MB-25872: Handle errors when opening a manual page
MB-25872: Handle errors when opening a manual page

Change-Id: Id7f8ae4b847ad532347c3bab491bb7aaff88c6e9
Reviewed-on: http://review.couchbase.org/79574
Reviewed-by: Eben Haber <d1abc94d70526bfcf3e4b0ce727cb9a6fbb52a3a@couchbase.com>
Tested-by: Michael Wiederhold <a17fed27eaa842282862ff7c1b9c8395a26ac320@couchbase.com>

couchbase/couchbase-cli,couchbase/couchbase-cli