improve fix for #184

Parsedown.php

@@ -910,7 +910,6 @@ class Parsedown
             foreach ($matches[0] as $index => $cell)
             {
                 $cell = trim($cell);
-                $cell = str_replace('\|', '|', $cell);
 
                 $Element = array(
                     'name' => 'td',
@@ -1512,7 +1511,7 @@ class Parsedown
     # Read-only
 
     protected $specialCharacters = array(
-        '\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!',
+        '\\', '`', '*', '_', '{', '}', '[', ']', '(', ')', '>', '#', '+', '-', '.', '!', '|',
     );
 
     protected $StrongRegex = array(

test/data/table_inline_markdown.html

@@ -14,5 +14,9 @@
 <td><code>|</code> 2.1</td>
 <td>| 2.2</td>
 </tr>
+<tr>
+<td><code>\|</code> 2.1</td>
+<td><a href="/">link</a></td>
+</tr>
 </tbody>
 </table>

test/data/table_inline_markdown.md

@@ -1,4 +1,5 @@
 | _header_ 1   | header 2     |
 | ------------ | ------------ |
 | _cell_ 1.1   | ~~cell~~ 1.2 |
-| `|` 2.1      | \| 2.2       |
+| `|` 2.1      | \| 2.2       |
+| `\|` 2.1     | [link](/)    |