I think there are two things going on here. The first: when you type
"(define (f x)" and highlight between the parens and then type a
space, you are asking it to highlight "(f x) " and then you hit
return, you are asking for "(f x) \n" to be circled, and same with any
other characters you type.
Hello,
I'm trying to figure out how I would make a text editor or a DrRacket extension
that circled nested s-expressions instead of displaying the parentheses.
DrRacket circles text for the find/replace feature, so I looked at that and
found that it uses the highlight-range method of
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