whenever I use case-sensitivity attribute selector i see these 3 errors:

• ] expected (css-lbracketexpected)
• { expected (css-lcurlyexpected)
• at-rule or selector expected (css-ruleorselectorexpected)

vscode 1.63.2

Sample of css code:

[type="a" s] { list-style: lower-alpha; }

Additional info: https://www.w3.org/TR/selectors-4/#attribute-case