Code blocks don’t show leading spaces in IE 9 (and 10)
I was trying to edit this person's post. All the spacing is there but it is ignoring all my spaces and indenting. Try editing the post and see what I am doing wrong because all the spaces are there and they are spaces, not tabs.
Incidentally, I would classify this as a bug, even if there is a workaround solution or a reason behind it, because your standard stackoverflow.com poster would expect it to work with the way I posted it, and therefore it should. Something from my experience as a developer of software. They will probably not come here searching for a solution.