Jonas Jenwald c9b6de3b16 Prevent adding invalid values in CFFDict_setByKey (bug 1068432) ...

In the font in question, there are a couple of `topDict` entries that have invalid values (`0xF 0xF`, i.e. just eof markers without any actual numbers).
This causes the `parseFloatOperand` function, inside `CFFParser_parseDict`, to return `NaN`. Currently we pass this broken font onto the browser, which OTS unsurprisingly rejects.

Fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1068432.

2016-05-07 21:09:58 +02:00

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