Reproduction
❯ clj -X:repo
{:tag :bar,
:attrs {:xmlns "https://sts.amazonaws.com/doc/2011-06-15/"},
:content ({:tag :foo, :attrs {}, :content ("hello, world")})}❯
❯ clj -A:with-aalto -X:repo
{:tag :xmlns.https%3A%2F%2Fsts.amazonaws.com%2Fdoc%2F2011-06-15%2F/bar,
:attrs {},
:content
({:tag
:xmlns.https%3A%2F%2Fsts.amazonaws.com%2Fdoc%2F2011-06-15%2F/foo,
:attrs {},
:content ("hello, world")})}