{{/*
  rules apply in order.
  make sure this does not loop;
  it claims to have edited (and did edit) the text,
  so the result is non-empty,
  but no actual change is made.
*/}}
{{.ReplaceText `cancelled` "canceled"}}
{{.ReplaceText `canceled` "cancelled"}}
-- 1.in --
The context is cancelled.
-- 1.out --
The context is cancelled.
-- 2.in --
The context is canceled.
-- 2.out --
The context is cancelled.