| Letters display the kind of orthographical and punctuational errors that one is supposed to have left behind by the tenth grade. |
| How private worry about hyphens or apostrophes will so often turn a person into a punctuational avenging marauder, a ruthless grammatical Genghis Khan. |
| Of course, neither school specifically sets out to accept or reject gradualistic or punctuational change but they do emphasise different extremes of patterns of evolution. |
| So how could such a critical thing as language evolve in humans, and was its evolution gradual or punctuational? |
