Don't pessimism and caution naturally go hand in hand?

Punctuation marks are the traffic signals of language: they tell us to slow down, notice this, take a detour, and stop.

No one else understands us 7th sense people. They regard us as freaks. When we point out illiterate mistakes, we are often aggressively instructed to 'get a life' by people who, interestingly, display no evidence of having lives themselves.

Offence is so easily given. And where the 'minority' issue is involved, the rules seem to shift about: most of the time a person who is female/black/disabled/gay wants this not to be their defining characteristic; you are supposed to be blind to it. But then, on other occasions, you are supposed to observe special sensitivity, or show special respect.

All writers learn this, in time: don't show your work to other people until it's safely finished. Even discussing your unborn book in quite general terms can be such an undermining experience that, afterwards, you give it up and go to live in Guatemala.

It should come as no surprise that writers take an interest in punctuation. I have been told that the dying words of one famous 20th-century writer were, "I should have used fewer semicolons" - and although I have spent months fruitlessly trying to track down the chap responsible, I believe it none the less. If it turns out that no one actually did say this on their deathbed, I shall certainly save it up for my own.

As someone who sends texts messages more or less non-stop, I enjoy one particular aspect of texting more than anything else: that it is possible to sit in a crowded railway carriage laboriously spelling out quite long words in full, and using an enormous amount of punctuation, without anyone being aware of how outrageously subversive I am being.