--- a/stage3/fill_candidate_datatypes.hh	Thu Feb 02 14:18:02 2012 +0000
+++ b/stage3/fill_candidate_datatypes.hh	Thu Feb 02 16:20:19 2012 +0000
@@ -85,6 +85,7 @@
     virtual ~fill_candidate_datatypes_c(void);
 
     /* Match a function declaration with a function call through their parameters.*/
+    /* returns true if compatible function/FB invocation, otherwise returns false */
     bool match_nonformal_call(symbol_c *f_call, symbol_c *f_decl);
     bool match_formal_call   (symbol_c *f_call, symbol_c *f_decl);