Not quite production ready but...

While this version is not yet production ready, it's time to mark a version after deciding on a few key points (ARIA markup, highlighting, modularization).

Features

• simplify highlighting #11
• (un)highlight on focusin and focusout #16
• modularize codebase #17
• fix aria-owns calculation #19
• integrate data-semantic-prefix #24
• add non-equation example #29
• switch role to tree / treeitem #33

Bug fixes

• walker changes activedescendants on all elements #4
• operators are skipped #5
• navigator.move: prevent default #31

The original prototype

This first relases captures the original prototype extracted from https://github.com/zorkow/AIM-Workshop/.