Lachlan Hunt wrote: > Errors caused by the result of duplicate IDs either in the markup or > indirectly as a result of badly nested elements can be fixed by a quick > visit to the validator (or other conformance tool) or by making use of > any or all of those tools I mentioned above.
It's much harder to spot them when they are dynamically generated by e.g. a cloneNode operation. You can't submit your browser's DOM tree to the validator... Gerv
