Algorithm for changestr does not mention the optional count
Walter, I believe I saw you say somewhere that this was a documentation bug. So, I'm moving it to the documentation tracker.
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see rosetta.org 24 game for 'my' version of the algorithm
should have been rosettacode.org
Took a different approach and deleted the algorithms for countstr/changestr. Those functions were a bit of an outlier, as other string functions do not have spelled-out pseudo-code algorithms. Those descriptions were just a hangover from the days when implementations did not have those functions.