Replace ^' L' character sequences with real form-feed characters.

etc/NEWS

@@ -4192,7 +4192,7 @@ horizontal rather than vertical (since the MS-DOS display doesn't
 support a vertical-bar cursor).
 
 
-^L
+
 * Emacs 20.7 is a bug-fix release with few user-visible changes
 
 ** It is now possible to use CCL-based coding systems for keyboard
@@ -4211,12 +4211,12 @@ exceptions are such coding systems that handle 2-byte character sets
 ** Support for Macintosh PowerPC-based machines running GNU/Linux has
 been added.
 
-^L
+
 * Emacs 20.6 is a bug-fix release with one user-visible change
 
 ** Support for ARM-based non-RISCiX machines has been added.
 
-^L
+
 * Emacs 20.5 is a bug-fix release with no user-visible changes.
 
 ** Not new, but not mentioned before: