[luatex] information about ligatures

Stephan Hennig mailing_list at arcor.de
Mon Dec 30 21:05:11 CET 2013


is there a robust way to recognize glyph nodes corresponding to
ligatures in node lists, say in pre_linebreak_filter?  I'm thinking
about ligatures not having a standard code point in the Unicode
encoding, like ck-ligatures from black-letter fonts.

Is there a robust way to get information about the constituting
characters of such a ligature, e.g., characters 'c' and 'k' in case of a
ck-ligature?  (I do not want to disable ligatures in output.)

Best regards,
Stephan Hennig

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