bug#62951: 29.0.90; c-ts-mode: Incorrect fontification due to FOR_EACH_TAIL_SAFE

[Yuan Fu]

> 
> My idea right now is to use the range feature in tree-sitter. Since the 
> “body” of FOR_EACH_TAIL is valid C, I can either set the ranges for the 
> parser so it ignores FOR_EACH_TAIL

I end up going this route.

> or I can add another parser that only parses the body of FOR_EACH_TAIL.

Ok, here’s the patch. Eli, would you give it a try? This is a sizable patch so 
I’m not sure if you want it on emacs-29 or master.

Yuan

for-each-tail-fix.patch
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