feat: better alt text for footnote links

crates/typst-layout/src/rules.rs

@@ -384,7 +384,7 @@ const FOOTNOTE_RULE: ShowFn<FootnoteElem> = |elem, engine, styles| {
     let numbering = elem.numbering.get_ref(styles);
     let counter = Counter::of(FootnoteElem::ELEM);
     let num = counter.display_at_loc(engine, loc, styles, numbering)?;
-    let alt = num.plain_text();
+    let alt = FootnoteElem::alt_text(styles, &num.plain_text());
     let sup = PdfMarkerTag::Label(SuperElem::new(num).pack().spanned(span));
     let loc = loc.variant(1);
     // Add zero-width weak spacing to make the footnote "sticky".

crates/typst-library/src/model/footnote.rs

@@ -1,6 +1,7 @@
 use std::num::NonZeroUsize;
 use std::str::FromStr;
 
+use ecow::{eco_format, EcoString};
 use typst_utils::NonZeroExt;
 
 use crate::diag::{bail, StrResult};
@@ -12,7 +13,7 @@ use crate::foundations::{
 use crate::introspection::{Count, CounterUpdate, Locatable, Location};
 use crate::layout::{Abs, Em, Length, Ratio};
 use crate::model::{Numbering, NumberingPattern, ParElem};
-use crate::text::{TextElem, TextSize};
+use crate::text::{LocalName, TextElem, TextSize};
 use crate::visualize::{LineElem, Stroke};
 
 /// A footnote.
@@ -82,7 +83,16 @@ impl FootnoteElem {
     type FootnoteEntry;
 }
 
+impl LocalName for Packed<FootnoteElem> {
+    const KEY: &'static str = "footnote";
+}
+
 impl FootnoteElem {
+    pub fn alt_text(styles: StyleChain, num: &str) -> EcoString {
+        let local_name = Packed::<FootnoteElem>::local_name_in(styles);
+        eco_format!("{local_name} {num}")
+    }
+
     /// Creates a new footnote that the passed content as its body.
     pub fn with_content(content: Content) -> Self {
         Self::new(FootnoteBody::Content(content))

crates/typst-library/src/pdf/accessibility.rs

@@ -122,7 +122,8 @@ macro_rules! pdf_marker_tag {
                 #[doc = $doc]
                 #[allow(non_snake_case)]
                 pub fn $variant(body: Content) -> Content {
-                    Self::new(PdfMarkerTagKind::$variant, body).pack()
+                    let span = body.span();
+                    Self::new(PdfMarkerTagKind::$variant, body).pack().spanned(span)
                 }
             )+
         }

crates/typst-library/translations/ar.txt

@@ -6,3 +6,4 @@ heading = الفصل
 outline = المحتويات
 raw = قائمة
 page = صفحة
+# footnote =

crates/typst-library/translations/bg.txt

@@ -6,3 +6,4 @@ heading = Раздел
 outline = Съдържание
 raw = Приложение
 page = стр.
+# footnote =

crates/typst-library/translations/ca.txt

@@ -6,3 +6,4 @@ heading = Secció
 outline = Índex
 raw = Llistat
 page = pàgina
+# footnote =

crates/typst-library/translations/cs.txt

@@ -6,3 +6,4 @@ heading = Kapitola
 outline = Obsah
 raw = Výpis
 page = strana
+# footnote =

crates/typst-library/translations/da.txt

@@ -6,3 +6,4 @@ heading = Afsnit
 outline = Indhold
 raw = Liste
 page = side
+# footnote =

crates/typst-library/translations/de.txt

@@ -6,3 +6,4 @@ heading = Abschnitt
 outline = Inhaltsverzeichnis
 raw = Listing
 page = Seite
+footnote = Fußnote

crates/typst-library/translations/el.txt

@@ -5,3 +5,4 @@ bibliography = Βιβλιογραφία
 heading = Κεφάλαιο
 outline = Περιεχόμενα
 raw = Παράθεση
+# footnote =

crates/typst-library/translations/en.txt

@@ -6,3 +6,4 @@ heading = Section
 outline = Contents
 raw = Listing
 page = page
+footnote = Footnote

crates/typst-library/translations/es.txt

@@ -6,3 +6,4 @@ heading = Sección
 outline = Índice
 raw = Listado
 page = página
+# footnote =

crates/typst-library/translations/et.txt

@@ -6,3 +6,4 @@ heading = Peatükk
 outline = Sisukord
 raw = List
 page = lk.
+# footnote =

crates/typst-library/translations/eu.txt

@@ -6,3 +6,4 @@ heading = Atala
 outline = Aurkibidea
 raw = Kodea
 page = orria
+# footnote =

crates/typst-library/translations/fi.txt

@@ -6,3 +6,4 @@ heading = Osio
 outline = Sisällys
 raw = Esimerkki
 page = sivu
+# footnote =

crates/typst-library/translations/fr.txt

@@ -6,3 +6,4 @@ heading = Chapitre
 outline = Table des matières
 raw = Liste
 page = page
+# footnote =

