[Docutils-users] Substitution for math formula?

[Oleksandr Gavenko]

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?
--
http://defun.work/


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[Guenter Milde]

Post by Oleksandr Gavenko
.. |fib| replace:: :math:`fib(n) = fib(n-1)+fib(n-2)`
Substitution of mathematic formula: |fib|.
.. |fib| math:: fib(n) = fib(n-1)+fib(n-2)
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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[Bram Geron]

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

Post by Guenter Milde

Post by Oleksandr Gavenko
.. |fib| replace:: :math:`fib(n) = fib(n-1)+fib(n-2)`
Substitution of mathematic formula: |fib|.
.. |fib| math:: fib(n) = fib(n-1)+fib(n-2)
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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