DisableServiceUser A (regular user) : This message explains why it's disabled.  Whitespace   is  preserved.
DisableServiceUser uB (regular user) : Testing escaped double "quote" in this string.
DisableServiceUser userC (regular user) : Testing escaped backslash \ in this string.
DisableServiceUser D (regular user) : Testing quoted escaped backslash "\" in this string.
DisableServiceUser E (regular user) : Testing unescaped single backslash \ in this string.