Changes

* ''role''<br>An integer which is a bit-wise ORed value of the following constants:

* ''role''<br>An integer which is a bit-wise ORed value of the following constants:

** ''0x1'', author is registered in the Sugar Network (and ''guid'' key is set);

** ''0x1'', author is registered in the Sugar Network (and ''guid'' key is set);

** ''0x10000'', author is the original author of the corresponding resource; if it is not set, user is only a maintainer, e.g., an uploader of a book which has its original authors.

** ''0x10000'', author is the original author of the corresponding resource; if it is not set, user is only a maintainer, e.g., an uploader of a book which has its original authors;

* ''avatar''<br>An url to author's avatar.

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