font_identifier "LINEW"; font_size design_size * pt#;
font_coding_scheme:="LATEX LINE";
mode_setup;

nominal_width = 2;	% use double-width lines
input c-line;

%arrow dimensions:
arrowlen#=.6*qqw#; arrowht#=.22*qqw#; arrowcurve#=.1*arrowht#;
input line;