improve readability

Parsedown.php

@@ -111,30 +111,21 @@ class Parsedown
 
         foreach ($lines as $line)
         {
-            $indent = 0;
+            if (chop($line) === '')
-
-            while (true)
-            {
-                if (isset($line[$indent]))
-                {
-                    if ($line[$indent] === ' ')
-                    {
-                        $indent ++;
-                    }
-                    else
-                    {
-                        break;
-                    }
-                }
-                else # blank line
             {
                 if (isset($CurrentBlock))
                 {
                     $CurrentBlock['interrupted'] = true;
                 }
 
-                    continue 2;
+                continue;
             }
+
+            $indent = 0;
+
+            while (isset($line[$indent]) and $line[$indent] === ' ')
+            {
+                $indent ++;
             }
 
             $text = $indent > 0 ? substr($line, $indent) : $line;