[Docutils-users] Substitution for math formula?

[Oleksandr G. <gav...@gm...>]

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?

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http://defun.work/