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Niels Möller authored
now, as I'm not sure that the usual assoc handles char-sets. (char-set-empty?): Use char-set:empty (new in scsh-0.5.2). (char-set=?): Removed function, scsh-0.5.2 provides a similar function named char-set=. Rev: src/scm/make-char-classes.scm:1.3
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