* mln/core/alias/neighb3d.hh: Add preprocessor command #ifndef.
	* mln/io/dicom/load.hh: Remove dead code.
	* mln/io/plot/save.hh: Update save() method for 1D image.
	* mln/labeling/n_max.hh: Fix algorithm.
	* mln/world/inter_pixel/display_edge.hh: Add documentation
	and fix image dimensions.
	* mln/world/inter_pixel/immerse.hh: Minor update.

git-svn-id: https://svn.lrde.epita.fr/svn/oln/trunk@4310 4aad255d-cdde-0310-9447-f3009e2ae8c0