Re: Identifying end tags

> I work in a big company where the sites are handled by several programmers,

HTML is a document language for use by authors, not a programming 
language.  I think what  you really need is an intermediate programming
language that is transformed into the final document.

> pieces of code are used several places, others only a few. A standard
> starting code of a block may in some cases have several potential
> counterparts in ending the code, depending on the design. I have had cases

That sounds like a layering violation to me.