shortuser should stop before the first space character. Examples: "Foo Bar <foo.bar AT example DOT com>" -> "foo.bar" (instead of "foo.bar AT example DOT com>" as it was before.) "Foo Bar" -> "Foo"

changeset:   0:9426b370c206
tag:         tip
user:        My Name <myname@example.com>
date:        Mon Jan 12 13:46:40 1970 +0000
summary:     commit-1