symfony/symfony — pull request #6108 by KingCrunch (2012-11-30 23:46:05+00:00)
Title: [HttpKernel][HttpCache] SSI-include support

Exactly like the already existing ESI-support, but for SSI. Idea is to allow NGinx (or other servers, that support SSI, but not ESI) cache parts of the site like it does varnish with ESI, but in enviroments, where a dedicated varnish is overhead.