Handle unrecognised options correctly.
# HG changeset patch
# User Bryan O'Sullivan <bos@serpentine.com>
# Node ID 837a023781a0228e5791e8e278129d2d54d13f99
# Parent d2994b5298fb20f87dc1d4747635b280db3c0526
Handle unrecognised options correctly.
mkdir a
cd a
hg init
echo 123 > a
hg add a
hg commit -t "a" -u a -d "0 0"
cd ..
mkdir b
cd b
hg init
echo 321 > b
hg add b
hg commit -t "b" -u b -d "0 0"
hg pull ../a
hg heads