One can use windscreen wipers to wipe the screen and, generally, they work perfectly, but I clean my windscreen manually so that I know absolutely that it is clean.
Perhaps I misinterpreted the OP. In my experience, if I send a PDF to others they generally don't have the fonts I choose and hence...and I'd rather have one editable file rather than having to continually convert text to shapes. I absolutely trust the Xara PDF export and I think the OP would do well to trust it too. There is full rundown of the features that the various versions of PDF support in the Xara help.
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