On 31/07/2014 08:54, David C Brown wrote:
> A pedant such as myself would argue that if you have a lock you must have=
 a
> key to open it,

You are right. But this is a beautiful property of languages:  the economy!
We write "keyless" but the complete meaning is something like: "a lock with=
out
the need to put in the key".
For me this (the language) is not trivial because a lot of people waste tim=
e
disserting on very marginal questions!
       N

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