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+This document specifies the current priorities of the project.
+
+Please discuss with maintainers before adding new entries.
+
+# High priority
+
+## User-defined palettes
+
+Allow for the end-user to specify custom palettes.
+
+The primary problem is currently to decide how the interface should be?
+Lua scripts, Python, scripts, webasm...?
+
+## Magnet fractal
+
+The fractal of the form
+
+*z*<sub>*n*+1</sub> = ((*z*<sub>*n*</sub><sup>2</sup> + *c* - 1) / ((2*z*<sub>*n*</sub> + *c* - 2))<sup>2
+
+should be defined with the `magnet` identifier.
+
+## Multibrot Sets
+
+Include more powers of the Multibrot Set fractals.
+Main obstacle is writing them for use with Rug.
+Also finish refactoring of `multibrot4`.
+
+## Modular factorisers
+
+The factorisers (see `benoit/src/render/render/plot.rs`) could be implemented similarly to palettese, etc.
+
+Especially the interior factoriser I am *not* very proud about:
+
+```rust
+let factor = data.distance; // data: RawElement
+```
+
+# Normal priority
+
+## More fractals
+
+Find more fractals to be added.
+
+Requirements include:
+
+* New fractals should be easily recognisable and different from others
+* Although self-similar, new fractals should not perfectly repeat themselves
+
+## Rug replacement
+
+Find a replacement for Rug, optimally a Rust-written project.
+
+This goal depends on the assumption that floating-point operations are **not** necessary for us.
+
+In the case that using floats instead of rationals etc., Rug *appears* to be the best solution, at the moment at least.
+
+# Low priority
+
+## Web front-end
+
+Not currently necessary to include in the main repository.
+Should have the identifier `benoit-web`.
+
+## Interior colour parameters
+
+Should the parameters used internally by `Colour` be RGBA (as they currently are) or another encoding, e.g. XYZA?