id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	uname	nginx_version
643	"unknown directive ""subs_filter"""	Arthur Pemberton		"By all indications, I should be able to use ""subs_filter"" within a location, but `nginx -t` says otherwise. As such, I am unable to do the substitution that I want.

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# rpm -qi nginx
Name        : nginx                        Relocations: (not relocatable)
Version     : 1.6.2                             Vendor: nginx inc.
Release     : 1.el6.ngx                     Build Date: Tue 16 Sep 2014 09:57:32 AM EDT
Install Date: Thu 18 Sep 2014 02:52:47 AM EDT      Build Host: centos6-amd64-ovl.b.nginx.com
Group       : System Environment/Daemons    Source RPM: nginx-1.6.2-1.el6.ngx.src.rpm
Size        : 848151                           License: 2-clause BSD-like license
Signature   : RSA/SHA1, Tue 16 Sep 2014 10:31:55 AM EDT, Key ID abf5bd827bd9bf62"	defect	closed	major		nginx-core	1.6.x	invalid			Linux rs-proxy01 2.6.32-431.29.2.el6.x86_64 #1 SMP Tue Sep 9 21:36:05 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux	"nginx version: nginx/1.6.2
built by gcc 4.4.7 20120313 (Red Hat 4.4.7-3) (GCC)
TLS SNI support enabled
configure arguments: --prefix=/etc/nginx --sbin-path=/usr/sbin/nginx --conf-path=/etc/nginx/nginx.conf --error-log-path=/var/log/nginx/error.log --http-log-path=/var/log/nginx/access.log --pid-path=/var/run/nginx.pid --lock-path=/var/run/nginx.lock --http-client-body-temp-path=/var/cache/nginx/client_temp --http-proxy-temp-path=/var/cache/nginx/proxy_temp --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp --http-scgi-temp-path=/var/cache/nginx/scgi_temp --user=nginx --group=nginx --with-http_ssl_module --with-http_realip_module --with-http_addition_module --with-http_sub_module --with-http_dav_module --with-http_flv_module --with-http_mp4_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_random_index_module --with-http_secure_link_module --with-http_stub_status_module --with-http_auth_request_module --with-mail --with-mail_ssl_module --with-file-aio --with-ipv6 --with-http_spdy_module --with-cc-opt='-O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic'"