From 0b3be636c6baa117706220f372ab6520318018a0 Mon Sep 17 00:00:00 2001
From: Tony Brix <tony@brix.ninja>
Date: Wed, 5 Jun 2019 11:04:38 -0500
Subject: [PATCH] revert #1464

---
 lib/marked.js                         | 40 +++++----------------------
 test/specs/redos/nested_blockquote.js |  4 ---
 2 files changed, 7 insertions(+), 37 deletions(-)
 delete mode 100644 test/specs/redos/nested_blockquote.js

diff --git a/lib/marked.js b/lib/marked.js
index 6964429d35..86286794e5 100644
--- a/lib/marked.js
+++ b/lib/marked.js
@@ -200,9 +200,7 @@ Lexer.prototype.token = function(src, top) {
       l,
       isordered,
       istask,
-      ischecked,
-      blockquote,
-      count;
+      ischecked;
 
   while (src) {
     // newline
@@ -308,26 +306,16 @@ Lexer.prototype.token = function(src, top) {
         type: 'blockquote_start'
       });
 
-      blockquote = cap[0].replace(/^ *> ?/gm, '');
-      count = 1;
-      while (blockquote.match(/^ {0,3}>/)) {
-        count++;
-        this.tokens.push({
-          type: 'blockquote_start'
-        });
-        blockquote = blockquote.replace(/^ *> ?/gm, '');
-      }
+      cap = cap[0].replace(/^ *> ?/gm, '');
 
       // Pass `top` to keep the current
       // "toplevel" state. This is exactly
       // how markdown.pl works.
-      this.token(blockquote, top);
+      this.token(cap, top);
 
-      for (i = 0; i < count; i++) {
-        this.tokens.push({
-          type: 'blockquote_end'
-        });
-      }
+      this.tokens.push({
+        type: 'blockquote_end'
+      });
 
       continue;
     }
@@ -1253,27 +1241,13 @@ Parser.prototype.tok = function() {
       return this.renderer.table(header, body);
     }
     case 'blockquote_start': {
-      var count = 1;
-      while (this.peek() && this.peek().type === 'blockquote_start') {
-        this.next();
-        count++;
-      }
-
       body = '';
 
       while (this.next().type !== 'blockquote_end') {
         body += this.tok();
       }
 
-      while (this.peek() && this.peek().type === 'blockquote_end') {
-        this.next();
-      }
-
-      for (i = 0; i < count; i++) {
-        body = this.renderer.blockquote(body);
-      }
-
-      return body;
+      return this.renderer.blockquote(body);
     }
     case 'list_start': {
       body = '';
diff --git a/test/specs/redos/nested_blockquote.js b/test/specs/redos/nested_blockquote.js
deleted file mode 100644
index 11e5f5f9d9..0000000000
--- a/test/specs/redos/nested_blockquote.js
+++ /dev/null
@@ -1,4 +0,0 @@
-module.exports = {
-  markdown: '>'.repeat(5000),
-  html: '<blockquote>'.repeat(5000) + '</blockquote>'.repeat(5000)
-};