diff --git a/crates/typst-html/src/rules.rs b/crates/typst-html/src/rules.rs
index 846cb5eb5..d861249f5 100644
--- a/crates/typst-html/src/rules.rs
+++ b/crates/typst-html/src/rules.rs
@@ -59,19 +59,11 @@ pub fn register(rules: &mut NativeRuleMap) {
     rules.register::<FrameElem>(Paged, |elem, _, _| Ok(elem.body.clone()));
 }
 
-const STRONG_RULE: ShowFn<StrongElem> = |elem, _, _| {
-    Ok(HtmlElem::new(tag::strong)
-        .with_body(Some(elem.body.clone()))
-        .pack()
-        .spanned(elem.span()))
-};
+const STRONG_RULE: ShowFn<StrongElem> =
+    |elem, _, _| Ok(HtmlElem::new(tag::strong).with_body(Some(elem.body.clone())).pack());
 
-const EMPH_RULE: ShowFn<EmphElem> = |elem, _, _| {
-    Ok(HtmlElem::new(tag::em)
-        .with_body(Some(elem.body.clone()))
-        .pack()
-        .spanned(elem.span()))
-};
+const EMPH_RULE: ShowFn<EmphElem> =
+    |elem, _, _| Ok(HtmlElem::new(tag::em).with_body(Some(elem.body.clone())).pack());
 
 const LIST_RULE: ShowFn<ListElem> = |elem, _, styles| {
     Ok(HtmlElem::new(tag::ul)
@@ -86,8 +78,7 @@ const LIST_RULE: ShowFn<ListElem> = |elem, _, styles| {
                 .pack()
                 .spanned(item.span())
         }))))
-        .pack()
-        .spanned(elem.span()))
+        .pack())
 };
 
 const ENUM_RULE: ShowFn<EnumElem> = |elem, _, styles| {
@@ -114,7 +105,7 @@ const ENUM_RULE: ShowFn<EnumElem> = |elem, _, styles| {
         li.with_body(Some(body)).pack().spanned(item.span())
     }));
 
-    Ok(ol.with_body(Some(body)).pack().spanned(elem.span()))
+    Ok(ol.with_body(Some(body)).pack())
 };
 
 const TERMS_RULE: ShowFn<TermsElem> = |elem, _, styles| {
@@ -166,8 +157,7 @@ const LINK_RULE: ShowFn<LinkElem> = |elem, engine, _| {
     Ok(HtmlElem::new(tag::a)
         .with_optional_attr(attr::href, href)
         .with_body(Some(elem.body.clone()))
-        .pack()
-        .spanned(elem.span()))
+        .pack())
 };
 
 const HEADING_RULE: ShowFn<HeadingElem> = |elem, engine, styles| {
@@ -203,10 +193,9 @@ const HEADING_RULE: ShowFn<HeadingElem> = |elem, engine, styles| {
             .with_attr(attr::role, "heading")
             .with_attr(attr::aria_level, eco_format!("{}", level + 1))
             .pack()
-            .spanned(span)
     } else {
         let t = [tag::h2, tag::h3, tag::h4, tag::h5, tag::h6][level - 1];
-        HtmlElem::new(t).with_body(Some(realized)).pack().spanned(span)
+        HtmlElem::new(t).with_body(Some(realized)).pack()
     })
 };
 
@@ -225,17 +214,13 @@ const FIGURE_RULE: ShowFn<FigureElem> = |elem, _, styles| {
     // Ensure that the body is considered a paragraph.
     realized += ParbreakElem::shared().clone().spanned(span);
 
-    Ok(HtmlElem::new(tag::figure)
-        .with_body(Some(realized))
-        .pack()
-        .spanned(span))
+    Ok(HtmlElem::new(tag::figure).with_body(Some(realized)).pack())
 };
 
 const FIGURE_CAPTION_RULE: ShowFn<FigureCaption> = |elem, engine, styles| {
     Ok(HtmlElem::new(tag::figcaption)
         .with_body(Some(elem.realize(engine, styles)?))
-        .pack()
-        .spanned(elem.span()))
+        .pack())
 };
 
 const QUOTE_RULE: ShowFn<QuoteElem> = |elem, _, styles| {
@@ -376,19 +361,11 @@ fn show_cell(tag: HtmlTag, cell: &Cell, styles: StyleChain) -> Content {
         .spanned(cell.span())
 }
 
-const SUB_RULE: ShowFn<SubElem> = |elem, _, _| {
-    Ok(HtmlElem::new(tag::sub)
-        .with_body(Some(elem.body.clone()))
-        .pack()
-        .spanned(elem.span()))
-};
+const SUB_RULE: ShowFn<SubElem> =
+    |elem, _, _| Ok(HtmlElem::new(tag::sub).with_body(Some(elem.body.clone())).pack());
 
