... should allow to customize communicator/netscape. a quick test in one of mine parallel-linuxes: "Open Page..." -> "Open the Page..." (search and replace, 2 occurences) gives the expected change in the File menu of the communicator.
but not in slink. perhaps someone can save me from diving into the depths of the debian way to handle netscape. hafi p.s. under debian testet on /usr/lib/netscape/Netscape.ad for communicator 4.5 (installed from .deb“s) and communicator 4.6 (tarball from netscape with debian-installer)

