<div id="comment:0"></div> CC: @tscrim @slel @kwankyu @kliem Component: **refactoring** Author: **Frédéric Chapoton** Branch/Commit: **[`5a4ba58`](https://github.com/sagemath/sagetrac-mirror/commit/5a4ba58a3ebe5f882d0aa91ece68a7cdf3df3ec0)** Reviewer: **Travis Scrimshaw** _Issue created by migration from https://trac.sagemath.org/ticket/34802_