Better handle the situation where the DISPLAY variable is not set, which often causes problems on fringe platforms such as Win32 or the Macintosh.
Better handle the situation where the DISPLAY variable is not set, which
often causes problems on fringe platforms such as Win32 or the Macintosh.

Specifically, McCLIM merged the user-provided server path against the
server path read from the environment, which is wrong. Worse, it errored
unless the environment variable was set, even if the user supplied their
own server path.

quek/mcclim,informatimago/mcclim,informatimago/mcclim,quek/mcclim