polydiv directive

`polydiv` directive#

The polydiv directive renders a polynomial long-division layout as an SVG figure. It supports step-by-step reveal and custom variable names.

:::{polydiv}
:p: x^3 - 3x^2 + 1
:q: x - 1
:width: 80%
:::

Use stage to show only the first n steps of the division:

:::{polydiv}
:p: x^3 - 3x^2 + 1
:q: x - 1
:stage: 2
:width: 80%
:::

Option	Meaning	Default
`p`	Dividend polynomial	(required)
`q`	Divisor polynomial	(required)
`stage`	Number of steps to reveal (0 = all)	`0`
`vars`	Variable name (e.g. `t` instead of `x`)	`x`
`inline`	Render inline (no figure wrapper)	off
`width`	CSS width	—
`align`	`left`, `center`, or `right`	—
`class`	Extra CSS classes	—
`name`	Stable anchor / reference name	—
`alt`	Alt text	—
`nocache` / `cache`	Force regeneration / enable caching	—