# check payees succeeds when all payees are declared:
<
payee foo
2020-01-01 foo
2020-01-02 foo | some description
$ hledger -f - check payees

# and otherwise fails:
<
2020-01-01 foo
$ hledger -f - check payees
>2 /undeclared payee "foo"/
>=1

# or:
<
payee foo
2020-01-01 the payee | foo
$ hledger -f - check payees
>2 /undeclared payee "the payee"/
>=1
