What does "Decompose Smart Stuff" on UFO Export do?

Hi @GeorgSeifert,

Can you broadly summarize what sorts of things happen when “Decompose Smart Stuff” is checked on UFO Export? I’ve observed it writes the kern, mark and mkmk features and the GDEF table, sharpens open corners and decomposes serif/smart components (as the name of the checkbox suggests). Is there anything else I’m missing?


Only that the nonspacing marks are set the zero width is missing on your list.

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Great, thanks!