How to link to a named anchor in Multimarkdown?

Question

In standard Markdown, place an anchor <a name="abcd"></a> where you want to link to and refer to it on the same page by [link text](#abcd).

(This uses name= and not id=, for reasons explained in this answer.)

Remote references can use [link text](http://...#abcd) of course.

This works like a dream, provided you have control over the source and target texts. The anchor can even appear in a heading, thus:

### <a name="head1234"></a>A Heading in this SO entry!

produces:

and we can even link to it so:

and we can even https://stackoverflow.com/questions/6695439/how-to-link-to-a-named-anchor-in-multimarkdown(#head1234) to it so:

(On SO, the link doesn’t work because the anchor is stripped.)