Last modified: 2013-12-05 21:42:28 UTC
Same problem as in the screenshot for bug 56270. Possibly related to bug 56126 The Reply field, and its preview, should be correctly indented, when replying to a post or a tangent.
The WMF core features team tracks this bug on Mingle card https://mingle.corp.wikimedia.org/projects/flow/cards/515, but people from the community are welcome to contribute here and in Gerrit.