Jani Pehkonen 935568c2f1 Fix invalid XUID entries in CFF fonts ...

In CFF fonts, entry `XUID` should be an array that has no more than
16 elements. In the issue, the length is 20, which causes the fonts to fail.
See Appendix B, "Implementation Limits" in PostScript Language Reference Manual
https://web.archive.org/web/20170218093716/https://www.adobe.com/products/postscript/pdfs/PLRM.pdf
Actually entries `XUID` and `UniqueID` are obsolete altogether.
https://blogs.adobe.com/CCJKType/2016/06/no-more-xuid-arrays.html

2020-10-05 17:38:01 +03:00

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