[llvm-dev] Using isonum.txt substitutions in reST documents?

[Justin Bogner via llvm-dev]

"Robinson, Paul via llvm-dev" <llvm-dev at lists.llvm.org> writes:
> I'd like to use one of the special marks (the circle-R registered
> trademark symbol) on a webpage that's coded in .rst format.  On an
> HTML page I'd use ® but I'm less comfortable with reST.  It
> looks like I'd need to add
>   .. include:: isonum.txt
> and then I could use the |reg| substitution in the body text.
>
> Would that work?  Would anybody mind?  I'd naively expect that
> whatever process converts the .rst to HTML has isonum.txt, but I
> don't actually know how that works.

Yes, this seems fine, though the include is spelled like:

  .. include:: <isonum.txt>

The RST docs that describe this, for reference:

  http://docutils.sourceforge.net/docs/ref/rst/definitions.html