From 4c6321a1f7b5c66f7917d266fc0230255b8faedd Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 7 Aug 2008 09:06:04 +0000
Subject: [PATCH] add a comment.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18414 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 include/ruby/st.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/ruby/st.h b/include/ruby/st.h
index d23f761e7e..84ef72b440 100644
--- a/include/ruby/st.h
+++ b/include/ruby/st.h
@@ -76,7 +76,7 @@ st_table *st_init_strtable(void);
 st_table *st_init_strtable_with_size(int);
 st_table *st_init_strcasetable(void);
 st_table *st_init_strcasetable_with_size(int);
-int st_delete(st_table *, st_data_t *, st_data_t *);
+int st_delete(st_table *, st_data_t *, st_data_t *); /* returns 0:notfound 1:deleted */
 int st_delete_safe(st_table *, st_data_t *, st_data_t *, st_data_t);
 int st_insert(st_table *, st_data_t, st_data_t);
 int st_lookup(st_table *, st_data_t, st_data_t *);