[Lynx-dev] Copyright violation? How?

[Mouse]

I tried what was reported in the thread about Google's changes, setting
the user-agent to claim to be Mozilla.

Upon setting this, lynx told me

WARNING: Misrepresentation of the User-Agent may be a copyright violation!

This makes me curious.  Whose copyright is potentially being violated
by changing the user-agent setting, and why/how?  I had a quick look at
the overall copyright notices, and found nothing obviously relevant; of
course, I haven't looked at each file's copyright license individually.

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