[PATCH:xdm 2/5] Add echoPasswdChar resource to set character to display

[Mark Kettenis]

> From: Alan Coopersmith <alan.coopersmith at oracle.com>
> Date: Sat, 19 Feb 2011 22:36:38 -0800
> 
> Stop hardcoding it to '*'.   Allows setting a resource with no value to
> display " " to advance the cursor without drawing text.

What's the motivation for this change?  Giving users more knobs to
play with isn't necessarily going to make them happier.