Various fixes from forums and such.

git-svn-id: http://svn.automattic.com/wordpress/trunk@725 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/post.php

@@ -167,6 +167,8 @@ switch($action) {
             if ($post_pingback) {
                 pingback($content, $post_ID);
             }
+			
+			apply_filters('action_publish_post', $post_ID);
 
 			// Time for trackbacks
 			$to_ping = $wpdb->get_var("SELECT to_ping FROM $tableposts WHERE ID = $post_ID");

wp-admin/upgrade-functions.php

@@ -605,7 +605,7 @@ function upgrade_100() {
 	foreach ($allposts as $post) {
 		// Check to see if it's already been imported
 		$cat = $wpdb->get_row("SELECT * FROM $tablepost2cat WHERE post_id = $post->ID AND category_id = $post->post_category");
-		if (!$cat) { // If there's no result
+		if (!$cat && 0 != $post->post_category) { // If there's no result
 			$wpdb->query("
 				INSERT INTO $tablepost2cat
 				(post_id, category_id)
@@ -617,7 +617,7 @@ function upgrade_100() {
 }
 
 function upgrade_101() {
-	global $wpdb, $tableoptionvalues;
+	global $wpdb, $tableoptionvalues, $tablelinkcategories;
 	// Fix possible duplicate problem from CVS
 	$option59 = $wpdb->get_results("SELECT * FROM $tableoptionvalues WHERE option_id  = 59");
 	if (1 < count($option59)) {
@@ -626,6 +626,8 @@ function upgrade_101() {
 	
 	// Remove 'automatic' option for comment moderation until it actually does something
 	$wpdb->query("DELETE FROM $tableoptionvalues WHERE optionvalue = 'auto'");
+	// Less intrusive default
+	$wpdb->query("ALTER TABLE `$tablelinkcategories` CHANGE `show_description` `show_description` ENUM( 'Y', 'N' ) DEFAULT 'N' NOT NULL"); 
 }
 
 ?>

wp-blog-header.php

@@ -6,7 +6,7 @@ $use_cache = 1; // No reason not to
 $curpath = dirname(__FILE__).'/';
 
 if (!file_exists($curpath . '/wp-config.php'))
-	die("There doesn't seem to be a <code>wp-config.php</code> file. I need this before we can get started. Need more help? <a href='http://wordpress.org/docs/faq/#wp-config'>We got it</a>.");
+	die("There doesn't seem to be a <code>wp-config.php</code> file. I need this before we can get started. Need more help? <a href='http://wordpress.org/docs/faq/#wp-config'>We got it</a>. You can <a href='wp-admin/install-config.php'>create a <code>wp-config.php</code> file through a web interface</a>, but this doesn't work for all server setups. The safest way is to manually create the file.");
 
 require_once ($curpath.'/wp-config.php');
 

wp-includes/template-functions.php

@@ -1655,7 +1655,7 @@ function comment_author_link() {
 	}
 
 	$url = str_replace('http://url', '', $url);
-	$url = preg_replace('|[^a-z0-9-_.,/:]|i', '', $url);
+	$url = preg_replace('|[^a-z0-9-_.?=&;,/:]|i', '', $url);
 	if (empty($url) && empty($email)) {
 		echo $author;
 		return;

wp-settings.php

@@ -24,7 +24,7 @@ define('WPINC', 'wp-includes');
 require (ABSPATH . WPINC . '/wp-db.php');
 
 $wpdb->hide_errors();
-if (!$wpdb->get_row("SELECT * FROM $tableoptions LIMIT 1") && !strstr($HTTP_SERVER_VARS['REQUEST_URI'], 'install.php')) {
+if (!$wpdb->get_row("SELECT * FROM $tableusers LIMIT 1") && !strstr($HTTP_SERVER_VARS['REQUEST_URI'], 'install.php')) {
 	die("It doesn't look like you've installed WP yet. Try running <a href='wp-admin/install.php'>install.php</a>.");
 }
 $wpdb->show_errors();