input font-change-xetex
hsize3.4in

myfont{Adobe Caslon Pro}{11}{}hangpun

noindent Some people are for using hanging punctuation,
and some against. In the end, it is a matter of personal
choice. He said, “I use hanging punctuation.”
“But does it really lead to better text justification?”
asked Joe.

bye

! Missing number, treated as zero.
<to be read again>
                   U
setprotcode ...XeTeXprotrudechars =1rpcode #1 U
                                                  "0021 226rpcode #1 U"002C...

hangpun ... {capsslbf }{}setprotcode {fiverm }
                                                  {}setprotcode {fiveit }{...
l.4 myfont{Adobe Caslon Pro}{11}{}hangpun

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