* headers.mk,
	* tests/unit_test/unit-tests.mk: Regen.

	* scribo/binarization/sauvola_threshold_image.hh: Fix namespace
	ambiguity.

	* scribo/io/xml/save.hh
	* scribo/primitive/extract/elements.hh
	* scribo/primitive/merge/components.hh
	* scribo/toolchain/text_in_doc_preprocess.hh
	* scribo/toolchain/text_in_picture.hh
	* src/binarization/ppm_sauvola_ms.cc
	* src/binarization/ppm_sauvola_ms_fg.cc
	* src/binarization/ppm_sauvola_ms_split.cc
	* src/binarization/sauvola_ms.cc
	* src/binarization/sauvola_ms_fg.cc
	* src/binarization/sauvola_ms_split.cc
	* src/contest/hdibco-2010/sauvola_ms_hdibco.cc
	* src/text_in_picture.cc: Add missing includes.

	* scribo/primitive/extract/lines_h_pattern.hh,
	* scribo/primitive/extract/lines_v_pattern.hh: Make sure the
	rectangle have odd dimensions.

	* src/Makefile.am: Remove deprecated include path.

	* src/binarization/ppm_sauvola.cc: Convert to gray level.

	* src/pbm_text_in_doc.cc: Use doc structure.

	* src/text_in_picture_neg.cc: Make use of world::rgb::invert.

	* headers.mk,
	* tests/unit_test/unit-tests.mk: Regen.

	* mln/world/rgb/invert.hh,
	* mln/world/rgb/invert.spe.hh: New.

	* mln/arith/revert.hh,
	* mln/arith/revert.spe.hh: Add a standard dispatch.

	Yann's sandbox.

	* scribo/toolchain/text_in_picture.hh: Remove useless argument.

	* src/text_in_picture_neg.cc: Revert color image.

	* scribo/toolchain/text_in_doc_preprocess.hh,
	* scribo/toolchain/text_in_picture.hh: Do not negate Sauvola's
          output anymore.

Conflicts:
	scribo/sandbox/green/README.green
	scribo/sandbox/green/mln/accu/stat/histo1d.hh
	scribo/sandbox/green/mln/accu/stat/histo2d.hh
	scribo/sandbox/green/mln/accu/stat/histo3d_hsl.hh
	scribo/sandbox/green/mln/accu/stat/histo3d_rgb.hh
	scribo/sandbox/green/mln/clustering/kmean2d.hh
	scribo/sandbox/green/mln/display/display_histo.hh
	scribo/sandbox/green/mln/display/project_histo.hh
	scribo/sandbox/green/mln/fun/p2b/achromatic.hh
	scribo/sandbox/green/mln/fun/v2v/hue_concentration.hh
	scribo/sandbox/green/mln/fun/v2v/rgb_to_achromatism_map.hh
	scribo/sandbox/green/mln/fun/v2v/rgb_to_hsv.hh
	scribo/sandbox/green/use/accu/stat/histo1d/histo1d.cc

	* mln/convert/from_to.hxx,
	* mln/value/int_u.hh: Here.

	* mln/canvas/browsing/backdiagonal2d.hh
	* mln/canvas/browsing/diagonal2d.hh
	* mln/canvas/browsing/directional.hh
	* mln/canvas/browsing/snake_fwd.hh
	* mln/canvas/browsing/snake_generic.hh
	* mln/value/qt/rgb32.hh

	* src/contest/Makefile.am,
	* src/contest/hdibco-2010/Makefile.am: Include scribo.mk instead
	of tests.mk.

	* src/binarization/pgm_sauvola.cc,
	* src/binarization/ppm_sauvola.cc,
	* src/binarization/sauvola.cc: Set default window size to 101.

	* scribo/binarization/internal/compute_sauvola_threshold.hh:
	New. Move sauvola_threshold related routines here.

	* scribo/binarization/internal/first_pass_functor.hh,
	* scribo/binarization/sauvola.hh,
	* scribo/binarization/sauvola_ms.hh,
	* scribo/binarization/sauvola_threshold_image.hh: Move debug
	variables...

	* scribo/binarization/internal/sauvola_debug.hh: ... here. New.

	* scribo/binarization/sauvola_threshold_image_debug.hh: Remove.

	* src/binarization/Makefile.am,
	* src/binarization/sauvola_debug.cc,
	* src/binarization/sauvola_ms_debug.cc: Improve debug outputs.

	* src/binarization/pgm_sauvola_threshold_image.cc: New.