How can ligature information be exported from a TrueType font file? In OpenType, there is the GSUB table that contains the necessary information.
GSUB
Is there a TrueType equivalent?
No, TrueType fonts don't have anything akin to GSUB. cmap table selects exactly one glyph only for given character, no additional context is given. I guess you already looked here...
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No, TrueType fonts don't have anything akin to GSUB. cmap table selects exactly one glyph only for given character, no additional context is given. I guess you already looked here...