Possible Duplicate:
How does StackOverflow do its question revision history?

Someone corrected my post. I found the representation of both versions helpful.

What is the name of the concept? What does Stack Overflow use for it?

marked as duplicate by ChrisF, Martijn Pieters, Pops, jonsca, Brad Mace Sep 25 '12 at 14:25

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

migrated from stackoverflow.com Mar 19 '11 at 3:25

This question came from our site for professional and enthusiast programmers.


According to Jeff's 2009 blog post, he uses this algorithm and this implementation.

Not the answer you're looking for? Browse other questions tagged .