doc-src/System/system.ind

   \item {\tt ISABELLE_INSTALL_FONTS} setting, 4
   \item {\tt ISABELLE_INSTALLFONTS} setting, 14
   \item {\tt ISABELLE_INTERFACE} setting, 4, 7
   \item {\tt ISABELLE_LOGIC} setting, 4
   \item {\tt ISABELLE_OUTPUT} setting, 3, 4
-  \item {\tt ISABELLE_PATH} setting, 3
+  \item {\tt ISABELLE_PATH} setting, 3, 4
   \item {\tt ISABELLE_TMP_PREFIX} setting, 4
   \item {\tt ISABELLE_TOOLS} setting, 4
   \item {\tt ISABELLE_USEDIR_OPTIONS} setting, 4, 12, 17
   \item {\tt IsaMakefile}, 11, 12
   \item {\tt ISATOOL} setting, 3

   \indexspace
 
   \item {\tt make} tool, 11
   \item {\tt makeall} tool, 12
   \item {\tt ML_HOME} setting, 3
+  \item {\tt ML_IDENTIFIER} setting, 3
   \item {\tt ML_OPTIONS} setting, 3
   \item {\tt ML_PLATFORM} setting, 3
   \item {\tt ML_SYSTEM} setting, 3
 
   \indexspace