What are the real life implications for an Apache 2 license?

Posted by Duopixel on Programmers See other posts from Programmers or by Duopixel
Published on 2011-03-11T05:45:30Z Indexed on 2011/03/11 8:17 UTC
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I want to use SVG Edit for project. This software is distributed under the Apache 2 license.

I've seen that:

all copies, modified or unmodified, are accompanied by a copy of the licence
all modifications are clearly marked as being the work of the modifier
all notices of copyright, trademark and patent rights are reproduced accurately in distributed copies
the licensee does not use any trademarks that belong to the licensor

Do these pertain to the code or should I display the license somewhere in the GUI? The orignal software displays a "powered by SVG Edit", is it ok if I remove this? And most importantly: what is the correct etiquette for doing this? I don't want to be an asshole, but at the same time I want to simplify the UI as much as possible and removing the link will be part of it if it's not considered rude.

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