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@ndmitchell
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Description
The starlark-rust library uses this code, specifically at https://github.com/facebookexperimental/starlark-rust/blob/13bec61a44dd2ec268403e1d6da4401ea76a3f12/starlark/src/errors/mod.rs#L205-L219. The relevant fragment is:
let snippet = Snippet { title: Some(Annotation { label: Some(annotation_label), id: None, annotation_type: AnnotationType::Error, }), footer: Vec::new(), slices: slice.map(|s| vec![s]).unwrap_or_default(), opt: FormatOptions { color, ..Default::default() }, }; DisplayList::from(snippet)
However, if we have a label containing __, then that text gets lost from the label. The reason is that format_label in
for (idx, element) in label.split("__").enumerate() {
__ to apply italics to alternate parts of the label. That behaviour was super surprising. I can't find it documented. There seems to be no way to turn it off, and no way to apply escaping to stop it happening. Can you suggest how I might get it so that errors don't get changed as they are rendered?