finding NFS dirs in csh?

[Doug Gwyn]

In article <160 at its63b.ed.ac.uk> simon at its63b.ed.ac.uk (ECSC68 S Brown CS) writes:
-		if [ -d $1 ]
-		then	;#...
-		elif isremote $1/..
-		then	;#...
-		fi

But (regular_file)/.. is an illegal pathname!
Does NFS really support this?