--- a/src/Doc/Implementation/document/build Thu Mar 10 12:11:50 2016 +0100
+++ b/src/Doc/Implementation/document/build Thu Mar 10 17:30:04 2016 +0100
@@ -5,6 +5,6 @@
FORMAT="$1"
VARIANT="$2"
-"$ISABELLE_TOOL" logo Isar
+isabelle logo Isar
"$ISABELLE_HOME/src/Doc/prepare_document" "$FORMAT"