Fix spacing after number in math

Fixes #1052

4 files changed, 10 insertions, 1 deletions

diff --git a/crates/typst-library/src/math/ctx.rs b/crates/typst-library/src/math/ctx.rs
index 2ebd55b9..b9aef711 100644
--- a/crates/typst-library/src/math/ctx.rs
+++ b/crates/typst-library/src/math/ctx.rs
@@ -190,7 +190,7 @@ impl<'a, 'b, 'v> MathContext<'a, 'b, 'v> {
             } else {
                 glyph.into()
             }
-        } else if text.chars().all(|c| c.is_ascii_digit()) {
+        } else if text.chars().all(|c| c.is_ascii_digit() || c == '.') {
             // Numbers aren't that difficult.
             let mut fragments = vec![];
             for c in text.chars() {
diff --git a/tests/ref/bugs/math-number-spacing.png b/tests/ref/bugs/math-number-spacing.png
new file mode 100644
index 00000000..5ec65df3
--- /dev/null
+++ b/tests/ref/bugs/math-number-spacing.png
diff --git a/tests/ref/math/frac.png b/tests/ref/math/frac.png
index 59357cff..b4d52fc8 100644
--- a/tests/ref/math/frac.png
+++ b/tests/ref/math/frac.png
diff --git a/tests/typ/bugs/math-number-spacing.typ b/tests/typ/bugs/math-number-spacing.typ
new file mode 100644
index 00000000..9450caca
--- /dev/null
+++ b/tests/typ/bugs/math-number-spacing.typ
@@ -0,0 +1,9 @@
+// Test spacing after numbers in math.
+
+---
+$
+10degree \
+10 degree \
+10.1degree \
+10.1 degree
+$