enhanced postscript in print.m

[Dmitri A. Sergatskov]

The print.m currently sets postscript terminal into enhanced mode.
This could be nice sometimes, but it also makes printing less WYSIWYGish
(at least for X11 terminal). I.e. things like

title("This_is^a^test")
plot(1:10)
print("-dpsc2","testpsc2.ps")

would look quite different on a screen and on the paper.
I do not remember how matlab handles enhanced postscript
(and I do not have access to it anymore), but I would
argue that no-enhanced postscript should be the default, and
"-enhanced" should be an option.

Sincerely,

Dmitri.
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