fshift = call_callback("luatexja.set_width", fshift, met, class)
local fheight, fdepth = char_data.height, char_data.depth
if (pwidth ~= fwidth or getfield(p, 'height') ~= fheight or getfield(p, 'depth') ~= fdepth) then
fshift = call_callback("luatexja.set_width", fshift, met, class)
local fheight, fdepth = char_data.height, char_data.depth
if (pwidth ~= fwidth or getfield(p, 'height') ~= fheight or getfield(p, 'depth') ~= fdepth) then