From 3390c2356e98337dacaa3197ff93b0fe195dc8c6 Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sat, 7 Sep 2013 15:28:43 +0900
Subject: [PATCH] Update doc

---
 lib/nghttp2_hd.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/nghttp2_hd.c b/lib/nghttp2_hd.c
index ffe3895e..e82874e0 100644
--- a/lib/nghttp2_hd.c
+++ b/lib/nghttp2_hd.c
@@ -306,6 +306,9 @@ static int emit_indexed_header(nghttp2_hd_context *context,
                                nghttp2_hd_entry *ent)
 {
   int rv;
+  /* ent->ref may be 0. This happens if the careless stupid encoder
+     emits literal block larger than header table capacity with
+     indexing. */
   rv = add_emit_set(context, ent);
   if(rv != 0) {
     return rv;