change detection of Doxygen

implement cx_tree_add_node()

add cx_tree_add_node test

add some low level tree function declarations

remove public visibility of default allocator class

merge with remote default

remove unnecessary check

fix missing extern "C"

add missing quotation marks

adds cxReallocate()

(0) -300 -100 -10 +10 +100 +300 +1000 tip

mercurial