See https://news.ycombinator.com/item?id=13704054 https://news.ycombinator.com/item?id=13704054. The colon forces the file to be loaded, without it the other fo

See https://news.ycombinator.com/item?id=13704054 https://news.ycombinator.com/item?id=13704054. The colon forces the file to be loaded, without it the other formats are tried first.