Character conversion on Loading Adobe file into Affinity Publisher

[RayM]

I produce my documents in Affinity designer and then export to .PDF for publication.

However if I re-open the .PDF file with infinity I get some strange character conversions. As an example the letters  'ti' in any word gets transformed into  a 'C' . As an example 'British' becomes 'BriCh'

If the attached file is opened with Affinity the issue should be apparent.

I use Affinity on a Dell Laptop (Windows 10) using the full version of Adobe DC

 

Thanks

SFL04 -Saflo Summary.pdf

[kenmcd]

Calibri has standard ligatures for ti and ft (which is a bit unusual).
Standard ligatures are On by default, so those ligatures are included in your PDF.
Since those ligatures are created by an OpenType feature and they have no Unicode code point the way they are embedded does not facilitate a round-trip via PDF.

Not sure why you would do this since you have the original document ...
But you can turn-off standard ligatures in your original and it should then work.

[walt.farrell]

2 hours ago, LibreTraining said:

But you can turn-off standard ligatures in your original and it should then work.

I have a vague memory that turning off Subset Fonts in the Export Dialog will also resolve it.

[Alfred]

3 hours ago, LibreTraining said:

But you can turn-off standard ligatures in your original and it should then work.

 

29 minutes ago, walt.farrell said:

I have a vague memory that turning off Subset Fonts in the Export Dialog will also resolve it.

Two different approaches, but either one should resolve the problem. If you turn off the ‘Standard Ligatures’ feature, those ligatures won’t occur in the PDF file. If you turn off the ‘Subset Fonts’ option for PDF export, the entire font will be embedded in the exported file and therefore the ligature glyphs will be available when that file is opened. In both cases, what you’re doing is making sure that the PDF only uses characters that are embedded.

[kenmcd]

Note: no-subset does get you the correct glyph appearance, but the Unicode is still wrong.
Search the doc for: British, or Injection, or configuration, or Soft - and you will find nothing.
Because there are still odd codes behind those characters, they just look OK.
And if you try to edit it and change the font, you will immediately see the actual mess.

Affinity apps do not embed ligatures in a manner which can be round-tripped without issues.

If you want to archive something in a PDF and be able to edit it in the future, turn-off ligatures.

Note: the fi and fl "ligatures" work because they are not actually a ligature, they are each one character with a Unicode code point.