This time, it was a Munich couple who decided to challenge the constitutionality of a 1993 rule limiting the names of married people to a single hyphen and two last names.
Although the hyphen does look quite a bit like a dash or minus sign, it is a punctuation mark.
Because most tools take standard input as an argument using a hyphen (-), even the argument for using cat to intersperse multiple files with stdin is often not valid.
