Tag.onEnter/onLeave: Document.
Tag.onEnter/onLeave: Document.

Change-Id: I4b9f16875029ddd31399c0d09dd74d1a38a24881
Reviewed-on: http://gerrit.aldebaran.lan/30994
Reviewed-by: mnottale <e3ccf1b6558404e921a21fa09cebb1153b50ec36@aldebaran-robotics.com>
Tested-by: mnottale <e3ccf1b6558404e921a21fa09cebb1153b50ec36@aldebaran-robotics.com>

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