crates/typst-library/translations/gl.txt

@@ -6,3 +6,4 @@ heading = Sección
 outline = Índice
 raw = Listado
 page = páxina
+# footnote =

crates/typst-library/translations/he.txt

@@ -6,3 +6,4 @@ heading = חלק
 outline = תוכן עניינים
 raw = קטע מקור
 page = עמוד
+# footnote =

crates/typst-library/translations/hr.txt

@@ -6,3 +6,4 @@ heading = Odjeljak
 outline = Sadržaj
 raw = Kôd
 page = str.
+# footnote =

crates/typst-library/translations/hu.txt

@@ -6,3 +6,4 @@ heading = Fejezet
 outline = Tartalomjegyzék
 # raw =
 page = oldal
+# footnote =

crates/typst-library/translations/id.txt

@@ -6,3 +6,4 @@ heading = Bagian
 outline = Daftar Isi
 raw = Kode
 page = halaman
+# footnote =

crates/typst-library/translations/is.txt

@@ -6,3 +6,4 @@ heading = Kafli
 outline = Efnisyfirlit
 raw = Sýnishorn
 page = blaðsíða
+# footnote =

crates/typst-library/translations/it.txt

@@ -6,3 +6,4 @@ heading = Sezione
 outline = Indice
 raw = Codice
 page = pag.
+# footnote =

crates/typst-library/translations/ja.txt

@@ -6,3 +6,4 @@ heading = 節
 outline = 目次
 raw = リスト
 page = ページ
+# footnote =

crates/typst-library/translations/la.txt

@@ -6,3 +6,4 @@ heading = Caput
 outline = Index capitum
 raw = Exemplum
 page = charta
+# footnote =

crates/typst-library/translations/lv.txt

@@ -6,3 +6,4 @@ heading = Sadaļa
 outline = Saturs
 raw = Saraksts
 page = lpp.
+# footnote =

crates/typst-library/translations/nb.txt

@@ -6,3 +6,4 @@ heading = Kapittel
 outline = Innhold
 raw = Utskrift
 page = side
+# footnote =

crates/typst-library/translations/nl.txt

@@ -6,3 +6,4 @@ heading = Hoofdstuk
 outline = Inhoudsopgave
 raw = Listing
 page = pagina
+# footnote =

crates/typst-library/translations/nn.txt

@@ -6,3 +6,4 @@ heading = Kapittel
 outline = Innhald
 raw = Utskrift
 page = side
+# footnote =

crates/typst-library/translations/pl.txt

@@ -6,3 +6,4 @@ heading = Sekcja
 outline = Spis treści
 raw = Program
 page = strona
+# footnote =

crates/typst-library/translations/pt-PT.txt

@@ -6,3 +6,4 @@ heading = Secção
 outline = Índice
 # raw =
 page = página
+# footnote =

crates/typst-library/translations/pt.txt

@@ -6,3 +6,4 @@ heading = Seção
 outline = Sumário
 raw = Listagem
 page = página
+# footnote =

crates/typst-library/translations/ro.txt

@@ -7,3 +7,4 @@ outline = Cuprins
 # may be wrong
 raw = Listă
 page = pagina
+# footnote =

crates/typst-library/translations/ru.txt

@@ -6,3 +6,4 @@ heading = Раздел
 outline = Содержание
 raw = Листинг
 page = с.
+# footnote =

crates/typst-library/translations/sl.txt

@@ -6,3 +6,4 @@ heading = Poglavje
 outline = Kazalo
 raw = Program
 page = stran
+# footnote =

crates/typst-library/translations/sq.txt

@@ -6,3 +6,4 @@ heading = Kapitull
 outline = Përmbajtja
 raw = List
 page = faqe
+# footnote =

crates/typst-library/translations/sr.txt

@@ -6,3 +6,4 @@ heading = Поглавље
 outline = Садржај
 raw = Програм
 page = страна
+# footnote =

crates/typst-library/translations/sv.txt

@@ -6,3 +6,4 @@ heading = Avsnitt
 outline = Innehåll
 raw = Kodlistning
 page = sida
+# footnote =

crates/typst-library/translations/tl.txt

@@ -6,3 +6,4 @@ heading = Seksyon
 outline = Talaan ng mga Nilalaman
 raw = Listahan
 # page =
+# footnote =

crates/typst-library/translations/tr.txt

@@ -6,3 +6,4 @@ heading = Bölüm
 outline = İçindekiler
 raw = Liste
 page = sayfa
+# footnote =

crates/typst-library/translations/uk.txt

@@ -6,3 +6,4 @@ heading = Розділ
 outline = Зміст
 raw = Лістинг
 page = c.
+# footnote =

crates/typst-library/translations/vi.txt

@@ -7,3 +7,4 @@ outline = Mục lục
 # may be wrong
 raw = Chương trình
 page = trang
+# footnote =

crates/typst-library/translations/zh-TW.txt

@@ -6,3 +6,4 @@ heading = 小節
 outline = 目錄
 raw = 程式
 # page =
+# footnote =

crates/typst-library/translations/zh.txt

@@ -6,3 +6,4 @@ heading = 小节
 outline = 目录
 raw = 代码
 # page =
+# footnote =