fix typo, check for empty group in network page

mod/contacts.php

@@ -166,7 +166,7 @@ function contacts_content(&$a) {
 					'$content' => t('stopped following'),
 					'$nick' => $a->user['nickname'],
 					'$verb' => ACTIVITY_UNFOLLOW,
-					'$ostat_follow' => '<as:verb>http://ostatus.org/schema/1.0/unfollow</as:verb>' . "\r\n";
+					'$ostat_follow' => '<as:verb>http://ostatus.org/schema/1.0/unfollow</as:verb>' . "\r\n"
 				));
 
 				if((x($orig_record[0],'notify')) && (strlen($orig_record[0]['notify']))) {

mod/display.php

@@ -243,7 +243,7 @@ function display_content(&$a) {
 
 			$tmp_item = replace_macros($template,array(
 				'$id' => $item['item_id'],
-				'$title' => t('View $name's profile'),
+				'$title' => t('View $name\'s profile'),
 				'$profile_url' => $profile_link,
 				'$name' => $profile_name,
 				'$sparkle' => $sparkle,

mod/network.php

@@ -104,10 +104,15 @@ function network_content(&$a, $update = 0) {
 		}
 
 		$contacts = expand_groups(array($group));
-		$contact_str = implode(',',$contacts);
-                $sql_extra = " AND `item`.`parent` IN ( SELECT `parent` FROM `item` WHERE `id` = `parent` AND `contact-id` IN ( $contact_str )) ";
-                $o = '<h4>' . t('Group: ') . $r[0]['name'] . '</h4>' . $o;
-
+		if((is_array($contacts)) && count($contacts)) {
+			$contact_str = implode(',',$contacts);
+		}
+		else {
+				$contact_str = ' 0 ';
+				notice( t('Group is empty'));
+		}
+		$sql_extra = " AND `item`.`parent` IN ( SELECT `parent` FROM `item` WHERE `id` = `parent` AND `contact-id` IN ( $contact_str )) ";
+		$o = '<h4>' . t('Group: ') . $r[0]['name'] . '</h4>' . $o;
 	}
 
 	$r = q("SELECT COUNT(*) AS `total`
@@ -286,7 +291,7 @@ function network_content(&$a, $update = 0) {
 
 			$tmp_item = replace_macros($template,array(
 				'$id' => $item['item_id'],
-				'$title' => t('View $name's profile'),
+				'$title' => t('View $name\'s profile'),
 				'$profile_url' => $profile_link,
 				'$name' => $profile_name,
 				'$thumb' => $profile_avatar,

mod/profile.php

@@ -344,7 +344,7 @@ function profile_content(&$a, $update = 0) {
 
 			$tmp_item = replace_macros($template,array(
 				'$id' => $item['item_id'],
-				'$title' => t('View $name's profile'),
+				'$title' => t('View $name\'s profile'),
 				'$profile_url' => $profile_link,
 				'$name' => $profile_name,
 				'$thumb' => $profile_avatar,