diff --git a/doc/design/assistant/progressbars/comment_1_3ea263b1f334e8e38e14f00a96202988._comment b/doc/design/assistant/progressbars/comment_1_3ea263b1f334e8e38e14f00a96202988._comment
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+[[!comment format=mdwn
+ username="http://abhidg.myopenid.com/"
+ ip="129.67.132.87"
+ subject="librsync"
+ date="2012-06-13T02:14:29Z"
+ content="""
+There's librsync which might support reporting the progress through its API, but it seems to be in beta.
+"""]]