-const SUPER_RULE: ShowFn<SuperElem> = |elem, _, _| {
-    Ok(HtmlElem::new(tag::sup)
-        .with_body(Some(elem.body.clone()))
-        .pack()
-        .spanned(elem.span()))
-};
+const SUPER_RULE: ShowFn<SuperElem> =
+    |elem, _, _| Ok(HtmlElem::new(tag::sup).with_body(Some(elem.body.clone())).pack());
 
 const UNDERLINE_RULE: ShowFn<UnderlineElem> = |elem, _, _| {
     // Note: In modern HTML, `<u>` is not the underline element, but
@@ -427,8 +404,7 @@ const RAW_RULE: ShowFn<RawElem> = |elem, _, styles| {
 
     Ok(HtmlElem::new(if elem.block.get(styles) { tag::pre } else { tag::code })
         .with_body(Some(Content::sequence(seq)))
-        .pack()
-        .spanned(elem.span()))
+        .pack())
 };
 
 const RAW_LINE_RULE: ShowFn<RawLine> = |elem, _, _| Ok(elem.body.clone());
diff --git a/crates/typst-layout/src/rules.rs b/crates/typst-layout/src/rules.rs
index c78f94d55..f21cd17ab 100644
--- a/crates/typst-layout/src/rules.rs
+++ b/crates/typst-layout/src/rules.rs
@@ -272,7 +272,7 @@ const HEADING_RULE: ShowFn<HeadingElem> = |elem, engine, styles| {
         BlockElem::new().with_body(Some(BlockBody::Content(realized)))
     };
 
-    Ok(block.pack().spanned(span))
+    Ok(block.pack())
 };
 
 const FIGURE_RULE: ShowFn<FigureElem> = |elem, _, styles| {
@@ -326,8 +326,7 @@ const FIGURE_RULE: ShowFn<FigureElem> = |elem, _, styles| {
 const FIGURE_CAPTION_RULE: ShowFn<FigureCaption> = |elem, engine, styles| {
     Ok(BlockElem::new()
         .with_body(Some(BlockBody::Content(elem.realize(engine, styles)?)))
-        .pack()
-        .spanned(elem.span()))
+        .pack())
 };
 
 const QUOTE_RULE: ShowFn<QuoteElem> = |elem, _, styles| {
@@ -550,9 +549,7 @@ const BIBLIOGRAPHY_RULE: ShowFn<BibliographyElem> = |elem, engine, styles| {
 };
 
 const TABLE_RULE: ShowFn<TableElem> = |elem, _, _| {
-    Ok(BlockElem::multi_layouter(elem.clone(), crate::grid::layout_table)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::multi_layouter(elem.clone(), crate::grid::layout_table).pack())
 };
 
 const TABLE_CELL_RULE: ShowFn<TableCell> = |elem, _, styles| {
@@ -703,27 +700,19 @@ const ALIGN_RULE: ShowFn<AlignElem> =
     |elem, _, styles| Ok(elem.body.clone().aligned(elem.alignment.get(styles)));
 
 const PAD_RULE: ShowFn<PadElem> = |elem, _, _| {
-    Ok(BlockElem::multi_layouter(elem.clone(), crate::pad::layout_pad)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::multi_layouter(elem.clone(), crate::pad::layout_pad).pack())
 };
 
 const COLUMNS_RULE: ShowFn<ColumnsElem> = |elem, _, _| {
-    Ok(BlockElem::multi_layouter(elem.clone(), crate::flow::layout_columns)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::multi_layouter(elem.clone(), crate::flow::layout_columns).pack())
 };
 
 const STACK_RULE: ShowFn<StackElem> = |elem, _, _| {
-    Ok(BlockElem::multi_layouter(elem.clone(), crate::stack::layout_stack)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::multi_layouter(elem.clone(), crate::stack::layout_stack).pack())
 };
 
 const GRID_RULE: ShowFn<GridElem> = |elem, _, _| {
-    Ok(BlockElem::multi_layouter(elem.clone(), crate::grid::layout_grid)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::multi_layouter(elem.clone(), crate::grid::layout_grid).pack())
 };
 
 const GRID_CELL_RULE: ShowFn<GridCell> = |elem, _, styles| {
@@ -753,33 +742,23 @@ fn show_cell(
 }
 
 const MOVE_RULE: ShowFn<MoveElem> = |elem, _, _| {
-    Ok(BlockElem::single_layouter(elem.clone(), crate::transforms::layout_move)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::single_layouter(elem.clone(), crate::transforms::layout_move).pack())
 };
 
 const SCALE_RULE: ShowFn<ScaleElem> = |elem, _, _| {
-    Ok(BlockElem::single_layouter(elem.clone(), crate::transforms::layout_scale)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::single_layouter(elem.clone(), crate::transforms::layout_scale).pack())
 };
 
