One newline is enough.

git-svn-id: http://svn.automattic.com/wordpress/trunk@19684 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/options-writing.php

@@ -28,7 +28,6 @@ get_current_screen()->add_help_tab( array(
 	'content' => '<p>' . __('Press This is a bookmarklet that makes it easy to blog about something you come across on the web. You can use it to just grab a link, or to post an excerpt. Press This will even allow you to choose from images included on the page and use them in your post. Just drag the Press This link on this screen to your bookmarks bar in your browser, and you&#8217;ll be on your way to easier content creation. Clicking on it while on another website opens a popup window with all these options.') . '</p>',
 ) );
 
-
 if ( is_multisite() ) {
 	$post_email_help = '<p>' . __('Due to security issues, you cannot use Post By Email on Multisite Installs.') . '</p>';
 } else {
@@ -120,7 +119,6 @@ wp_dropdown_categories(array('hide_empty' => 0, 'name' => 'default_link_category
 <?php do_settings_fields('writing', 'default'); ?>
 </table>
 
-
 <h3 class="title"><?php _e('Press This') ?></h3>
 <p><?php _e('Press This is a bookmarklet: a little app that runs in your browser and lets you grab bits of the web.');?></p>
 <p><?php _e('Use Press This to clip text, images and videos from any web page. Then edit and add more straight from Press This before you save or publish it in a post on your site.'); ?></p>