Syntax highlighting fails for `using module <relative-path>`

[chriskuech]

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System Details

Can provide if necessary

Issue Description

Syntax highlighting does not work for relative path modules with the using module syntax.

Expected Behaviour

Syntax highlighting like this (ignore the warning)

Actual Behaviour

The statement is white.

Attached Logs

N/A

[msftrncs]

Yes, the syntax is very limited (too conservative) for the using keyword. The \ causes the entire syntaxing to fail, as its not acceptable per the grammar. I haven't made any improvement in this area either, with my PR #155 or #156, though I have in some others such as comment based help arguments.

[chriskuech]

The \ causes the entire syntaxing to fail, as its not acceptable per the grammar.

Ironic because due to a bug, \ is required for relative path imports.

[msftrncs]

😄 , I don't think that is a bug, I think it is by-design as a defense in depth measure, but definitely ironic.

I might try to look in to improving the 'using' keyword's syntaxing logic. I've done some already for the namespace portion in my PR's, but not for module.