From b7e6ce7b7f687be884eea65df0e576c15b0331dc Mon Sep 17 00:00:00 2001
From: Andi Albrecht <albrecht.andi@gmail.com>
Date: Sat, 23 Jul 2016 08:28:56 +0200
Subject: Add missing documentation (fixes #275).

---
 CHANGELOG | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG
index 8c06c62..35cdfa6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -21,6 +21,9 @@ Internal Changes
 * sqlparse.SQLParseError was removed from top-level module and moved to
   sqlparse.exceptions.
 * sqlparse.sql.Token.to_unicode was removed.
+* The signature of a filter's process method has changed from
+  process(stack, stream) -> to process(stream). Stack was never used at
+  all.
 * Lots of code cleanups and modernization (thanks esp. to vmuriart!).
 * Improved grouping performance. (sjoerdjob)
 
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