Put myself as maintainer (#1398)
DokuWiki writer: Remove broken formatting from headings (#1398)
Merge branch 'claremacrae-dokuwiki'.

Use removeFormatting from Shared instead of the custom unfancy
function.
Shared: Generalized type of removeFormatting.
Better comment on removeFormatting.
EPUB writer: Use stringify instead of custom plainify.

As far as I can tell, it does about the same thing.
Markdown writer:  use Span instead of (hackish) SmallCaps in plainify.
Clarified documentation on small caps.  (#1360)
Markdown writer:  Use span with style for SmallCaps.  (#1360)