--- Isabelle2011-1-orig/lib/browser/build	2011-10-10 01:47:58.000000000 +1100
+++ Isabelle2011-1/lib/browser/build	2012-01-08 12:58:06.041444651 +1100
@@ -6,6 +6,8 @@
 #
 # Requires proper Isabelle settings environment.
 
+ISABELLE_HOME="$(cd "$(dirname "${0}")/../.."; pwd -P)"
+source "$ISABELLE_HOME/lib/scripts/getsettings" || exit 2
 
 ## diagnostics