diff -r edc7c7958e80 -r 069f43a215cc scripts/mk-patch.sh
--- a/scripts/mk-patch.sh	Tue Aug 10 13:25:52 2010 +0200
+++ b/scripts/mk-patch.sh	Wed Jun 25 23:33:01 2014 +0200
@@ -34,7 +34,7 @@
         continue
     fi
     plog=$( hg -R "${repos}" log -r ${rev} --template '{desc|firstline}\n'  \
-            |sed -r -e 's,[/:,[:space:]],_,g; s/_+/_/g;'                    \
+            |sed -r -e 's,[^[:alnum:]],_,g; s/_+/_/g;'                      \
           )
     pname="${p}-${plog}.patch"
     printf "Revision '%d' --> '%s'\n" ${rev} "${pname}"