Escape |, it's a pod table special char

Fixes #1764

Author: coke

doc/Type/Junction.pod6

@@ -22,7 +22,7 @@ C<none>.
     type |   constructor  |   operator |  True if ...
     =====+================+============+===========
     all  |   all          |   &        |   no value evaluates to False
-    any  |   any          |   |        |   at least one value evaluates to True
+    any  |   any          |   \|       |   at least one value evaluates to True
     one  |   one          |   ^        |   exactly one value evaluates to True
     none |   none         |            |   no value evaluates to True