Use Matlab coding conventions for demos in plot/ directory. * contrast.m, axis.m, clabel.m, colorbar.m, comet.m, contour.m, contour3.m, cylinder.m, daspect.m, errorbar.m, ezplot.m, fplot.m, grid.m, hold.m, isosurface.m, legend.m, loglog.m, loglogerr.m, pareto.m, patch.m, pbaspect.m, pie.m, pie3.m, plot3.m, plotmatrix.m, plotyy.m, quiver.m, quiver3.m, rectangle.m, refreshdata.m, scatter.m, scatter3.m, semilogx.m, semilogxerr.m, semilogy.m, semilogyerr.m, shading.m, stem.m, subplot.m, text.m, title.m, trimesh.m, triplot.m, trisurf.m, uigetdir.m, uigetfile.m, uimenu.m, uiputfile.m, waitbar.m, xlim.m, ylim.m, zlim.m: Use Matlab coding conventions for demos so that compare plots scripts will function.

--- a/scripts/plot/stem.m
+++ b/scripts/plot/stem.m
@@ -102,31 +102,31 @@
 %! clf;
 %! x = 1:10;
 %! y = 2*x;
-%! h = stem (x, y, "r");
+%! h = stem (x, y, 'r');
 
 %!demo
 %! clf;
 %! x = 1:10;
 %! y = 2*x;
-%! h = stem (x, y, "-.k");
+%! h = stem (x, y, '-.k');
 
 %!demo
 %! clf;
 %! x = 1:10;
 %! y = 2*x;
-%! h = stem (x, y, "-.k.");
+%! h = stem (x, y, '-.k.');
 
 %!demo
 %! clf;
 %! x = 1:10;
 %! y = 2*x;
-%! h = stem (x, y, "filled");
+%! h = stem (x, y, 'filled');
 
 %!demo
 %! clf;
 %! x = (0 : 10)';
 %! y = [sin(x), cos(x)];
 %! h = stem (x, y);
-%! set (h(2), "color", "g");
-%! set (h(1), "basevalue", -1)
+%! set (h(2), 'color', 'g');
+%! set (h(1), 'basevalue', -1)