Re: Substitution for math formula?

Which is probably a good thing: the math directive compiles to a
display:block in HTML; the math role compiles to a display:inline in
HTML. The compiled HTML would break if you could (easily) put a math
directive in a paragraph.

Cheers, Bram


On Tue, 16 Feb 2016, at 11:40 AM, Guenter Milde wrote:
> On 2016-02-15, Oleksandr Gavenko wrote:
> > This:
> 
> >   .. |fib| replace:: :math:`fib(n) = fib(n-1)+fib(n-2)`
> 
> > works in:
> 
> >   Substitution of mathematic formula: |fib|.
> 
> > But this:
> 
> >   .. |fib| math:: fib(n) = fib(n-1)+fib(n-2)
> 
> > produced error:
> 
> >   main.rst:211: (WARNING/2) Substitution definition "fib" empty or invalid.
> 
> >   ..    |fib| math:: fib(n) = fib(n-1)+fib(n-2)
> 
> >   main.rst:209: (ERROR/3) Undefined substitution referenced: "fib".
> 
> > HTML output from rst2html have marked |fib| and formula shown only for
> > directive.
> 
> > It that correct?
> 
> Yes, the second syntax is invalid. There is a limited set of replacement
> options, only the directives listed in
> http://docutils.sourceforge.net/docs/ref/rst/directives.html#directives-for-substitution-definitions
> and image are supported.
> 
> Günter
> 
> 
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