diff --git a/core/userclass.class.php b/core/userclass.class.php
index 934d14e2..011c387f 100644
--- a/core/userclass.class.php
+++ b/core/userclass.class.php
@@ -30,14 +30,13 @@ class UserClass {
 }
 
 $_user_class_base = new UserClass("base", null, array(
-	"change_setting" => False,  # web-level settings, eg the config table
-	"override_config" => False, # sys-level config, eg config.php
-	"big_search" => False,      # more than 3 tags (speed mode only)
-	"lock_image" => False,
+	"change_setting" => False,  # modify web-level settings, eg the config table
+	"override_config" => False, # modify sys-level settings, eg config.php
+	"big_search" => False,      # search for more than 3 tags at once (speed mode only)
 	"view_ip" => False,         # view IP addresses associated with things
 	"ban_ip" => False,
 	"change_password" => False,
-	"change_user_info" => False,
+	"change_user_info" => False,  # email address, etc
 	"delete_user" => False,
 	"delete_image" => False,
 	"delete_comment" => False,
@@ -47,10 +46,11 @@ $_user_class_base = new UserClass("base", null, array(
 	"edit_image_tag" => False,
 	"edit_image_source" => False,
 	"edit_image_owner" => False,
+	"lock_image" => False,
 	"mass_tag_edit" => False,
 	"report_image" => False,
-	"view_image_report" => False,
-	"protected" => False,
+	"view_image_report" => False,  # deal with reported images
+	"protected" => False,          # only admins can modify protected users (stops a moderator changing an admin's password)
 ));
 $_user_classes["anonymous"] = new UserClass("anonymous", $_user_class_base, array(
 	"edit_image_tag" => "tag_edit_anon",
diff --git a/ext/bbcode/main.php b/ext/bbcode/main.php
index 1c0e76e1..f4157bab 100644
--- a/ext/bbcode/main.php
+++ b/ext/bbcode/main.php
@@ -38,7 +38,7 @@ class BBCode extends FormatterExtension {
 		$text = preg_replace("/\[i\](.*?)\[\/i\]/s", "<i>\\1</i>", $text);
 		$text = preg_replace("/\[u\](.*?)\[\/u\]/s", "<u>\\1</u>", $text);
 		$text = preg_replace("/\[s\](.*?)\[\/s\]/s", "<s>\\1</s>", $text);
-		$text = preg_replace("/&gt;&gt;(\d+)(#c?(\d+))?/s", "<a class='comment_link' href=\"".make_link("post/view/\\1#c\\3")."\" onclick=\"$('#c\\3').parent().effect('highlight', {}, 5000); return !$('#c\\3');\">&gt;&gt;\\1\\2</a>", $text);
+		$text = preg_replace("/&gt;&gt;(\d+)(#c?(\d+))?/s", "<a class='comment_link' href=\"".make_link("post/view/\\1#c\\3")."\" onclick=\"$('#c\\3').parent().effect('highlight', {}, 5000);\">&gt;&gt;\\1\\2</a>", $text);
 		$text = preg_replace("/(^|\s)#(\d+)/s", "\\1<a href=\"#\\2\">#\\2</a>", $text);
 		$text = preg_replace("/&gt;&gt;([^\d].+)/", "<blockquote><small>\\1</small></blockquote>", $text);
 		$text = preg_replace("/\[url=((?:https?|ftp|irc|mailto):\/\/.*?)\](.*?)\[\/url\]/s", "<a href=\"\\1\">\\2</a>", $text);
diff --git a/lib/shimmie.js b/lib/shimmie.js
index 35c55fb4..727e1b26 100644
--- a/lib/shimmie.js
+++ b/lib/shimmie.js
@@ -56,7 +56,10 @@ $(document).ready(function() {
 		var target_id = $(elm).text().match(/#c?(\d+)/);
 		if(target_id && $("#c"+target_id[1])) {
 			var target_name = $("#c"+target_id[1]+" .username").html();
-			$(elm).html("@"+target_name);
+			if(target_name) {
+				$(elm).attr("href", "#c"+target_id[1]);
+				$(elm).html("@"+target_name);
+			}
 		}
 	});
 });