Merge 4aa6dcf578ce3fde6209369c358bde012150146c into 5661c20580584d86897d139cdeffd6fb1a9a6d5c

Cargo.lock

@@ -748,9 +748,9 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.1.0"
+version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "11faaf5a5236997af9848be0bef4db95824b1d534ebc64d0f0c6cf3e67bd38dc"
+checksum = "4a3d7db9596fecd151c5f638c0ee5d5bd487b6e0ea232e5dc96d5250f6f94b1d"
 dependencies = [
  "crc32fast",
  "libz-rs-sys",
@@ -1469,9 +1469,9 @@ dependencies = [
 
 [[package]]
 name = "libz-rs-sys"
-version = "0.4.2"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "902bc563b5d65ad9bba616b490842ef0651066a1a1dc3ce1087113ffcb873c8d"
+checksum = "172a788537a2221661b480fee8dc5f96c580eb34fa88764d3205dc356c7e4221"
 dependencies = [
  "zlib-rs",
 ]
@@ -3932,13 +3932,12 @@ dependencies = [
 
 [[package]]
 name = "zip"
-version = "2.5.0"
+version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27c03817464f64e23f6f37574b4fdc8cf65925b5bfd2b0f2aedf959791941f88"
+checksum = "9aed4ac33e8eb078c89e6cbb1d5c4c7703ec6d299fc3e7c3695af8f8b423468b"
 dependencies = [
  "arbitrary",
  "crc32fast",
- "crossbeam-utils",
  "flate2",
  "indexmap 2.7.1",
  "memchr",
@@ -3947,9 +3946,9 @@ dependencies = [
 
 [[package]]
 name = "zlib-rs"
-version = "0.4.2"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8b20717f0917c908dc63de2e44e97f1e6b126ca58d0e391cee86d504eb8fbd05"
+checksum = "626bd9fa9734751fc50d6060752170984d7053f5a39061f524cda68023d4db8a"
 
 [[package]]
 name = "zopfli"

Cargo.toml

@@ -143,7 +143,7 @@ xmlparser = "0.13.5"
 xmlwriter = "0.1.0"
 xz2 = { version = "0.1", features = ["static"] }
 yaml-front-matter = "0.1"
-zip = { version = "2.5", default-features = false, features = ["deflate"] }
+zip = { version = "4.3", default-features = false, features = ["deflate"] }
 
 [profile.dev.package."*"]
 opt-level = 2

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());

crates/typst-layout/src/inline/shaping.rs

@@ -9,6 +9,7 @@ use ttf_parser::Tag;
 use typst_library::engine::Engine;
 use typst_library::foundations::{Smart, StyleChain};
 use typst_library::layout::{Abs, Dir, Em, Frame, FrameItem, Point, Size};
+use typst_library::model::{Microtype, ParElem};
 use typst_library::text::{
     families, features, is_default_ignorable, language, variant, Font, FontFamily,
     FontVariant, Glyph, Lang, Region, ShiftSettings, TextEdgeBounds, TextElem, TextItem,
@@ -144,7 +145,11 @@ impl ShapedGlyph {
             || self.c.is_ascii_digit()
     }
 
-    pub fn base_adjustability(&self, style: CjkPunctStyle) -> Adjustability {
+    pub fn base_adjustability(
+        &self,
+        style: CjkPunctStyle,
+        microtype: Microtype,
+    ) -> Adjustability {
         let width = self.x_advance;
         if self.is_space() {
             Adjustability {
@@ -168,7 +173,10 @@ impl ShapedGlyph {
                 shrinkability: (width / 4.0, width / 4.0),
             }
         } else {
-            Adjustability::default()
+            Adjustability {
+                stretchability: (Em::zero(), microtype.max_expand.em),
+                shrinkability: (Em::zero(), microtype.max_retract.em),
+            }
         }
     }
 
