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added toString;
authorwenzelm
Thu, 18 Jun 2009 15:08:57 +0200
changeset 31703 4e6064759aeb
parent 31702 1494ded298a6
child 31704 b8628ac68b73
child 31710 99f08ce977f9
child 31906 b41d61c768e2
added toString;
src/Pure/System/isabelle_system.scala file | annotate | diff | comparison | revisions 
--- a/src/Pure/System/isabelle_system.scala	Thu Jun 18 15:02:53 2009 +0200
+++ b/src/Pure/System/isabelle_system.scala	Thu Jun 18 15:08:57 2009 +0200
@@ -114,6 +114,8 @@
     if (value != "") value else error("Undefined environment variable: " + name)
   }
 
+  override def toString = getenv("ISABELLE_HOME")
+
 
   /* file path specifications */
isabelle