--- macosx/version.sh~	2007-11-20 21:28:34.000000000 +0200
+++ macosx/version.sh	2007-11-20 21:56:13.000000000 +0200
@@ -3,7 +3,7 @@
 # $Id: version.sh 3907 2007-11-20 19:20:26Z charles $
 
 # convention: -TR MAJOR MINOR MAINT BETA - (each a single char)
-# BETA: "Z" for beta, "0" for stable 
+# BETA: "Z" for beta, "X" for pre-release, "0" for stable
 # these should be the only two lines you need to change
 PEERID_PREFIX="-TR093X-"
 USERAGENT_PREFIX="0.94 Test Build"
@@ -14,12 +14,9 @@
               grep -v third-party | \
               cut -d"$Id:" -f3 | cut -d" " -f3 | sort -n | tail -n 1`
 
-if test "x${PEERID_PREFIX//Z/}" = "x$PEERID_PREFIX";
-then
-    STABLE_RELEASE=yes
-else
-    STABLE_RELEASE=no
-fi
+echo $PEERID_PREFIX | egrep -vq 'Z|X' \
+	&& STABLE_RELEASE=yes \
+	|| STABLE_RELEASE=no
   
 # Generate files to be included: only overwrite them if changed so make
 # won't rebuild everything unless necessary