Underpunctuation is common practice in the legal genre (Duff 1995: 1109). The following two examples are both more than 40 characters in length and contain no punctuation.

Patients diagnosed more recently are probably surviving an average of longer than two years.

The cutlery was chinging as the boat swayed around on the sea.

But in the end, mainly crying out, he fell to raling and wringing his master, upbraiding him that he was not a true Philosopher[…].