On 2016-03-19, Don Osborn <d...@bisharat.net> wrote: > The details may or may not be relevant to the list topic, but as a user > of documents in PDF format, I fail to see the benefit of such obscure > mappings. And as a creator of PDFs ("save as") looking at others' PDFs
Aren't you just being bitten by history? PDF derives from PostScript, which is not a language for representing plain text with typesetting information, but a language for type(and-graphic-)setting tout court. There's a lot of history of fonts using arbitrary codepoints; the idea that the underlying strings giving rise to the displayed graphics should also be a good plain text representation of the information is relatively novel. -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.