[FurrBall]

  "the tools I use recognize that structure"

Yes. I would describe it as parsing the content into a tree. Interaction's with content can then be legal operations on the tree, instead of random acts on plain text.

Thank you for putting in the labor to create tree-based interaction.

[japhyr]

Here's my initial stab at crowdsourcing educational standards, if you're curious:

http://opencompetencies.org