From the picture linked in https://news.ycombinator.com/item?id=36990987 https://news.ycombinator.com/item?id=36990987, it's an artifacting of Wikipedia's table

From the picture linked in https://news.ycombinator.com/item?id=36990987 https://news.ycombinator.com/item?id=36990987, it's an artifacting of Wikipedia's table layout. It looks like you should count all of the cells in the top row as being equal width, save the 'e' box's extension into the top row, which is two cells wide. So 'c'/'m'/'u' are the same size as 'd'/'n'/'t' and 'h'/3-em spaces, 'i'/'o'/'a', 's'/'r', and 2-3em quads, with 'e' being larger by the size of 2 digit spaces.