-> Most of these can be supported trivially, since they are just semantic
-> markup. Make a list of these, and their attributes (and which attributes
-> can contain urls or other javascript injection mechanisms), and I can add
-> them. (Added several now.) Others, like `embed` are *scary*. --[[Joey]]
-
+> Many added now.
+>
+> Things I left out, too hard to understand today:
+> Attributes contenteditabl, contextmenu,
+> data-*, draggable, hidden, role, aria-*. Tags command, keygen,
+> output.
+>
+> Clearly unsafe: embed.
+>
+> Apparently cannot be used w/o javascript: menu.
+>