(Swift) Incorrect highlighting of raw strings

[Editor: Dropping some notes for whoever picks this up]

This needs to also take into account:

• SUBST (inline code) inside raw strings
• the different forms of escaping inside raw strings
• the different syntax of variable substitution (we should probably highlight this, right?)
• extend the string markup tests quite a bit to go along with this
• could we handle arbitrary number of #### with END_SAME_AS_BEGIN? Worth it?

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The following is a single raw string:

##"Use #" and "# to delimit a raw string."##

However, it’s incorrectly highlighted as two separate strings. My guess is that highlight.js thinks the quotes in the middle close a string, then start a new one?

In general, the hashes around raw strings aren’t highlighted in the same color as the string, so perhaps raw strings aren’t supported at all yet?

[svanimpe]

Just FYI: I’m picking this up again. Expect a pull request soon!

[joshgoebel]

Annoying, but doable if we’re only supporting a few specific variants… vs any number of ##### - which may not actually be possible given the contextual constraints you just mentioned.