Fix hebrew symbol codepoints (#3375)

crates/typst/src/math/style.rs

@@ -319,6 +319,8 @@ pub fn styled_char(styles: StyleChain, c: char) -> char {
         'Α'..='Ω' => 'Α',
         'α'..='ω' => 'α',
         '0'..='9' => '0',
+        // Hebrew Alef -> Dalet.
+        '\u{05D0}'..='\u{05D3}' => '\u{05D0}',
         _ => return c,
     };
 
@@ -382,6 +384,9 @@ pub fn styled_char(styles: StyleChain, c: char) -> char {
             (Cal | Frak | Mono | Bb, _, _) => return c,
         },
 
+        // Hebrew Alef -> Dalet.
+        '\u{05D0}'..='\u{05D3}' => 0x2135,
+
         // Numbers.
         '0'..='9' => match tuple {
             (Serif, false, _) => 0x0030,

crates/typst/src/symbols/sym.rs

@@ -842,6 +842,8 @@ pub(crate) const SYM: &[(&str, Symbol)] = symbols! {
      bet: 'ב',
      gimmel: 'ג',
      gimel: 'ג',
+     daleth: 'ד',
+     dalet: 'ד',
      shin: 'ש',
 
      // Double-struck.

tests/typ/math/style.typ

@@ -22,6 +22,10 @@ $a/b, display(a/b), display(a)/display(b), inline(a/b), script(a/b), sscript(a/b
 // Test a few style exceptions.
 $h, bb(N), cal(R), Theta, italic(Theta), sans(Theta), sans(italic(Theta))$
 
+---
+// Test hebrew exceptions.
+$aleph, beth, gimel, daleth$
+
 ---
 // Test font fallback.
 $ よ and 🏳️‍🌈 $