UTF-8 codes up to 4 bytes (!8) · Merge requests · graphviz / graphviz

John Ellson requested to merge gh-a4c05d20/8/pixelglow/utf8-codes-up-to-4-bytes into master Dec 06, 2013

Created by: pixelglow

Graphviz UTF-8 currently only allows up to a 3-byte representation, covering code points U+0000 to U+FFFF. So e.g. emoji characters in labels are interpreted wrongly as Latin-1.

However, UTF-8 actually allows up to a 4-byte representation, covering code points U+0000 to U+10FFFF. I've implemented the wider representation and refactored away the hard-coded number of extra bytes.

This fixes Instaviz issue 310.

UTF-8 codes up to 4 bytes

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