* Don't report modifier errors while parsing.

* Fix bad merge.

* restore code.

* Fix test.

* Remove old resource

* Alternative way to do partial checking.

* Alternative way to do partial checking.

* Simplify formatting.

* Restore formatting.

* Restore formatting.

* Restore formatting.

* Restore formatting.

* Restore formatting.

* Give a proper message.

* Update error positions.

* Update error positions.

* Update error positions.

* Actually report error on bad modifier.