Khan/khan-exercises — pull request #31742 by xymostech (2012-10-12 21:55:06+00:00)
Title: Remove our 3-layer redundant snapping

For some reason, we perform snapping 3 times, instead of the required 1.
This apparently leads to some problems. I'm not sure why these problems
occur, but they do, and this fixes them.

Closes 31738, 31739

@eater