BUG Markdown : if an automatic URL have two underscores, the <em> work and the URL is incorrect

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@2547 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

Tests/markdownTest.php

@@ -282,6 +282,14 @@ base</code></pre>");
     printf ($md->html ("<test@example.com>"));
   }
 
+  public function testLinkHTTP4 ()
+  {
+    $this->expectOutputString(
+             "<p><a href='mailto:test_with_underscore@example.com'>test_with_underscore@example.com</a></p>");
+    $md = new markdown ();
+    printf ($md->html ("<test_with_underscore@example.com>"));
+  }
+
   // Chaining
   public function testChain1 ()
   {