fix

book/node_modules/highlight.js/lib/languages/awk.js

@@ -0,0 +1,68 @@
+/*
+Language: Awk
+Author: Matthew Daly <matthewbdaly@gmail.com>
+Website: https://www.gnu.org/software/gawk/manual/gawk.html
+Description: language definition for Awk scripts
+Category: scripting
+*/
+
+/** @type LanguageFn */
+function awk(hljs) {
+  const VARIABLE = {
+    className: 'variable',
+    variants: [
+      { begin: /\$[\w\d#@][\w\d_]*/ },
+      { begin: /\$\{(.*?)\}/ }
+    ]
+  };
+  const KEYWORDS = 'BEGIN END if else while do for in break continue delete next nextfile function func exit|10';
+  const STRING = {
+    className: 'string',
+    contains: [ hljs.BACKSLASH_ESCAPE ],
+    variants: [
+      {
+        begin: /(u|b)?r?'''/,
+        end: /'''/,
+        relevance: 10
+      },
+      {
+        begin: /(u|b)?r?"""/,
+        end: /"""/,
+        relevance: 10
+      },
+      {
+        begin: /(u|r|ur)'/,
+        end: /'/,
+        relevance: 10
+      },
+      {
+        begin: /(u|r|ur)"/,
+        end: /"/,
+        relevance: 10
+      },
+      {
+        begin: /(b|br)'/,
+        end: /'/
+      },
+      {
+        begin: /(b|br)"/,
+        end: /"/
+      },
+      hljs.APOS_STRING_MODE,
+      hljs.QUOTE_STRING_MODE
+    ]
+  };
+  return {
+    name: 'Awk',
+    keywords: { keyword: KEYWORDS },
+    contains: [
+      VARIABLE,
+      STRING,
+      hljs.REGEXP_MODE,
+      hljs.HASH_COMMENT_MODE,
+      hljs.NUMBER_MODE
+    ]
+  };
+}
+
+module.exports = awk;