Jonas Jenwald 98f570c103 Prevent browser exceptions from incorrectly triggering the assert in PDFPageProxy._abortOperatorList (PR 11069 follow-up)
For certain canvas-related errors (and probably others), the browser rendering exceptions may be propagated "as-is" to the PDF.js code. In this case, the exceptions are of the somewhat cryptic `NS_ERROR_FAILURE` type.
Unfortunately these aren't actual `Error`s, which thus ends up unintentionally triggering the `assert` in `PDFPageProxy._abortOperatorList`; sorry about that!
2019-11-07 11:37:48 +01:00
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