Provide Users Manual
Documentation with examples would help users
Thank you Andrew Levell-Smith for your link. There is simular but lest detailed guidelines now on WIKI but your link (dated) is much better. JG 's comment is stir valid, now 5 years later.
Aarne Rantala commented
It is quite good, but not too thorough - e.g. there is nothing about filters there ..
Please, guys, add a comment here whenever you find something is missing in the current manual !
Andrew Levell-Smith commented
Found this. Is this what you were looking for?