Add more angle symbol variants (#4827)

crates/typst/src/symbols/sym.rs

@@ -47,18 +47,24 @@ pub(crate) const SYM: &[(&str, Symbol)] = symbols! {
     angle: [
         '∠',
         l: '⟨',
-        r: '⟩',
+        l.curly: '⧼',
+        l.dot: '⦑',
         l.double: '《',
+        r: '⟩',
+        r.curly: '⧽',
+        r.dot: '⦒',
         r.double: '》',
         acute: '⦟',
         arc: '∡',
         arc.rev: '⦛',
+        oblique: '⦦',
         rev: '⦣',
         right: '∟',
         right.rev: '⯾',
         right.arc: '⊾',
         right.dot: '⦝',
         right.sq: '⦜',
+        s: '⦞',
         spatial: '⟀',
         spheric: '∢',
         spheric.rev: '⦠',