"obvious" requirements

[Robert Dewar]

> Regardless of the academic history of this particular usage of the term,
> it nevertheless has a strongly vulgar connotation, and IMHO should be
> avoided in the GCC manual.  There are many people who would look for
> any excuse to write GCC off as not a serious contender (maintained by
> a bunch of part-time amateurs who can't even write a proper manual,
> they would like to think) so it is important that the official GCC
> documentation be written in a serious tone.

I strongly agree this this statement.