From 172acd052dd70e69092fd7097cc0a17abf8de4e3 Mon Sep 17 00:00:00 2001
From: saxmatt <saxmatt@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Mon, 25 Aug 2003 01:53:52 +0000
Subject: [PATCH] Fixed some funky whitespace issues with autop.

git-svn-id: http://svn.automattic.com/wordpress/trunk@345 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 b2-include/b2functions.php | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/b2-include/b2functions.php b/b2-include/b2functions.php
index 451f5deed7..0d22e28820 100644
--- a/b2-include/b2functions.php
+++ b/b2-include/b2functions.php
@@ -67,18 +67,20 @@ function wptexturize($text) {
 function wpautop($pee, $br=1) {
 	$pee = $pee . "\n"; // just to make things a little easier, pad the end
 	$pee = preg_replace('|<br />\s*<br />|', "\n\n", $pee);
-	$pee = preg_replace('!(<(?:table|ul|ol|li|pre|select|form|blockquote|h[1-6])[^>]*>)!', "\n$1", $pee); // Space things out a little
-	$pee = preg_replace('!(</(?:table|ul|ol|li|pre|select|form|blockquote|h[1-6])>)!', "$1\n", $pee); // Space things out a little
-	$pee = preg_replace("/(\r\n|\n|\r)/", "\n", $pee); // cross-platform newlines 
+	$pee = preg_replace('!(<(?:table|ul|ol|li|pre|form|blockquote|h[1-6])[^>]*>)!', "\n$1", $pee); // Space things out a little
+	$pee = preg_replace('!(</(?:table|ul|ol|li|pre|form|blockquote|h[1-6])>)!', "$1\n", $pee); // Space things out a little
+	$pee = preg_replace("/(\r\n|\r)/", "\n", $pee); // cross-platform newlines 
 	$pee = preg_replace("/\n\n+/", "\n\n", $pee); // take care of duplicates
-	$pee = preg_replace('/\n?(.+?)(\n\n|\z)/s', "<p>$1</p>\n", $pee); // make paragraphs, including one at the end 
-	$pee = preg_replace('|<br />\s*</p>|', '</p>', $pee);
+	$pee = preg_replace('/\n?(.+?)(?:\n\s*\n|\z)/s', "\t<p>$1</p>\n", $pee); // make paragraphs, including one at the end 
+	$pee = preg_replace('|<p>\s*?</p>|', '', $pee); // under certain strange conditions it could create a P of entirely whitespace 
+	$pee = preg_replace("|<p>(<li.+?)</p>|", "$1", $pee); // problem with nested lists
 	$pee = preg_replace('|<p><blockquote([^>]*)>|i', "<blockquote$1><p>", $pee);
 	$pee = str_replace('</blockquote></p>', '</p></blockquote>', $pee);
-	$pee = preg_replace('!<p>\s*(</?(?:table|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "$1", $pee);
-	$pee = preg_replace('!(</?(?:table|ul|ol|li|pre|select|form|blockquote|p|h[1-6])>)\s*</p>!', "$1", $pee); 
+	$pee = preg_replace('!<p>\s*(</?(?:table|tr|td|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)!', "$1", $pee);
+	$pee = preg_replace('!(</?(?:table|tr|td|ul|ol|li|pre|select|form|blockquote|p|h[1-6])>)\s*</p>!', "$1", $pee); 
 	if ($br) $pee = preg_replace('|(?<!<br />)\s*\n|', "<br />\n", $pee); // optionally make line breaks
-	$pee = preg_replace('!(</?(?:table|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*<br />!', "$1", $pee);
+	$pee = preg_replace('!(</?(?:table|tr|td|ul|ol|li|pre|select|form|blockquote|p|h[1-6])[^>]*>)\s*<br />!', "$1", $pee);
+	$pee = preg_replace('!<br />(\s*</?(?:p|li|pre|td|ul|ol)>)!', '$1', $pee);
 	$pee = preg_replace('/&([^#])(?![a-z]{1,8};)/', '&#038;$1', $pee);
 	
 	return $pee;