Modify documentation to reflect fact that exported arrays hold paths to directories containing files, not files themselves.
Modify documentation to reflect fact that exported arrays hold paths to directories containing files, not files themselves.

git-svn-id: 2974cce4026e817ee12204f55d1593271cd13feb@41484 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

tkob/parrot,tewk/parrot-select,FROGGS/parrot,FROGGS/parrot,gitster/parrot,gitster/parrot,gagern/parrot,tewk/parrot-select,fernandobrito/parrot,gitster/parrot,fernandobrito/parrot,gagern/parrot,FROGGS/parrot,youprofit/parrot,tewk/parrot-select,gagern/parrot,fernandobrito/parrot,gagern/parrot,tkob/parrot,youprofit/parrot,tkob/parrot,parrot/parrot,tewk/parrot-select,fernandobrito/parrot,tkob/parrot,tewk/parrot-select,tkob/parrot,tewk/parrot-select,FROGGS/parrot,gitster/parrot,parrot/parrot,gagern/parrot,parrot/parrot,youprofit/parrot,FROGGS/parrot,gitster/parrot,gitster/parrot,youprofit/parrot,youprofit/parrot,fernandobrito/parrot,tkob/parrot,youprofit/parrot,tkob/parrot,gitster/parrot,FROGGS/parrot,fernandobrito/parrot,tkob/parrot,FROGGS/parrot,gagern/parrot,fernandobrito/parrot,tewk/parrot-select,youprofit/parrot,youprofit/parrot,gagern/parrot,parrot/parrot,parrot/parrot,FROGGS/parrot