===================================================================
RCS file: /cvs/mandoc/Attic/hash.c,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -p -r1.4 -r1.5
--- mandoc/Attic/hash.c	2009/01/05 17:57:07	1.4
+++ mandoc/Attic/hash.c	2009/01/20 13:44:05	1.5
@@ -1,4 +1,4 @@
-/* $Id: hash.c,v 1.4 2009/01/05 17:57:07 kristaps Exp $ */
+/* $Id: hash.c,v 1.5 2009/01/20 13:44:05 kristaps Exp $ */
 /*
  * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -24,6 +24,12 @@
 #include <string.h>
 
 #include "private.h"
+
+/*
+ * Routines for the perfect-hash hashtable used by the parser to look up
+ * tokens by their string-ified names (`.Fl' -> MDOC_Fl).  The
+ * allocation penalty for this is 27 * 26 * sizeof(ptr).
+ */
 
 
 void