doc: Update documentation for functions returning a graphics handle h (Bug #34761) * voronoi.m, image.m, imagesc.m, imshow.m, area.m, bar.m, barh.m, clabel.m, clf.m, compass.m, ezcontour.m, ezcontourf.m, ezmesh.m, ezmeshc.m, ezplot.m, ezplot3.m, ezpolar.m, ezsurf.m, ezsurfc.m, feather.m, fill.m, findall.m, findobj.m, loglog.m, mesh.m, pareto.m, patch.m, pie.m, pie3.m, plot.m, polar.m, quiver.m, quiver3.m, rectangle.m, ribbon.m, rose.m, scatter.m, scatter3.m, semilogx.m, semilogy.m, slice.m, stem.m, surf.m, surface.m, text.m, title.m, trimesh.m, triplot.m, trisurf.m, xlabel.m, ylabel.m, zlabel.m: Update documentation for functions returning a graphics handle h.

--- a/scripts/plot/ezplot.m
+++ b/scripts/plot/ezplot.m
@@ -61,8 +61,7 @@
 ## @var{n} is a scalar defining the number of points to use in plotting
 ## the function.
 ##
-## The optional return value @var{h} provides a list of handles to the
-## the line objects plotted.
+## The optional return value @var{h} is a graphics handle to the created plot.
 ##
 ## @seealso{plot, ezplot3}
 ## @end deftypefn
@@ -80,6 +79,7 @@
   endif
 endfunction
 
+
 %!demo
 %! ezplot (@cos, @sin)
 
@@ -87,4 +87,5 @@
 %! ezplot ("1/x")
 
 %!demo
-%! ezplot (inline("x^2 - y^2 = 1"))
+%! ezplot (inline ("x^2 - y^2 = 1"))
+