mono/mono — pull request #1485 by fquiroz01 (2014-12-30 19:08:31+00:00)
Title: Fix Render problem when the Multiline TextBox, is in a UpdatePanel or an...

...other container

In the next example you can See, the problem the TextBox appends to begin a tab ('\t') character

<%@ Page Language="C#" AutoEventWireup="true" %>