add cx_tree_visitor()

fix another superfluous semicolon...

fix superfluous semicolon

add -lm to ldflags on Solaris

fix build in case CX_SZMUL_BUILTIN is undefined

allow freeing tree nodes on exit - fixes #377

add xml test case for the tree iterator

add visit_on_exit to iterator implementation

(0) -300 -100 -30 -10 -8 +8 +10 +30 +100 tip

mercurial