prefer spaces after commas.

Author: coke

doc/Language/variables.pod6

@@ -1284,13 +1284,13 @@ X<|$?TABSTOP>X<|$?NL>X<|$?DISTRIBUTION>
 The following compile time variables allow for a deeper introspection:
 
 =for table
-    $?PACKAGE           Which package am I in?
-    $?MODULE,::?MODULE  Which module am I in? It contains the type of the module.
-    $?CLASS             Which class am I in? (as variable)
-    $?ROLE              Which role am I in? (as variable)
-    $?TABSTOP           How many spaces is a tab in a heredoc or virtual margin?
-    $?NL                What a vertical newline "\n" means: LF, CR or CRLF
-    $?DISTRIBUTION      The Distribution of the current compilation unit.
+    $?PACKAGE            Which package am I in?
+    $?MODULE, ::?MODULE  Which module am I in? It contains the type of the module.
+    $?CLASS              Which class am I in? (as variable)
+    $?ROLE               Which role am I in? (as variable)
+    $?TABSTOP            How many spaces is a tab in a heredoc or virtual margin?
+    $?NL                 What a vertical newline "\n" means: LF, CR or CRLF
+    $?DISTRIBUTION       The Distribution of the current compilation unit.
 
 With particular regard to the C<$?NL>, see the L<newline
 pragma|/language/pragmas>.