Prevent infinite looping in case of borked spans or code.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1330992 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/docs/manual/style/scripts/prettify.js b/docs/manual/style/scripts/prettify.js
index bf2cbdb9f0b50865361625a7422626c6d4d4c094..1a61d9cfb673c7dee88e47b1281e29528c7a3f57 100644 (file)
--- a/docs/manual/style/scripts/prettify.js
+++ b/docs/manual/style/scripts/prettify.js
@@ -1135,7 +1135,10 @@ var REGEXP_PRECEDER_PATTERN = '(?:^^\\.?|[+-]|[!=]=?=?|\\#|%=?|&&?=?|\\(|\\*=?|[
     }
     try {
       var decoration = null;
+      var X = 0;
       while (spanIndex < nSpans) {
+        X = X + 1;
+        if (X > 1000) { break; }
         var spanStart = spans[spanIndex];
         var spanEnd = spans[spanIndex + 2] || sourceLength;