add: typst (#1037)

languages.json

@@ -1547,6 +1547,13 @@
       "quotes": [["\\\"", "\\\""], ["'", "'"], ["`", "`"]],
       "extensions": ["ts", "mts", "cts"]
     },
+    "Typst": {
+      "nested": true,
+      "line_comment": ["//"],
+      "multi_line_comments": [["/*", "*/"]],
+      "quotes": [["\\\"", "\\\""]],
+      "extensions": ["typ"]
+    },
     "UMPL": {
       "line_comment": ["!"],
       "quotes": [["`", "`"]],

tests/data/typst.typ

@@ -0,0 +1,16 @@
+// 16 lines 9 code 3 comments 4 blanks
+
+// Some example settings
+#set document(title: "a title", author: "an author")
+#set page(numbering: "1 / 1", number-align: center)
+#set par(justify: true)
+#set text(size: 13pt, lang: "fr") // with a trailing comment
+#set heading(numbering: "1.1") /* with another trailing comment */
+
+#let foo = "multiline
+string"
+
+#let bar = "singleline string"
+
+/* comment */ /* nested /* comment */ */
+#lorem(50)