From 2e03fb34cb9efd3f287b9658a8d84df52ad660dd Mon Sep 17 00:00:00 2001
From: Mathias Fischler <Mafii@users.noreply.github.com>
Date: Sat, 24 Jun 2023 14:18:21 +0200
Subject: Add infrastructure to enrich errors with hints (#1486)

---
 library/src/meta/reference.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'library/src')

diff --git a/library/src/meta/reference.rs b/library/src/meta/reference.rs
index 96358ffa..7f21a3ce 100644
--- a/library/src/meta/reference.rs
+++ b/library/src/meta/reference.rs
@@ -1,3 +1,5 @@
+use typst::diag::Hint;
+
 use super::{BibliographyElem, CiteElem, Counter, Figurable, Numbering};
 use crate::prelude::*;
 use crate::text::TextElem;
@@ -178,11 +180,14 @@ impl Show for RefElem {
                 .numbering()
                 .ok_or_else(|| {
                     eco_format!(
-                        "cannot reference {0} without numbering \
-                        - did you mean to use `#set {0}(numbering: \"1.\")`?",
+                        "cannot reference {} without numbering",
                         elem.func().name()
                     )
                 })
+                .hint(eco_format!(
+                    "did you mean to use `#set {}(numbering: \"1.\")`?",
+                    elem.func().name()
+                ))
                 .at(span)?;
 
             let numbers = refable
-- 
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