--- configure.orig	2003-02-24 17:08:34.000000000 +0900
+++ configure	2003-10-27 04:49:08.000000000 +0900
@@ -899,7 +899,7 @@
 # Check whether --with-helpviewer or --without-helpviewer was given.
 if test "${with_helpviewer+set}" = set; then
   withval="$with_helpviewer"
-  HELPVIEWER="-DGRACE_HELPVIEWER=${withval}"
+  HELPVIEWER="-DGRACE_HELPVIEWER=\\\"'${withval} %s'\\\""
 fi