-separated list of patterns to add to the exclude list. This is equivalent
-to the client specifying these patterns with the --exclude option. Only
-one "exclude" option may be specified, but you can use "-" and "+" before
-patterns to specify exclude/include.
+separated list of patterns to add to the exclude list. This is
+equivalent to the client specifying these patterns with the --exclude
+option except that the exclude list is not passed to the client and
+thus only apply on the server. Only one "exclude" option may be
+specified, but you can use "-" and "+" before patterns to specify
+exclude/include.