Re: copy/paste text broken with certain ligatures

["Brian R. Landy" <brian@landy.cx>]

> On Apr 14, 2016, at 6:24 PM, Hans Hagen <pragma@wxs.nl> wrote:
> 
>> On 4/14/2016 3:47 PM, Brian R. Landy wrote:
>> Hi, sometime between version 2015.08.05 and 2016.04.10 the handling of
>> certain ligatures changed (sorry, I don't have intermediate versions to
>> test with).  The issue is the ligatures no longer copy/paste as the
>> original two characters, which also breaks text searched of the pdf.
>> Instead they copy as a single glyph.
>> 
>> I'm seeing the problem with "ti" and "fj", while others like "ffi",
>> "fi", and "ff" are fine in both versions.
>> 
>> I see this using Calibri (other fonts I tried don't support those two
>> ligatures):
>> 
>>   \starttypescript[cleartype]
>>     \definetypeface[\typescriptone][ss][sans][calibri][default]
>>   \stoptypescript
>>   \usetypescript[cleartype]
>>   \setupbodyfont[cleartype,sans,10pt]
>>   \starttext
>>   ffi\par
>>   fi\par
>>   ff\par
>>   fi\par
>>   ti\par
>>   fj\par
>>   \stoptext
>> 
>> Thank you.
> 
> not all pdf viewers can do that well, unless it's broken, context outputs the tounicode vectors needed for it
> 
> Hans

But Acrobat works fine with the pdf generated by the older version of ConTeXt, which also uses the ligatures. So something must be different about the files generated by the two versions?

I can post examples tomorrow if you'd like. 

Thanks,
Brian

> 
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>                                          Hans Hagen | PRAGMA ADE
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