hello,
official releases of texmacs don't yet work with maxima 5.9.3,
but it turns out it is easy to patch the texmacs installation by
copying 3 modified files. this message from the texmacs-dev
mailing list has the files attached:
http://lists.gnu.org/archive/html/texmacs-dev/2006-03/msg00019.html
thanks to andrey grozin for providing the patch.
robert dodier