Last modified: 2013-11-04 17:29:22 UTC
<hiero>....</hiero> is unparsed but shown as plain wikitext:
The above tag lets you edit the hiero syntax and preview it.
This could be further extended to provide a hiero IME, but that's not going to be on our priority list any time soon.
Moving this back to WikiHiero for writing the VisualEditor rich editor, if someone ever wants to do this (the basic source one is now done).