Added TODO [ci skip]
Updated maintenance script [ci skip]
Removed support for multiple templates per tag
Added TODO [ci skip]
PHP optimizer: remove whitespace when removing braces
Added tests [ci skip]
Synced to e594f1cfc112c47ef8844b1df59140151c6decff
Synced to e594f1cfc112c47ef8844b1df59140151c6decff