implement tree continue - fixes #376

add missing cxTreeVisitorDispose() test

add missing header dependencies

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

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

mercurial