added --html --memory to test htmlReadMemory to test #321632 added various * xmllint.c: added --html --memory to test htmlReadMemory to test #321632 * HTMLparser.c: added various initialization calls which may help #321632 but not conclusive * testapi.c tree.c include/libxml/tree.h: fixed compilation with --with-minimum --with-sax1 and --with-minimum --with-schemas fixing #326442 Daniel