Installing libxml2 2.7.8 on Mac OS X LeopardEdit
$ wget ftp://xmlsoft.org/libxml2/LATEST_LIBXML2
$ tar xzvf LATEST_LIBXML2
$ cd libxml2-2.7.8
$ ./configure
$ make
$ make check
$ sudo make install
$ wget ftp://xmlsoft.org/libxml2/LATEST_LIBXML2
$ tar xzvf LATEST_LIBXML2
$ cd libxml2-2.7.8
$ ./configure
$ make
$ make check
$ sudo make install