If you check the spelling of a word at dictionary.com, and perhaps even use cut and paste, nobody expects you to give a reference for that. Nobody expects you to give a reference to your elementary school teacher for your most basic knowledge.
Generally if you have to look something up when writing a message, you probably should give a reference, except in trivial cases such as looking up the spelling. Yes, there is a question of judgement as to exactly where the border is. In the case of
Message 26, I agree with Brian that a reference was clearly appropriate.
Don't take this as criticism. Take it as an attempt to be helpful. To those of use in universities, appropriate quoting is part of the scholarly tradition. For a lot of other people, it does not come as naturally.
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