whats new entries

Author: rustagir

source/whats-new.txt

@@ -21,13 +21,9 @@ Learn about new features, improvements, and fixes introduced in the
 following versions of the {+php-library+}:
 
 * :ref:`Version 1.21 <php-lib-version-1.21>`
-
 * :ref:`Version 1.20 <php-lib-version-1.20>`
-
 * :ref:`Version 1.19 <php-lib-version-1.19>`
-
 * :ref:`Version 1.18 <php-lib-version-1.18>`
-
 * :ref:`Version 1.17 <php-lib-version-1.17>`
 
 .. _php-lib-version-1.21: