Vim is not an island. Sometimes, the best way to do something is an external program.
Assuming the XML is well-formed, this will do:
<C-[>
:%!xmllint --format %
Vim is not an island. Sometimes, the best way to do something is an external program.
Assuming the XML is well-formed, this will do:
<C-[>
:%!xmllint --format %