Disable justification in raw(block: true, ...) (#4889)

Co-authored-by: Laurenz <laurmaedje@gmail.com>

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

@@ -27,10 +27,9 @@ pub fn finalize(
     };
 
     // Stack the lines into one frame per region.
-    let shrink = ParElem::shrink_in(styles);
     lines
         .iter()
-        .map(|line| commit(engine, p, line, width, region.y, shrink, locator, styles))
+        .map(|line| commit(engine, p, line, width, region.y, locator, styles))
         .collect::<SourceResult<_>>()
         .map(Fragment::frames)
 }

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

@@ -417,7 +417,6 @@ pub fn commit(
     line: &Line,
     width: Abs,
     full: Abs,
-    shrink: bool,
     locator: &mut SplitLocator<'_>,
     styles: StyleChain,
 ) -> SourceResult<Frame> {
@@ -469,7 +468,7 @@ pub fn commit(
 
     let shrinkability = line.shrinkability();
     let stretchability = line.stretchability();
-    if remaining < Abs::zero() && shrinkability > Abs::zero() && shrink {
+    if remaining < Abs::zero() && shrinkability > Abs::zero() {
         // Attempt to reduce the length of the line, using shrinkability.
         justification_ratio = (remaining / shrinkability).max(-1.0);
         remaining = (remaining + shrinkability).min(Abs::zero());

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

@@ -126,15 +126,6 @@ pub struct ParElem {
     #[resolve]
     pub hanging_indent: Length,
 
-    /// Indicates whether an overflowing line should be shrunk.
-    ///
-    /// This property is set to `false` on raw blocks, because shrinking a line
-    /// could visually break the indentation.
-    #[ghost]
-    #[internal]
-    #[default(true)]
-    pub shrink: bool,
-
     /// The contents of the paragraph.
     #[external]
     #[required]

crates/typst-library/src/text/raw.rs

@@ -473,7 +473,7 @@ impl ShowSet for Packed<RawElem> {
         out.set(TextElem::set_size(TextSize(Em::new(0.8).into())));
         out.set(TextElem::set_font(FontList(vec![FontFamily::new("DejaVu Sans Mono")])));
         if self.block(styles) {
-            out.set(ParElem::set_shrink(false));
+            out.set(ParElem::set_justify(false));
         }
         out
     }

tests/suite/text/raw.typ

@@ -594,23 +594,16 @@ fn main() {
 }
 ```
 
---- issue-3191-raw-indent-shrink ---
-// Spaces in raw blocks should not be shrunk as it would mess up the indentation
-// of code.
-#set par(justify: true)
+--- issue-3191-raw-justify ---
+// Raw blocks should not be justified by default.
+```
+a b c --------------------
+```
 
-#show raw.where(block: true): block.with(
-  fill: luma(240),
-  inset: 10pt,
-)
-
-#block(
-  width: 60%,
-  ```py
-  for x in xs:
-      print("x=",x)
-  ```
-)
+#show raw: set par(justify: true)
+```
+a b c --------------------
+```
 
 --- issue-3191-raw-normal-paragraphs-still-shrink ---
 // In normal paragraphs, spaces should still be shrunk.