Quoteleft not obeying Kerning rules

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Jonne Haven
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Location: Kaneohe, Hawaii, USA

Quoteleft not obeying Kerning rules

Postby Jonne Haven » Sat Dec 17, 2016 11:36 am

Greets all,

So I'm trying to write a document that contains " ‘ " followed by a g, for example ‘good’. It kerns correctly in OT preview however when I test it with the OTF tester, it does not obey the kerning I set for it. Stranger is that it works with Word, but if I export the document to PDF through Word, the kerning for that combination is ignored. Same goes for printing, the kerning is ignored...this has me worried that perhaps some of my other kerns are being ignored. I have emailed you that file, Erwin. You'll see that within FontCreator with the exception of "Test TTF/OTF", the kerning is obeyed and showed. But try to PDF it and the kerning is ignored (set to 0 I think).

Thankyou!

Jonne
Correct kerning within Word and OT Designer.png
Correct kerning within Word and OT Designer.png (2.24 KiB) Viewed 383 times
Incorrect kerning from PDF of Correct Word file.png
Incorrect kerning from PDF of Correct Word file.png (3.67 KiB) Viewed 383 times

Erwin Denissen
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Re: Quoteleft not obeying Kerning rules

Postby Erwin Denissen » Sat Dec 17, 2016 12:02 pm

You are right, it fails with quoteleft g but it works with quotesingle g.

I don't know why it fails. Maybe it is a glyph name issue, but it requires some further testing.
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Jonne Haven
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Location: Kaneohe, Hawaii, USA

Re: Quoteleft not obeying Kerning rules

Postby Jonne Haven » Sat Dec 17, 2016 12:06 pm

Thanks for the quick response. Glad you're on the case.

Thankyou and Blessings,

Jonne

Erwin Denissen
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Re: Quoteleft not obeying Kerning rules

Postby Erwin Denissen » Mon Dec 19, 2016 1:37 pm

I noticed quoteleft is in the last sub table. I remember long ago I read about an issue that only the first sub table was processed with a specific word processor, but I don't remember if it was Word.

So I did some more experiments, but so far I'm not able to make it work in the PDF. Maybe it is a bug in the PDF producer.
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Jonne Haven
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Joined: Wed Sep 30, 2015 12:02 pm
Location: Kaneohe, Hawaii, USA

Re: Quoteleft not obeying Kerning rules

Postby Jonne Haven » Wed Dec 21, 2016 6:46 am

Erwin,

Thanks for your efforts. I thought about the subtables being a problem and I made a version without multiple subtables. It still did not work. I will try putting the quoteleft in the first subtable in the meantime and I'll report back with the results.

Thanks,

Jonne

Jonne Haven
Posts: 250
Joined: Wed Sep 30, 2015 12:02 pm
Location: Kaneohe, Hawaii, USA

Re: Quoteleft not obeying Kerning rules

Postby Jonne Haven » Wed Dec 21, 2016 7:58 am

Erwin,

No luck with putting quoteleft in subtable 1. Also, Word is kerning and PDF-ing kerns outside of subtable one correctly so that can't be it either. I'm clueless.

Have you any luck?

Blessings,

Jonne

Jonne Haven
Posts: 250
Joined: Wed Sep 30, 2015 12:02 pm
Location: Kaneohe, Hawaii, USA

Re: Quoteleft not obeying Kerning rules

Postby Jonne Haven » Wed Dec 21, 2016 8:16 am

Erwin just to let you know "quotedblleft" also does not kern properly either.

Jonne Haven
Posts: 250
Joined: Wed Sep 30, 2015 12:02 pm
Location: Kaneohe, Hawaii, USA

Re: Quoteleft not obeying Kerning rules

Postby Jonne Haven » Wed Dec 21, 2016 8:30 am

Erwin,

Just realized quoteleft and quotedblleft also don't kern with y. I'd be willing to bet it ignores negative kerns with those glyphs?...or perhaps it ignores them all.

Jonne

Jonne Haven
Posts: 250
Joined: Wed Sep 30, 2015 12:02 pm
Location: Kaneohe, Hawaii, USA

Re: Quoteleft not obeying Kerning rules

Postby Jonne Haven » Wed Jan 04, 2017 9:21 am

Erwin,

Not intending you to feel rushed, I'm sure you're very busy. It's been a couple of week and I wondered if you'd had any progress to do with my issue and/or strategies to resolve this. It wouldn't be a that big a deal if it only occurred doing pdfs, but the issue is present while printing as well.

Blessings,

Jonne

Erwin Denissen
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Re: Quoteleft not obeying Kerning rules

Postby Erwin Denissen » Thu Jan 05, 2017 6:35 pm

I suspect it is a bug in Word or at least in the way it processes OpenType layout features. You could try to contact Microsoft and ask if they can confirm and fix this issue.
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Jonne Haven
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Location: Kaneohe, Hawaii, USA

Re: Quoteleft not obeying Kerning rules

Postby Jonne Haven » Fri Jan 06, 2017 11:56 am

Erwin,

Just to put a stamp on this issue, I believe you are right. It is a bug with how Word 2013 exports or prints. I say this after trying Adobe Illustrator to find that it obeys all kerning, both in exporting and printing.

Thanks for your efforts though it's unlikely that I will get any help from Microsoft. I'd be willing to bet it has something to do with 'smart quotes' not behaving correctly. I wish I weren't so dependent on Word.

Blessings,

Jonne

Jonne Haven
Posts: 250
Joined: Wed Sep 30, 2015 12:02 pm
Location: Kaneohe, Hawaii, USA

Re: Quoteleft not obeying Kerning rules

Postby Jonne Haven » Sun Jan 08, 2017 11:53 am

Erwin,

If I could ask, what is the name of this font that your site is using for what I'm writing? It's for a friend who is preparing a resume and is looking for a good looking font that's easily readable without weird spacings.

Thanks,

Jonne


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