By not waiting for the /Properties to load, before parsing of the operatorList/textContent starts, there's a very real risk that a `MissingDataException` will be thrown when trying to access the data in the `PartialEvaluator.parseMarkedContentProps` method.
If this ever happens it will thus lead to incomplete and/or outright broken rendering, and with e.g. `disableAutoFetch=true` set the likelihood of this occuring would increase quite a bit.
*Please note:* While I've not yet seen this error in an actual PDF document, it can happen during loading if you're unlucky enough with e.g. the structure of the PDF document and/or the download speed offered by the server.
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