29:47.000000000 +0900
@@ -11,6 +11,7 @@
       (help-dir
        (cond
 	((and (boundp 'site-directory) site-directory) site-directory)
+	(YaTeX-emacs-21 (expand-file-name "../../site-lisp/yatex" doc-directory))
 	(YaTeX-emacs-19 (expand-file-name "../../site-lisp" doc-directory))
 	(t exec-directory))))
   (defvar YaTeX-help-file