"errorbars" conflicted with "points"

pub/CHANGELOG

+Release 2.4.0e
+
+- Bug fixes:
+  - plot2D did not clear previous plot
+
 Release 2.4.0d (sic) of 08aug17:
 
 - Improved plot symbols, now uniform in Gnuplot and PS/acol7

pub/plot/gnuplotter.cpp

@@ -105,10 +105,9 @@ void CGnuPlotter::add_spec(
         gp_fnames += str(format(" with lines lt 1 lc rgb \"#%6x\"")
                          % ccolor[(style_no-1) % ccolor.size()]);
     else {
-        gp_fnames += str(format(" with points pt %i lc rgb \"#%6x\" lw 2")
+        gp_fnames += str(format(" with %s pt %i lc rgb \"#%6x\" lw 2")
+                         % (plot_errorbars && dyp.size() ? "yerrorlines" : "points")
                          % style_no % pcolor[(style_no-1) %  pcolor.size()]);
-        if (plot_errorbars && dyp.size())
-            gp_fnames += " with errorbars";
     }
     FILE* gp_fd;
     if (!(gp_fd = fopen(gp_fnam.c_str(), "w")))