Allow more characters (like whitespaces and punctuations) for escaped identifiers

[clayellis]

That's actually great to hear. I can think of two cases that will immediately benefit:

• Allowing typed HTTP status codes to be identified by the raw status code (e.g. HTTPStatus.'300')
• Allowing for asset names to be represented directly (e.g. a wrapper around SF Symbols could use identifiers that match the asset name exactly like '10.circle' instead of _10_circle.)

(I used ' in place of the backtick because Markdown formatting was tripping over it.)

I didn't read the grammar, but now that I've read it, it's clear. I assumed that this:

@jawbroken

I think the right answer for backticked identifiers is that they're equivalent to their non-backticked form (if the non-backticked form is possible to use). This handles + but also functionName , etc. You're otherwise free to expand the space of backticked-only identifiers.

was the approach being taken which would've disallowed identifiers beginning with numbers (I think.)