Index: src/ControlStruct/ExceptDecl.cc
===================================================================
--- src/ControlStruct/ExceptDecl.cc	(revision 0577df2ebf16c54042e9bf74bca99c6a5bcb4b19)
+++ src/ControlStruct/ExceptDecl.cc	(revision 5cf1228fbb704ea7ccef879b4c60f16486335b9a)
@@ -5,5 +5,5 @@
 // file "LICENCE" distributed with Cforall.
 //
-// ExceptDecl.cc --
+// ExceptDecl.cc -- Handles declarations of exception types.
 //
 // Author           : Henry Xue
Index: src/ControlStruct/ExceptDecl.h
===================================================================
--- src/ControlStruct/ExceptDecl.h	(revision 0577df2ebf16c54042e9bf74bca99c6a5bcb4b19)
+++ src/ControlStruct/ExceptDecl.h	(revision 5cf1228fbb704ea7ccef879b4c60f16486335b9a)
@@ -5,5 +5,5 @@
 // file "LICENCE" distributed with Cforall.
 //
-// ExceptDecl.h --
+// ExceptDecl.h -- Handles declarations of exception types.
 //
 // Author           : Henry Xue
@@ -25,5 +25,7 @@
 
 namespace ControlStruct {
-	void translateExcept( std::list< Declaration *> & translationUnit );
-	void translateExcept( ast::TranslationUnit & translationUnit );
+/// Unfold exception declarations into raw structure declarations.
+/// Also builds vtable declarations and converts vtable types.
+void translateExcept( std::list< Declaration *> & translationUnit );
+void translateExcept( ast::TranslationUnit & translationUnit );
 }
Index: src/ControlStruct/HoistControlDecls.hpp
===================================================================
--- src/ControlStruct/HoistControlDecls.hpp	(revision 0577df2ebf16c54042e9bf74bca99c6a5bcb4b19)
+++ src/ControlStruct/HoistControlDecls.hpp	(revision 5cf1228fbb704ea7ccef879b4c60f16486335b9a)
@@ -21,5 +21,6 @@
 
 namespace ControlStruct {
-// Hoist declarations out of control flow statements into compound statement.
+/// Hoist declarations out of control flow statements into compound statement.
+/// Must happen before auto-gen routines are added.
 void hoistControlDecls( ast::TranslationUnit & translationUnit );
 } // namespace ControlStruct