This particular issue is unfortunate - it can't be changed without potentially breaking existing programs. See https://github.com/golang/go/issues/11513 https:

This particular issue is unfortunate - it can't be changed without potentially breaking existing programs. See https://github.com/golang/go/issues/11513 https://github.com/golang/go/issues/11513 and https://groups.google.com/forum/#!topic/golang-dev/c9UUfASVPoU https://groups.google.com/forum/#!topic/golang-dev/c9UUfASVP... for some background.