[OS X TeX] Missing $ inserted in a "variations" environment

[Alain Schremmer]

On Mar 15, 2009, at 1:39 PM, Jonathan Kew wrote:
>  Thus:
>
> 	\noindent \makebox[\textwidth][c]{
> 	\begin{variations}
> 	x & & \mI & & \alpha& & & 1 & & \beta& & & 2 & & \pI & \\
> 	\filet
> 	f'(x) & \bg & & + & \bb& & + & \z & -& \bb & & - &\z& + & &\bd \\
> 	\filet
> 	\m{f(x)} & \bg & \mI & \c \h{\pI} & \bb& \mI & \c & \h{-1} & \d  
> \mI & \bb
> 	& \h{\pI}& \d &\frac{3}{2}& \c
> 	& \h{\pI} & \bd \\
> 	\end{variations}
> 	}

works.

I have filed the whole message away for when I have the time to check  
in detail why you did what you did to isolate the error.

Very impressed regards
--schremmer