On Wednesday, February 27, 2013 7:24:36 AM UTC-8, Travis Scrimshaw wrote:
>
> Hey everyone,
> While reviewing #14130, there was a multiline array* environment inside
> of a .. MATH::, and this ended up building just fine as html, but did not
> compile in pdf form. For example, suppose you have:
>
> .. MATH::
>
> \begin{align*}
> f(x) & = x^2 - 2 \\
> g(x) & = \frac{f(x) - x^3}{x-3}
> \end{align*}
>
> This would build as a html doc, but would fail as a pdf doc. Is this a bug
> or is there a better way of doing things?
>
The problem is the "align" environment: it is not meant to be used in math
mode, but rather as a way to enter math mode instead of \[ \] delimiters
(or $$ $$ delimiters, etc.). Using the ".. math::" markup tells Sphinx that
the following code should be typeset in math mode, and then using
\begin{align} tells it to enter math mode again, and this naturally leads
to an error when you run pdflatex on it. You can look at the LaTeX source
code to check (in doc/output/latex/en/...); it will probably have an align
environment nested inside a gather environment.
Using an environment like "aligned" is better, since aligned is meant to be
used within math mode.
So no, I don't think it's a bug.
--
John
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