config: add a warning about ENABLE_GZIP_OUTPUT potential breakage

diff --git a/config.php-dist b/config.php-dist
index 27eb1ba92c9015031795080244d60ded0fd1a5bd..cffb00d0fe3ca70919b851d5d68e670e1e094f24 100644 (file)
--- a/config.php-dist
+++ b/config.php-dist
@@ -186,6 +186,9 @@
        define('ENABLE_GZIP_OUTPUT', false);
        // Selectively gzip output to improve wire performance. This requires
        // PHP Zlib extension on the server.
+       // Enabling this can break tt-rss in several httpd/php configurations,
+       // if you experience weird errors and tt-rss failing to start, blank pages
+       // after login, or content encoding errors, disable it.
 
        define('FEEDBACK_URL', '');
        // Displays an URL for users to provide feedback or comments regarding