docs

Author: fglock

FEATURE_MATRIX.md

@@ -59,7 +59,7 @@
 - [x] **Autoquote before `=>`**: Autoquoting before `=>` is implemented.
 - [x] **Select an element from a list**: Indexing into lists is supported.
 - [x] **`keys`, `values` operators**: Operators for hash keys and values are implemented.
-- [ ] **List subscripts**: like `(stat($file))[8]`
+- [x] **List subscripts**: like `(stat($file))[8]`
 - [ ] **List assignment in scalar context**: List assignment in scalar context returns the number of elements produced by the expression on the right side of the assignment
 - [ ] **`$#array`**: Operator for array count is not implemented.
 - [x] **`scalar`**: Operator to get scalar value is not implemented.