Though the build script is made to handle no arguments, I can never remember what the arguments are, so I've made it so that no arguments is invalid usage.

Development/QHBuild.sh

@@ -5,6 +5,13 @@ version=0
 issue=0
 branch=trunk
 
+if [ $# -eq 0 ]
+then
+  echo >&2 \
+  "usage: $0 [-release a|b|r] [-version some_repository_version] [-issue an_issue_number] [-branch trunk|some_branch]"
+  exit 1
+fi
+
 while [ $# -gt 0 ]
 do
   case "$1" in