Editing xml files with long lines is really slow in vim. What can I do to fix this?

Question

I edit a lot of xml files with vim. The problem is that, because of the long lines, navigation/editing in vim is extremely slow. Is there something I can do (besides turning off

Answer 1

I often replace >< with >\r< -> :s/>\s*\r and then reindent the whole file with gg=G.