-6 2.8 setxrange
-1.5 1.5 setyrange
20 setxunit
18 setfontsize

traceOx
axeOxarrow


0 xtick
-4 xtick

 
/M {-4 0} def
/O {0 0} def

setTimesItalic
 (O) O uctext
 (M) M uctext

rouge
setTimes
 (0) O dctext

setTimesItalic
 (x) M dctext