Allow using newer versions of Gnuplot from calc again

* lisp/calc/calc-graph.el (calc-graph-plot): Don't use the "time"
abbreviation for "timestamp" (bug#39232) -- it's no longer valid
after
https://github.com/gnuplot/gnuplot/commit/b979b5371bc1c18bf8f5bd756e7c1fb54dafd8cc

Copyright-paperwork-exempt: yes

diff --git a/lisp/calc/calc-graph.el b/lisp/calc/calc-graph.el
index 829fa44ca4f1d5afcdab025e8c42074cd593956b..b694a826ce588472a4870d26b1964ba0098d0a92 100644 (file)
--- a/lisp/calc/calc-graph.el
+++ b/lisp/calc/calc-graph.el
@@ -351,7 +351,7 @@
         (if (>= ver 3)
             (insert "set surface\nset nocontour\n"
                     "set " (if calc-graph-is-splot "" "no") "parametric\n"
-                    "set notime\nset border\nset ztics\nset zeroaxis\n"
+                    "set notimestamp\nset border\nset ztics\nset zeroaxis\n"
                     "set view 60,30,1,1\nset offsets 0,0,0,0\n"))
         (setq samples-pos (point))
         (insert "\n\n" str))