local mt = fmtable.char_type[0]
local ma = mt.height / (mt.height + mt.depth) * (fi.ascender + fi.descender)
fmtable.down_offset = round(fi.ascender - ma)
local mt = fmtable.char_type[0]
local ma = mt.height / (mt.height + mt.depth) * (fi.ascender + fi.descender)
fmtable.down_offset = round(fi.ascender - ma)