Callers of MIMETypeRegistry::isPDFOrPostScriptMIMEType() are asking a false premise question since PS does not fold to PDF anymore, as suggested in the title.
<rdar://problem/127647542>
Pull request: https://github.com/WebKit/WebKit/pull/28220
Committed 278471@main (86f6d64476ef): <https://commits.webkit.org/278471@main> Reviewed commits have been landed. Closing PR #28220 and removing active labels.