Sign on Fence

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen here
before 1.5.2 can put sign on fence and type text on sign
What actually happened was...:
Describe what happened here
on 1.6.1 put sign on fence with type no text on sign
Steps to Reproduce:
1. i just hold sign click on fence pole
2. ... then no text show up
3. ...