fix(latex) fix poly backtracking issue

highlightjs · Dec 3, 2020 · d496052 · d496052
1 parent d9f1cdb
commit d496052
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/languages/latex.js b/src/languages/latex.js
@@ -172,7 +172,7 @@ export default function(hljs) {
   const BEGIN_ENV = function(envname, starts_mode) {
     return hljs.inherit(
       {
-        begin: '\\\\begin(?=\\s*\\r?\\n?\\s*\\{' + envname + '\\})',
+        begin: '\\\\begin(?=[ \t]*(\\r?\\n[ \t]*)?\\{' + envname + '\\})',
         keywords: {$pattern: /\\[a-zA-Z]+/, keyword: '\\begin'},
         relevance: 0,
       },