[r20893]

[r20892]

[r20890]

[r20889]

  mode_ref - mode_ref = mode_int operations
- more doxygen docu added
- allow reference mode arithmetic

[r20888]

[r20887]

[r20886]

[r20885]

[r20881]

[r20878]

[r20877]

[r20875]

[r20872]

[r20871]

[r20869]

[r20868]

[r20867]

[r20866]

[r20865]

[r20864]

[r20863]

[r20862]

[r20857]

[r20856]

[r20855]

[r20854]

  split_by_what() function
- BugFix: do not replace the Bad node
- BugFix: wrong var used

[r20853]

[r20851]

[r20850]

[r20849]

[r20847]

- BugFix: to detect that a Cmp must be reavaluated, we give the Cmp node the type true IF there is a chance that it could be evaluated

[r20841]

[r20838]

	* The underlying idea is simply wrong
	* the is_inside function was wrong too, so the wrong optimisation nearly never triggered

[r20834]

[r20828]

[r20827]

[r20820]

[r20819]

[r20806]

[r20803]