> >What's the difference ?  And why is a comma required ?
>
> In the first case, 'unnecessarily' is an adverb modifying the
> adjective 'complicated.' In the second case, both 'unnecessary' and
> 'complicated' are adjectives modifying the noun 'devices.' In this
> case a comma is needed to enforce a pause between them and thus divide
> the emphasis equally among them.

Unnecessarily, complicated devices...   (incorrect)
Unnecessarily complicated devices...   (correct)

If one adverb modifies another, no comma is placed to separate them.  In
this case, it is "unnecessarily complicated," not "unnecessarily devices,"
so there is no comma.

__________________
Chris Howie
cra### [at] yahoocom
http://winimizer.virtualave.net

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