@@ -1110,9 +1118,10 @@ fn track_and_space(ctx: &mut ShapingContext) {
 /// and CJK punctuation adjustments according to Chinese Layout Requirements.
 fn calculate_adjustability(ctx: &mut ShapingContext, lang: Lang, region: Option<Region>) {
     let style = cjk_punct_style(lang, region);
+    let microtype = ParElem::microtype_in(ctx.styles);
 
     for glyph in &mut ctx.glyphs {
-        glyph.adjustability = glyph.base_adjustability(style);
+        glyph.adjustability = glyph.base_adjustability(style, microtype);
     }
 
     let mut glyphs = ctx.glyphs.iter_mut().peekable();

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())
     }
 };
 

crates/typst-library/src/foundations/selector.rs

@@ -37,13 +37,12 @@ pub use crate::__select_where as select_where;
 
 /// A filter for selecting elements within the document.
 ///
-/// You can construct a selector in the following ways:
-/// - you can use an element [function]
-/// - you can filter for an element function with
-///   [specific fields]($function.where)
-/// - you can use a [string]($str) or [regular expression]($regex)
-/// - you can use a [`{<label>}`]($label)
-/// - you can use a [`location`]
+/// To construct a selector you can:
+/// - use an element [function]
+/// - filter for an element function with [specific fields]($function.where)
+/// - use a [string]($str) or [regular expression]($regex)
+/// - use a [`{<label>}`]($label)
+/// - use a [`location`]
 /// - call the [`selector`] constructor to convert any of the above types into a
 ///   selector value and use the methods below to refine it
 ///
@@ -148,7 +147,9 @@ impl Selector {
 impl Selector {
     /// Turns a value into a selector. The following values are accepted:
     /// - An element function like a `heading` or `figure`.
+    /// - A [string]($str) or [regular expression]($regex).
     /// - A `{<label>}`.
+    /// - A [`location`].
     /// - A more complex selector like `{heading.where(level: 1)}`.
     #[func(constructor)]
     pub fn construct(

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

@@ -136,6 +136,9 @@ pub struct ParElem {
     #[default(false)]
     pub justify: bool,
 
+    /// Microtypographical settings that are used during justification.
+    pub microtype: Microtype,
+
     /// How to determine line breaks.
     ///
     /// When this property is set to `{auto}`, its default value, optimized line
@@ -224,6 +227,36 @@ impl ParElem {
     type ParLine;
 }
 
+/// Configuration for microtypographical settings to be used during
+/// justification.
+#[derive(Debug, Default, Copy, Clone, PartialEq, Hash)]
+pub struct Microtype {
+    /// How much a glyph is allowed to translate into its neighbor.
+    pub max_retract: Length,
+    /// How much a glyph is allowed to translate away from its neighbor.
+    pub max_expand: Length,
+}
+
+cast! {
+    Microtype,
+    self => Value::Dict(self.into()),
+    mut dict: Dict => {
+        let max_retract = dict.take("max-retract")?.cast()?;
+        let max_expand = dict.take("max-expand")?.cast()?;
+        dict.finish(&["max-retract", "max-expand"])?;
+        Self { max_retract, max_expand }
+    },
+}
+
+impl From<Microtype> for Dict {
+    fn from(microtype: Microtype) -> Self {
+        dict! {
+            "max-retract" => microtype.max_retract,
+            "max-expand" => microtype.max_expand,
+        }
+    }
+}
+
 /// How to determine line breaks in a paragraph.
 #[derive(Debug, Copy, Clone, Eq, PartialEq, Hash, Cast)]
 pub enum Linebreaks {

crates/typst-realize/src/lib.rs

@@ -374,7 +374,11 @@ fn visit_show_rules<'a>(
             }
 
             // Apply a built-in show rule.
-            ShowStep::Builtin(rule) => rule.apply(&output, s.engine, chained),
+            ShowStep::Builtin(rule) => {
+                let _scope = typst_timing::TimingScope::new(output.elem().name());
+                rule.apply(&output, s.engine, chained)
+                    .map(|content| content.spanned(output.span()))
+            }
         };
 
         // Errors in show rules don't terminate compilation immediately. We just