fix

book/node_modules/highlight.js/lib/languages/erlang-repl.js

@@ -0,0 +1,54 @@
+/*
+Language: Erlang REPL
+Author: Sergey Ignatov <sergey@ignatov.spb.su>
+Website: https://www.erlang.org
+Category: functional
+*/
+
+/** @type LanguageFn */
+function erlangRepl(hljs) {
+  const regex = hljs.regex;
+  return {
+    name: 'Erlang REPL',
+    keywords: {
+      built_in:
+        'spawn spawn_link self',
+      keyword:
+        'after and andalso|10 band begin bnot bor bsl bsr bxor case catch cond div end fun if '
+        + 'let not of or orelse|10 query receive rem try when xor'
+    },
+    contains: [
+      {
+        className: 'meta.prompt',
+        begin: '^[0-9]+> ',
+        relevance: 10
+      },
+      hljs.COMMENT('%', '$'),
+      {
+        className: 'number',
+        begin: '\\b(\\d+(_\\d+)*#[a-fA-F0-9]+(_[a-fA-F0-9]+)*|\\d+(_\\d+)*(\\.\\d+(_\\d+)*)?([eE][-+]?\\d+)?)',
+        relevance: 0
+      },
+      hljs.APOS_STRING_MODE,
+      hljs.QUOTE_STRING_MODE,
+      { begin: regex.concat(
+        /\?(::)?/,
+        /([A-Z]\w*)/, // at least one identifier
+        /((::)[A-Z]\w*)*/ // perhaps more
+      ) },
+      { begin: '->' },
+      { begin: 'ok' },
+      { begin: '!' },
+      {
+        begin: '(\\b[a-z\'][a-zA-Z0-9_\']*:[a-z\'][a-zA-Z0-9_\']*)|(\\b[a-z\'][a-zA-Z0-9_\']*)',
+        relevance: 0
+      },
+      {
+        begin: '[A-Z][a-zA-Z0-9_\']*',
+        relevance: 0
+      }
+    ]
+  };
+}
+
+module.exports = erlangRepl;