Re: Joined "ti" coded as "Ɵ" in PDF

From: Pierpaolo Bernardi <>
Date: Thu, 17 Mar 2016 19:02:19 +0100

On Thu, Mar 17, 2016 at 6:37 PM, Leonardo Boiko <> wrote:
> The PDF *displays* correctly. But try copying the string 'ti' from
> the text another application outside of your PDF viewer, and you'll
> see that the thing that *displays* as 'ti' is *coded* as Ɵ, as Don
> Osborn said.

Ah. OK. Anyway this is not a Unicode problem. PDF knows nothing about
unicode. It uses the encoding of the fonts used.

The ti ligature is a glyph in the font used in that document. Its
code has nothing to do with anything unicode. It looks like a
pre-unicode hack because unicode says nothing about font technologies,
and hence nothing has changed in PDF because of unicode (nor could
have, unicode does not mandate how to encode ligatures).
Received on Thu Mar 17 2016 - 13:03:17 CDT

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