Let's stop parser Hell

[Roman D. Boiko]

On Thursday, 5 July 2012 at 15:40:53 UTC, Jacob Carlborg wrote:
> On 2012-07-05 15:08, Roman D. Boiko wrote:
>
>> Anyway I propose to enumerate major use cases first.
>
> Haven't we already done that a couple of times.

Well, we did something like that for DCT... but I doubt that it 
would fit general needs.

If we had, why haven't they been analyzed, classified, discussed, 
etc.? Or have they?