daviferreira/medium-editor — pull request #339 by AidanThreadgold (2014-12-08 14:42:10+00:00)
Title: Hide placeholder on mouse click

As part of out integration of this editor, our UX guys (@createdotnet) advised that the placeholder text be hidden when you focus on the editable area, otherwise users might attempt to select the text (which obviously you can't do).