Program logic bugs vs input/environmental errors

[Paolo Invernizzi via Digitalmars-d]

On Wednesday, 1 October 2014 at 14:46:50 UTC, Steven 
Schveighoffer wrote:
> On 10/1/14 10:36 AM, Bruno Medeiros wrote:
>
>This is a grey area that I think reasonable people
> can correctly call a bug if they so wish, despite the 
> intentions of the developer.

Correctly?

In a discussion, It's amazing how difficult it is to agree also 
on simple words meaning: an _intentional programmer behaviour_ a 
bug?

Whah ;-P

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/Paolo