Affects Version/s: Minecraft 13w36a
Fix Version/s: None
Put the summary of the bug you're having here
What I expected to happen was...:
I placed a item frame.
What actually happened was...:
Whenever i walked forward the item frame went off the block and it just floated in the air and a walked back it went into the block.
Unable to reproduce.
Note it was placed on a curved tree