Add abstract implementations of the two different types of filters.
tree08bcf55153474efcf521e327a4ebbc8ef2289ead
-rw-r--r-- 2016 XHTMLCompiler.php
drwxr-xr-x - XHTMLCompiler
-rw-r--r-- 631 common.php
-rw-r--r-- 1662 config.default.php
-rw-r--r-- 357 config.smoketest.php
-rw-r--r-- 5104 functions.php
-rw-r--r-- 3515 htaccess.php
-rw-r--r-- 410 main.php
-rw-r--r-- 446 smoketest.txt
drwxr-xr-x - smoketests
drwxr-xr-x - tests
-rw-r--r-- 2578 update.php