--- a/.bashrc	Fri Nov 18 01:09:39 2011 +0200
+++ b/.bashrc	Fri Nov 18 01:13:21 2011 +0200
@@ -240,6 +240,7 @@
   local IFS=':
 '
   for p in /usr/share/man $MANPATH; do
+    [[ -n $p ]] || continue
     p=( $p/man*/* )
     p=( ${p[@]##*/} )
     p=( ${p[@]%.gz} )