* ChangeLog,
* src/demos/Makefile.am, src/demos/semantic_isomorphism/convert.cc,
* src/demos/semantic_isomorphism/main.cc,
* src/demos/semantic_isomorphism/semantic_isomorphism.tex
* src/demos/semantic_isomorphism/test_semantic_isomorphism.cc,
* include/vaucanson/algebra/implementation/letter/char_letter.hh,
* include/vaucanson/automata/generic_contexts/int_based_boolean_automaton.hh,
* include/vaucanson/automata/generic_contexts/int_based_boolean_automaton_structures.hh:
Aesthetic changes and cleanup.
* tools/pretty-printer/genetic.hxx, tools/pretty-printer/render.cc,
* tools/pretty-printer/vcsng.pro, tools/pretty-printer/xml2vcsng.xsl:
Remove layout algorithm as it is out of the Vaucanson bounds.