* `expand-file-name' fails to work on any but the machine you dumped Emacs on.
-On some systems, if you use any of the functions which look up
-information in the passwd database before dumping Emacs (say, by using
+On Ultrix, if you use any of the functions which look up information
+in the passwd database before dumping Emacs (say, by using
expand-file-name in site-init.el), then those functions will not work
in the dumped Emacs on any host but the one Emacs was dumped on.
-Apparently, the Yellow Pages (or Network Information Service)
-functions cache information the first time they are called in the
-undumped emacs, this information gets included in the dumped
-executable, and it is then inaccurate if the executable is used on
-another host.
-
The solution? Don't use expand-file-name in site-init.el, or in
-anything it loads. Yuck.
+anything it loads. Yuck - some solution.
+
+I'm not sure why this happens; if you can find out exactly what is
+going on, and perhaps find a fix or a workaround, please let us know.
+Perhaps the YP functions cache some information, the cache is included
+in the dumped Emacs, and is then inaccurate on any other host.
* On some variants of SVR4, Emacs does not work at all with X.