Posts: allow empty posts to be deleted - `$maybe_empty` should not be set to `true` for updates.

Props DrewAPicture.
Fixes #30775.


Built from https://develop.svn.wordpress.org/trunk@35621


git-svn-id: http://core.svn.wordpress.org/trunk@35585 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post-functions.php

@@ -2951,6 +2951,7 @@ function wp_insert_post( $postarr, $wp_error = false ) {
 
 	$maybe_empty = 'attachment' !== $post_type
 		&& ! $post_content && ! $post_title && ! $post_excerpt
+		&& ! $update
 		&& post_type_supports( $post_type, 'editor' )
 		&& post_type_supports( $post_type, 'title' )
 		&& post_type_supports( $post_type, 'excerpt' );

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-beta3-35620';
+$wp_version = '4.4-beta3-35621';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.