Avoid copies in GRPharoZnCodecStream #143
Description
The #greaseNext:putAll:startingAt: and #nextPutAll: methods in GRPharoZnCodecStream should directly delegate to ZnCharacterEncoder without any copies or iteration.
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The #greaseNext:putAll:startingAt: and #nextPutAll: methods in GRPharoZnCodecStream should directly delegate to ZnCharacterEncoder without any copies or iteration.