Type [ that's an open square bracket, followed, without spaces by the word quote and a closing one.
Then type some text. Then do the square bracket thing again but this time type /QUOTE in between the brackets.
Go on, try it now and post for us all to see what you get.
Well, this is what you get. So thanks for that, problem 90% solved. But what is really twitching my tail is the fact that I used to see an icon to do this easily, but now it's gone! Still, I taught myself computers, whereas the Queen taught me to fly . . . .