local f = (lig ==1) and nullfunc or node_tail
local xc, xs = getcomponents(x), getsubtype(x)
while xc and xs and xs%4>=2 do
- x = f(xc); xc, xs = getcomponents(x), getsubtype(x)
+ x = f(xc);
+ if getid(x)==id_disc then x, xc, xs = nil, getfield(x,'replace'), 2
+ else xc, xs = getcomponents(x), getsubtype(x) end
end
- c = getchar(x)
+ c = x and getchar(x) or c
Nx.pre = table_current_stack[PRE + c] or 0
Nx.post = table_current_stack[POST + c] or 0
else