set title "set minussign; set micro"
unset minus
unset micro
set label 1 gprintf("no special characters:  %.2s %cUnits", -1.23e-6)
set minus
set micro
set label 2 gprintf("   special characters:  %.2s %cUnits", -1.23e-6)
set label 3 sprintf("current encoding %s", GPVAL_ENCODING)

set label 1 at 1,4 font ",20"
set label 2 at 1,3 font ",20"
set label 3 at 1,1 font ",15" noenhanced

unset border
unset xtics
unset ytics
unset key

plot [0:10][0:10] -10

pause -1 "Hit return to continue"
reset