+static void
+html_initialise_chart(struct outp_driver *d UNUSED, struct chart *ch)
+{
+
+ FILE *fp;
+
+ make_unique_file_stream(&fp, &ch->filename);
+
+#ifdef NO_CHARTS
+ ch->lp = 0;
+#else
+ ch->pl_params = pl_newplparams();
+ ch->lp = pl_newpl_r ("png", 0, fp, stderr, ch->pl_params);
+#endif
+
+}
+
+static void
+html_finalise_chart(struct outp_driver *d UNUSED, struct chart *ch)
+{
+ free(ch->filename);
+}
+
+
+