There are times that it would be a boon to document usability if we could deeply link to other content. The cost of this has been high, because it is an external moving piece that we would have to check up on and maintain. It would be great if the CCMS could check to see that all links actually have non-404 endpoints. Addition functionality could include some mouse-over title checker, or other way of checking, to see that the content today is what it was when you linked to it.
This assumes that ECS is going to adopt deep linking, something that hasn't been established. I'm all for the idea, but it requires that ppl use pressgang, and not everybody does. Let's establish requirements first.
This looks like a request for generic link validity checking. Checking all <a href> targets in a document for a 404 response seems like a sensible thing to do, and a low-hanging fruit. It would be *part* of an eventual larger "deep-linking into other ECS content" solution, but it's valuable in its own right.