Thanks to everyone for their help with installing, not in fact modules, but a C library which a module needed in order to run.
Thanks particularly to Les Harris who provided the following incantation: tar xvfz <the downloaded file name>.tar.gz cd <the downloaded file name, now a folder> ./configure make sudo make install which worked fine. The "make" portions took quite a while and seemed to be doing nothing but I was patient and it worked. I now have 2 XML modules running happily on OS X. Here's my next question though. I've downloaded another type of library file which is needed for another project, an HTML syntax checker. The incantation above doesn't work. The contents of the folder don't seem to contain the same kind of configure file. They are: COPYING FILES Makefile Makefile.comm Makefile.lib Makefile.lib.CC Makefile.lib.sun Makefile.prog Makefile.wat README SP.dsw VERSION all doc generic include japan.sgmldecl lib msggen.pl nsgmls sgmlnorm spam spent sunfix.sh sx unicode any suggestions? jh -- ------------------------------------------------------------ John Horner (+612 / 02) 9333 2110 Senior Developer, ABC Online http://abc.net.au/ ------------------------------------------------------------