HB_GRAPHITE2_TAG_SILF

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
version(HB_with_graphite2)
extern (C) @nogc nothrow
enum HB_GRAPHITE2_TAG_SILF = HB_TAG('S', 'i', 'l', 'f');

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