I think part of it is caused by the tab-width setting. The developer appears to have been using a tab-width of 4, and there are some instances where they used s

I think part of it is caused by the tab-width setting. The developer appears to have been using a tab-width of 4, and there are some instances where they used spaces for indentation without realising. The only explains some of the wierdness though. That second link is completely inexplicable.