Robin Malfait 9bb45cd162
Normalize arbitrary modifiers (#11057)
* ensure we normalize the arbitrary modifiers

This applies the same rules as arbitrary values. The `_` can be used in
place of a space. If you _do_ want an underscore, you can escape it with
`\_` (`\\_` in JavaScript).

* update changelog
2023-04-21 21:42:58 +02:00
..
2021-12-15 18:13:09 +01:00
2023-01-19 11:42:52 +01:00
2023-02-08 17:39:43 +01:00
2023-01-13 12:22:00 +01:00
2021-09-21 12:37:49 -04:00