Understanding is insufficient
Precisely my point. Also, if you are imprecise in your day to day communications, a grammatical miscue or spelling error in a text string will bring to question the value of a piece of software. If, for instance, you are installing or even utilizing an application that has spelling errors or whose instructions were not written clearly in the various applets, does that not set off a silent alarm? When I see that in an app, Windows or UNIX command line, I wonder, 'if they don't care enough to keep this 'visible' stuff clean, how good is the underlying code you DON'T see?
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