Laurenz f4fd6855e7 Fix and simplify reference supplements
- Fixes #873 by properly handling `none` supplement for`ref`.
- Fixes #523 by adding a `supplement` parameter to `math.equation`
- In the future, we can remove supplement functions in favor of show-set rules with fine-grained selectors. Currently, this is not possible because show-set + synthesis doesn't play well together
2023-05-22 20:56:30 +02:00
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2023-05-20 22:05:55 +02:00