I've just had a quick look into this and it appears to be a bad subroutine 
reference in the created subset font. If the output PDF is opened in FontForge 
there are several errors in the log window as well as three of the characters 
missing. My guess would be that for whatever reason one of the subroutines 
(either local or global) wasn't copied correctly and when the referring 
character is attempting to be drawn by the target application, it is unable due 
to this missing or corrupt subroutine.

I'll do some investigating and see which subroutines the three have in common 
and see if this is an easy fix or would be more involved. I'll keep you posted 
anyway.

Regards,

Robert

From: simonsteiner1...@gmail.com
To: fop-users@xmlgraphics.apache.org
Subject: FW: OTF Subsetting Error
Date: Sat, 4 Apr 2015 09:04:11 +0100

 
 
-----Original Message-----
From: Matthias Reischenbacher [mailto:matthias8...@gmx.at] 
Sent: 04 April 2015 00:37
To: sstei...@apache.org
Subject: OTF Subsetting Error
 
Hi Simon,
 
sorry for writing you directly and not using the FOP mailing list or jira. I 
upgraded my local FOP version in order to test your newly added OTF support and 
I'm getting a subset error with a font provided by one of my clients. If you 
want to have a look at it, I am sending you the font directly, but I can't 
attach it to a Jira ticket. If using embedding-mode "full" it works fine 
(although the firefox pdf viewer doesn't display the characters correctly, but 
Acrobat does), when using subsetting the PDF file causes an error message when 
opened with Acrobat (see attached screen shot). I also tested with "Myriad Pro" 
which works fine for full and subset.
 
Best regards,
Matthias Reischenbacher

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