Plugins & Themes using my-hacks.php
*Note: all these themes have the same string in translation files: msgid "my-hacks.php (legacy hacks support)"
# Using https://github.com/aaronjorbin/WordPress-Theme-Directory-Slurper
ag --php -QUi my-hacks.php themes/
# Using https://github.com/markjaquith/WordPress-Plugin-Directory-Slurper
ag --php -Qui my-hacks.php plugins/