SNIP
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>The VFP Documentation team do a great job, but they simply cannot cover all the angles and to attribute any perceived shortcomings to laziness on their part seems a little ungracious to say the least.

With all due respect, Andy, can you show me where I said ANYTHING about LAZINESS... and specifically about the VFP documentation Team???? I see only a giant leap of illogic in your attribution of such to me.

Saying that something 'becomes the excuse...' does not at all equate to "laziness". It does refer to a business decision process that might opt for 'not worth even trying' but that is decidedly NOT "laziness". Mis-direction, yes, but laziness, no. Geez, in the same message I also said that the CURSORADAPTER() was comparatively heavily documented! (based on all the questions that have arisen, though, obviously still not enough).

In a similar vein, starting off with the preposition that "complete testing is impossible so we'll shoot for 80% (or 70% or whatever)" sounds both reasonable and sensible.
But in fact it is a wholly fallacious statement! To KNOW that one has achieved any specific percentage of the whole, the whole must be known.
Now it is true that it IS possible that someone would determine what the whole is before agreeing to an 80% objective, but I feel comfortable in saying that this is decidedly not the case on the vast vast majority of situations.
So the statement '...shoot for 80% testing...' is, in actuality, a license to do whatever one feels meets "adequate". Is this laziness - surely not! Is this poor direction/management?... yes. Far far better to make a list of everything that NEEDS to be tested and shoot for 100% of that than to shoot for 80% of who-knows-what.