#
# If Path is a Dotfile, or starts with a Period, then the starting Dot is not
# dealt with the Start of the Extension.
#
# An empty String will also be returned, when the Period is the last Character
# in Path.
#
# If Path is a Dotfile, or starts with a Period, then the starting Dot is not
# dealt with the Start of the Extension.
#
# An empty String will also be returned, when the Period is the last Character
# in Path.