feature/noverlay updated (b865053874 -> 75bfb2614d)

[Stefan Monnier]

monnier pushed a change to branch feature/noverlay.

      from  b865053874 src/textprop.c (get_char_property_and_overlay): Fix 
bug#58479
       new  258e618364 Delete the itree_null sentinel node, use NULL everywhere.
       new  4020dde296 ; * src/itree.c: remove 'inline' from functions with 
extern linkage
       new  75bfb2614d Rename itree iterators with itree_iterator prefix


Summary of changes:
 src/eval.c  |   2 +-
 src/itree.c | 321 ++++++++++++++++++++++++++++++------------------------------
 src/itree.h |  39 ++++----
 3 files changed, 182 insertions(+), 180 deletions(-)