h1

| Changes
small< = @path

a href=url('/h/' + @path) == “#{octicon(:'arrow-left')} back to History”

p.lead

| Showing Changes from
a.removal<> href=url("/#{@path}?at=#{@from}") = @from
| to
a.addition< href=url("/#{@path}?at=#{@to}") = @to