Plot title escaping in gnuplot.lisp (cllib)

[Paolo A. <am...@mc...>]

If a plot title with possibly special characters for gnuplot is fed to a
function in cllib's `gnuplot.lisp', it looks like those characters are not
properly escaped. The following transcript is from a CLISP 2.28 session
under Linux, with CLOCC sources updated a few days ago from the CVS
repository:

  [17]> (cllib:plot-lists '((1 2 3)) :title "Breakfast at Tiffany's")
  Done plotting.
  NIL
  [18]>          line 0: undefined variable: s

The title is displayed as "Breakfast at Tiffany" on the plot.


Paolo
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