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A couple of small String.fromCodePoint improvements (PR 11698 and 11769 follow-up)

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- Add a reduced test-case for issue 11768, to prevent future regressions.
   (Given that PR 11769 is only a work-around, rather than a proper solution, it may not be entirely accurate for the issue to be closed as fixed.)

 - Add more validation of the charCode, as found by the heuristics, in `PartialEvaluator._buildSimpleFontToUnicode` to prevent future issues.
This commit is contained in:
Jonas Jenwald 2020-04-15 13:34:13 +02:00
parent 50bc4a18e8
commit 44b4a74f48
4 changed files with 8 additions and 1 deletions
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2
src/core/evaluator.js
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@ -2587,7 +2587,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
code = unicode;
}
}
if (code > 0 && Number.isInteger(code)) {
if (code > 0 && code <= 0x10ffff && Number.isInteger(code)) {
// If `baseEncodingName` is one the predefined encodings, and `code`
// equals `charcode`, using the glyph defined in the baseEncoding
// seems to yield a better `toUnicode` mapping (fixes issue 5070).