fixed problem with head/body tags, added dtd, fixed table attributes
add quotes around all attributes (w3c recommendation)
pages pass w3c validator
set -ex
export EDITOR=true
rm -rf test branch
mkdir test
cd test
echo foo>foo
hg init
hg addremove
hg commit
hg verify
cd ..
cp -a test branch
cd branch
echo bar>>foo
hg commit
cd ../test
hg merge ../branch
hg verify