Add explanation of show rule scope in footnote (#3187)

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mkpoli 2024-01-26 00:07:37 +09:00 committed by GitHub
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@ -24,7 +24,8 @@ use crate::visualize::{LineElem, Stroke};
/// To customize the appearance of the entry in the footnote listing, see
/// [`footnote.entry`]($footnote.entry). The footnote itself is realized as a
/// normal superscript, so you can use a set rule on the [`super`]($super)
/// function to customize it.
/// function to customize it. You can also apply a show rule to customize
/// only the footnote marker (superscript number) in the running text.
///
/// # Example
/// ```example