 const ROTATE_RULE: ShowFn<RotateElem> = |elem, _, _| {
-    Ok(BlockElem::single_layouter(elem.clone(), crate::transforms::layout_rotate)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::single_layouter(elem.clone(), crate::transforms::layout_rotate).pack())
 };
 
 const SKEW_RULE: ShowFn<SkewElem> = |elem, _, _| {
-    Ok(BlockElem::single_layouter(elem.clone(), crate::transforms::layout_skew)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::single_layouter(elem.clone(), crate::transforms::layout_skew).pack())
 };
 
 const REPEAT_RULE: ShowFn<RepeatElem> = |elem, _, _| {
-    Ok(BlockElem::single_layouter(elem.clone(), crate::repeat::layout_repeat)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::single_layouter(elem.clone(), crate::repeat::layout_repeat).pack())
 };
 
 const HIDE_RULE: ShowFn<HideElem> =
@@ -801,83 +780,66 @@ const LAYOUT_RULE: ShowFn<LayoutElem> = |elem, _, _| {
             crate::flow::layout_fragment(engine, &result, locator, styles, regions)
         },
     )
-    .pack()
-    .spanned(elem.span()))
+    .pack())
 };
 
 const IMAGE_RULE: ShowFn<ImageElem> = |elem, _, styles| {
     Ok(BlockElem::single_layouter(elem.clone(), crate::image::layout_image)
         .with_width(elem.width.get(styles))
         .with_height(elem.height.get(styles))
-        .pack()
-        .spanned(elem.span()))
+        .pack())
 };
 
 const LINE_RULE: ShowFn<LineElem> = |elem, _, _| {
-    Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_line)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_line).pack())
 };
 
 const RECT_RULE: ShowFn<RectElem> = |elem, _, styles| {
     Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_rect)
         .with_width(elem.width.get(styles))
         .with_height(elem.height.get(styles))
-        .pack()
-        .spanned(elem.span()))
+        .pack())
 };
 
 const SQUARE_RULE: ShowFn<SquareElem> = |elem, _, styles| {
     Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_square)
         .with_width(elem.width.get(styles))
         .with_height(elem.height.get(styles))
-        .pack()
-        .spanned(elem.span()))
+        .pack())
 };
 
 const ELLIPSE_RULE: ShowFn<EllipseElem> = |elem, _, styles| {
     Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_ellipse)
         .with_width(elem.width.get(styles))
         .with_height(elem.height.get(styles))
-        .pack()
-        .spanned(elem.span()))
+        .pack())
 };
 
 const CIRCLE_RULE: ShowFn<CircleElem> = |elem, _, styles| {
     Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_circle)
         .with_width(elem.width.get(styles))
         .with_height(elem.height.get(styles))
-        .pack()
-        .spanned(elem.span()))
+        .pack())
 };
 
 const POLYGON_RULE: ShowFn<PolygonElem> = |elem, _, _| {
-    Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_polygon)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_polygon).pack())
 };
 
 const CURVE_RULE: ShowFn<CurveElem> = |elem, _, _| {
-    Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_curve)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_curve).pack())
 };
 
 const PATH_RULE: ShowFn<PathElem> = |elem, _, _| {
-    Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_path)
-        .pack()
-        .spanned(elem.span()))
+    Ok(BlockElem::single_layouter(elem.clone(), crate::shapes::layout_path).pack())
 };
 
 const EQUATION_RULE: ShowFn<EquationElem> = |elem, _, styles| {
     if elem.block.get(styles) {
         Ok(BlockElem::multi_layouter(elem.clone(), crate::math::layout_equation_block)
-            .pack()
-            .spanned(elem.span()))
+            .pack())
     } else {
-        Ok(InlineElem::layouter(elem.clone(), crate::math::layout_equation_inline)
-            .pack()
-            .spanned(elem.span()))
+        Ok(InlineElem::layouter(elem.clone(), crate::math::layout_equation_inline).pack())
     }
 };
 
diff --git a/crates/typst-realize/src/lib.rs b/crates/typst-realize/src/lib.rs
index 5d9e0a23a..87df940e4 100644
--- a/crates/typst-realize/src/lib.rs
+++ b/crates/typst-realize/src/lib.rs
@@ -374,7 +374,9 @@ fn visit_show_rules<'a>(
             }
 
             // Apply a built-in show rule.
-            ShowStep::Builtin(rule) => rule.apply(&output, s.engine, chained),
+            ShowStep::Builtin(rule) => rule
+                .apply(&output, s.engine, chained)
+                .map(|content| content.spanned(output.span())),
         };
 
         // Errors in show rules don't terminate compilation immediately. We just