From 6301de10321733a6578e59347b6b54fbd534de06 Mon Sep 17 00:00:00 2001
From: Mike Macgirvin <mike@macgirvin.com>
Date: Thu, 28 Oct 2010 20:11:50 -0700
Subject: [PATCH] catch a couple of edge cases with the tag linkifier

---
 boot.php     | 12 +++++++++++-
 mod/item.php |  2 +-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/boot.php b/boot.php
index 870a4c33b7..f69d66be55 100644
--- a/boot.php
+++ b/boot.php
@@ -1298,10 +1298,18 @@ function activity_match($haystack,$needle) {
 }}
 
 
+// Pull out all #hashtags and @person tags from $s;
+// We also get @person@domain.com - which would make 
+// the regex quite complicated as tags can also
+// end a sentence. So we'll run through our results
+// and strip the period from any tags which end with one.
+// Returns array of tags found, or empty array.
+
+
 if(! function_exists('get_tags')) {
 function get_tags($s) {
 	$ret = array();
-	if(preg_match_all('/([@#][^ ,:?]*)[ ,:?]/',$s,$match)) {
+	if(preg_match_all('/([@#][^ ,:?]*)([ ,:?]|$)/',$s,$match)) {
 		foreach($match[1] as $match) {
 			if(substr($match,-1,1) === '.')
 				$ret[] = substr($match,0,-1);
@@ -1314,6 +1322,8 @@ function get_tags($s) {
 }}
 
 
+// quick and dirty quoted_printable encoding
+
 if(! function_exists('qp')) {
 function qp($s) {
 return str_replace ("%","=",rawurlencode($s));
diff --git a/mod/item.php b/mod/item.php
index 64a23e7fb1..126f8b6a1a 100644
--- a/mod/item.php
+++ b/mod/item.php
@@ -147,10 +147,10 @@ function item_post(&$a) {
 					}
 				}
 				if($profile) {
-					$profile = str_replace(',','%2c',$profile);
 					$body = str_replace($name,'[url=' . $profile . ']' . $name	. '[/url]', $body);
 					if(strlen($str_tags))
 						$str_tags .= ',';
+					$profile = str_replace(',','%2c',$profile);
 					$str_tags .= '[url=' . $profile . ']' . $name	. '[/url]';
 				}
 			}