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c GTX -- Text. Unpack an f77 string and call gx_gtx to output the string.
c
subroutine gtx (px, py, f77chars)
c
real px, py
character*(*) f77chars
integer*2 sppchars(161)
c
c
c Unpack characters from packed input array
c
call f77upk (f77chars, sppchars, min (len(f77chars), 161))
call gxgtx (px, py, sppchars)
c
c
end
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