[plt-scheme] unhighlighting previously highlighted ranges

Hi,

I'm trying to unhighlight previously highlighted ranges in a
color:text%. What would be the appropriate way of doing it?

There is the "get-highlighted-ranges" method, which returns (listof
range). However, I couldn't process the returned range structure. It's
defined as;

(define-struct range (start end caret-space? style color) #:inspector #f)

in ./framework/private/text.ss, but, it's not provided.

M. Fatih Köksal
İstanbul Bilgi University
Department of Computer Science

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