to mount the file system at that point. An optional parenthesized list
of export parameters may follow each machine name. Blank lines are
ignored, and a # introduces a comment to the end of the line. Entries may
-be continued across newlines using a backslash.
+be continued across newlines using a backslash. If export name contains spaces
+it should be quoted using double-quotes. You can also specify spaces
+or any other unusual characters in the export path name using a
+backslash followed by the character code as 3 octal digits.
.PP
.SS Machine Name Formats
NFS clients may be specified in a number of ways:
You can also export directories to all hosts on an IP (sub-) network
simultaneously. This is done by specifying an IP address and netmask pair
as
-.IR address/netmask .
+.IR address/netmask
+where the netmask can be specified in dotted-decimal format, or as a
+contiguous mask length (for example, either `/255.255.252.0' or `/22' appended
+to the network base address result in identical subnetworks with 10 bits of
+host).
.TP
'''.B =public
'''This is a special ``hostname'' that identifies the given directory name