[document web] focusable focused tag:#document
++[section] tag:body
++++[math] tag:math
++++++[link] focusable class:test id:link-with-href tag:a
++++++++[static] tag:mtext
++++++++++[static] name='Link with href'
++++++[link] id:link-with-event tag:a
++++++++[static] tag:mtext
++++++++++[static] name='Link with mouse event'
++++++[section] id:no-link tag:a
++++++++[static] tag:mtext
++++++++++[static] name='Generic mrow'