This is a very common Americanism, double spacing after periods is something I see more than single spacing. I would be more surprised if a 50s American didn't

This is a very common Americanism, double spacing after periods is something I see more than single spacing. I would be more surprised if a 50s American didn't double space after periods. http://www.slate.com/articles/technology/technology/2011/01/space_invaders.html http://www.slate.com/articles/technology/technology/2011/01/...