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/rectangle.m
+++ b/scripts/plot/rectangle.m
@@ -207,16 +207,16 @@
 %!demo
 %! clf;
 %! axis equal;
-%! rectangle ("Position", [0.05, 0.05, 0.9, 0.9], "Curvature", [0.5, 0.5]);
+%! rectangle ('Position', [0.05, 0.05, 0.9, 0.9], 'Curvature', [0.5, 0.5]);
 
 %!demo
 %! clf;
 %! axis equal;
-%! rectangle ("Position", [0.05, 0.05, 0.9, 0.4], "Curvature", 1.0);
+%! rectangle ('Position', [0.05, 0.05, 0.9, 0.4], 'Curvature', 1.0);
 
 %!demo
 %! clf;
 %! axis equal;
-%! h = rectangle ("Position", [0.05, 0.05, 0.9, 0.4], "Curvature",  1.0);
-%! set (h, "FaceColor", [0, 1, 0]);
+%! h = rectangle ('Position', [0.05, 0.05, 0.9, 0.4], 'Curvature', 1.0);
+%! set (h, 'FaceColor', [0, 1, 0]);