alibaba/tengine — pull request #514 by taoyuanyuan (2014-09-26 06:05:32+00:00)
Title: Feature: the "gzip_clear_etag" directive.

Syntax:	gzip_clear_etag on | off;
Default:	gzip_clear_etag off;
Context:	http, server, location

压缩的时候是否删除 reponse的etag头, 默认为on 删除.