# set terminal svg size 600,400 dynamic enhanced fname 'arial'  fsize 10 mousing name "stringvar_5" butt solid 
# set output 'stringvar.5.svg'
set style data lines
set title "Constant string expressions as plot symbols" 
set xrange [ 250.000 : 500.000 ] noreverse nowriteback
beg = 2
end = 4
foo = "                                       1                                        2                                        3                                        4                                        5                                        6"
ERRNO = 0
haystack = "Mon Apr  1 14:15:08 PDT 2013"
needle = ":"
S = 14
x = 0.0
plot 'silver.dat'         u 1:2 lt -1 lw 0.5 notitle,      '' u 1:($3+$1/50.) lt 3 lw 0.5 notitle,      '' using 1:2:( ($2>($3+$1/50.)) ? "J" : "D" ) with labels font "WingDings,28"        title 'Same thing using character glyphs from WingDings font'