Index: /issm/trunk-jpl/src/m/exp/functionSignatures.json
===================================================================
--- /issm/trunk-jpl/src/m/exp/functionSignatures.json	(revision 23580)
+++ /issm/trunk-jpl/src/m/exp/functionSignatures.json	(revision 23581)
@@ -4,5 +4,5 @@
 		"inputs":
 		  [
-			 {"name":"filename1", "kind":"required",   "type":"filepath"},
+			 {"name":"filename1", "kind":"required",   "type":"filepath=*.exp"},
 			 {"name":"varargin", "kind":"optional", "multiplicity":"append"}
 		]
@@ -12,5 +12,5 @@
 		"inputs":
 		  [
-			 {"name":"filename1", "kind":"required",   "type":"filepath"},
+			 {"name":"filename1", "kind":"required",   "type":"filepath=*.exp"},
 			 {"name":"varargin", "kind":"optional", "multiplicity":"append"}
 		]