Fix multi-line content table

Author: stoned

doc/Type/Pod/Block.pod6

@@ -17,15 +17,24 @@ Useful subclasses:
     Class                     Used for
     =====                     ========
     Pod::Block::Para          paragraphs
+
     Pod::Block::Named         named blocks
+
     Pod::Block::Declarator    declarator blocks
+
     Pod::Block::Code          code blocks
+
     Pod::Block::Comment       comments
+
     Pod::Block::Table         =begin/end table
-                                  tabular data
+                              tabular data
+
     Pod::Heading              =head1 etc. headings
+
     Pod::Item                 list items
+
     Pod::Defn                 definition lists
+
     Pod::FormattingCode       formatting codes
 
 =end table