local cts = compute_total_stretched(p)
if (xcc == ',' or xcc == '、' or xcc == '.' or xcc == '。') and cts>=0 then
local ag = node.new(id_glue) -- additional glue
local cts = compute_total_stretched(p)
if (xcc == ',' or xcc == '、' or xcc == '.' or xcc == '。') and cts>=0 then
local ag = node.new(id_glue) -- additional glue