--- a/configure.in	Fri Mar 28 22:22:08 1997 +0000
+++ b/configure.in	Fri Mar 28 22:54:28 1997 +0000
@@ -21,7 +21,7 @@
 ### Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 ### 02111-1307, USA. 
 
-AC_REVISION($Revision: 1.263 $)
+AC_REVISION($Revision: 1.264 $)
 AC_PREREQ(2.9)
 AC_INIT(src/octave.cc)
 AC_CONFIG_HEADER(config.h)
@@ -200,7 +200,7 @@
   sed -e 's/^.*g.. version *//' -e 's/cygnus-//'`
 case "$gxx_version" in
 changequote(,)dnl
-  2.[6789].*|2.[123456789][0123456789].*)
+  2.[6789].* | 2.[123456789][0123456789].*)
 changequote([,])dnl
     if test -z "$EXTERN_CXXFLAGS"; then
       ADD_CXX_WALL=true
@@ -209,7 +209,7 @@
     AC_MSG_RESULT([defining NO_IMPLICIT_TEMPLATES to be $NO_IMPLICIT_TEMPLATES])
   ;;
 changequote(,)dnl
-  1.*|2.[012345].*)
+  1.* | 2.[012345].*)
 changequote([,])dnl
     AC_MSG_ERROR([g++ version $gxx_version will not work to compile Octave])
   ;;