Results 3 issues of Tim Hill

### Description ![screenshot](https://user-images.githubusercontent.com/4474874/194721066-60f67392-71d7-4559-b496-d224699c26f9.png) When highlighting the value `$#` in Shell Script, the editor interprets the `#` as the start of a comment (see line 1 in screenshot). This both highlights...

better to fix
syntax highlight

### Expected Behavior The attached code contains two test cases. Using mockk 1.13.8 both compile and pass. ### Current Behavior Using mockk 1.13.9 the code compiles but the test case...

Created with `cargo update syntect`. I'd like for delta to use the newest version of syntect so it can parse the `gutterSettings` property of themes: https://github.com/trishume/syntect/issues/469