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3.4.2 Ligatures

In order to get ligature information for some pair of characters in a font, use the following function.

Function: ligature CHARACTER1 CHARACTER2

Return ligature for CHARACTER1 and CHARACTER2, or nil.
Both characters must belong to the same font.

Unless there’s no such ligature, the value returned by this function is an instance of a class called ligature. In the context of this library, the term “ligature” denotes an instance of this class.

A ligature contains four bits of information accessible as described below.