Ulrich Mayring wrote:
Vincent Hennebert wrote:
Hi Ulrich,
On 28/05/13 11:01, Ulrich Mayring wrote:
Hi all,
I just upgraded from 0.95 to 1.1 and one of the issues that crept up is that
suddenly FOP uses ligatures, which it did not use before. Latin words
containing the letters "fi" or "fl" are now rendered using ligatures in the
PDF, although they are written as two seperate characters in the XML input
file.
Why would you /not/ want to have ligatures? They are there to make the
text look better.
For two reasons:
1. The text looks in fact worse, at least with the font I'm using.
2. Testability. We have thousands of integrations tests for the PDFs we
generate with fop and our test framework does not support ligatures. For
example, it looks for the phrase "identification" and does not find it in the
PDF, if the fi ligature is used.
I have confirmed that this happens only with our font. The supplied FOP
examples that use Helvetica, Times Roman etc. do not produce ligatures. Is
this considered to be a bug (ligatures should not appear per default) or a
missing feature (no way to turn ligatures off, but there should be) or even a
"works as designed" (we never want to render without ligatures, if they are
available)?
Ulrich
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