--- a/lib/marked.js
+++ b/lib/marked.js
@@ -18,8 +18,8 @@
   heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,
   nptable: noop,
   lheading: /^([^\n]+)\n *(=|-){3,} *\n*/,
-  blockquote: /^( *>[^\n]+(\n[^\n]+)*\n*)+/,
-  list: /^( *)(bull) [\s\S]+?(?:hr|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
+  blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,
+  list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
   html: /^ *(?:comment|closed|closing) *(?:\n{2,}|\s*$)/,
   def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
   table: noop,
@@ -36,6 +36,11 @@
 block.list = replace(block.list)
   (/bull/g, block.bullet)
   ('hr', /\n+(?=(?: *[-*_]){3,} *(?:\n+|$))/)
+  ('def', '\\n+(?=' + block.def.source + ')')
+  ();
+
+block.blockquote = replace(block.blockquote)
+  ('def', block.def)
   ();
 
 block._tag = '(?!(?:'
@@ -139,7 +144,7 @@
  * Lexing
  */
 
-Lexer.prototype.token = function(src, top) {
+Lexer.prototype.token = function(src, top, bq) {
   var src = src.replace(/^ +$/gm, '')
     , next
     , loose
@@ -262,7 +267,7 @@
       // Pass `top` to keep the current
       // "toplevel" state. This is exactly
       // how markdown.pl works.
-      this.token(cap, top);
+      this.token(cap, top, true);
 
       this.tokens.push({
         type: 'blockquote_end'
@@ -335,7 +340,7 @@
         });
 
         // Recurse.
-        this.token(item, false);
+        this.token(item, false, bq);
 
         this.tokens.push({
           type: 'list_item_end'
@@ -363,7 +368,7 @@
     }
 
     // def
-    if (top && (cap = this.rules.def.exec(src))) {
+    if ((!bq && top) && (cap = this.rules.def.exec(src))) {
       src = src.substring(cap[0].length);
       this.tokens.links[cap[1].toLowerCase()] = {
         href: cap[2],