Pavel Rojtberg f0282337e3 simplify error conditions
`A || !A` is `true` so write `(A && B) || !A` as `B || !A`
2015-09-18 12:12:49 +02:00
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2015-09-18 12:12:49 +02:00
2015-03-02 18:13:00 +03:00