fmt tests; properly define string literals; work on scanner

README.md

@@ -6,7 +6,7 @@ tree-sitter grammar for the [HCL](https://github.com/hashicorp/hcl/blob/main/hcl
 
 Highlighting `example/example.hcl`:
 
-![Highlighting Example](https://i.imgur.com/M1PZkqL.png)
+![Highlighting Example](https://i.imgur.com/sgFcxLK.png)
 
 ## Developing
 
@@ -16,17 +16,6 @@ It is recommended to use `nix` to fulfill all development dependencies. To activ
 
 To run tests simply run `nix-shell --run 'tree-sitter test'`.
 
-## Quoted Template Expressions
-
-In principle it is allowed to contain arbitary expressions in quoted template interpolations. Consider for example:
-
-```hcl
-foo = "prefix-${func(\"bar\")}"
-```
-
-To make parsing a little easier, this parser only checks for valid escape sequences and template chars.
-When using this parser one would have to take the content of a template interpolation, unescape it and parse it again to get the syntax tree. The same applies to template directives.
-
 ## Todo
 
 * [ ] use [Unicode® Standard Annex #31](https://www.unicode.org/reports/tr31/) (augmented with '-') for identifiers