[XeTeX] Absence of ligatures

[Khaled Hosny]

On Wed, Jun 09, 2010 at 04:45:27PM +0100, José Carlos Santos wrote:
> Hi all:
> 
> I have been working on a text whose main font is DTL Unico:
> 
> http://www.dutchtypelibrary.nl/Unico_rdrct.html
> 
> I have just noticed that the "fi" and "fl" ligatures are not
> created. To be more precise: if I compile this document:
> 
> \documentclass{article}
> \pagestyle{empty}
> \usepackage{xltxtra}
> \begin{document}
> \Huge
> \fontspec{DTLUnicoST}
> fi fl
> \end{document}
> 
> I don't get the ligatures that I should get. Am I doing something
> wrong? Or could it be a flaw within the fonts that I am using?

Either the font lacks proper OpenType layout code, or you need to
explicitly select certain OpenType script/language, you can try setting
Language=Latin, Language=Default, Script=Latin or any combination of
them and if it works.

-- 
 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer