fix break when calling catchupFeedInGroup() in grouped vfeed mode on a feed with a single quote in a name

functions.php

@@ -5007,7 +5007,7 @@
 
 							$cur_feed_title = htmlspecialchars($cur_feed_title);
 
-							$vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id, \"$cur_feed_title\");' href='#'>mark as read</a>)";
+							$vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>mark as read</a>)";
 
 							print "<tr class='feedTitle'><td colspan='7'>".
 								"<div style=\"float : right\">$feed_icon_img</div>".
@@ -5088,7 +5088,7 @@
 
 							$cur_feed_title = htmlspecialchars($cur_feed_title);
 
-							$vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id, \"$cur_feed_title\");' href='#'>mark as read</a>)";
+							$vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>mark as read</a>)";
 
 							$has_feed_icon = is_file(ICONS_DIR . "/$feed_id.ico");
 

tt-rss.js

@@ -718,12 +718,20 @@ function catchupCurrentFeed() {
 	}
 }
 
-function catchupFeedInGroup(id, title) {
+function catchupFeedInGroup(id) {
 
-	var str = __("Mark all articles in %s as read?").replace("%s", title);
+	try {
 
-	if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
-		return viewCurrentFeed('MarkAllReadGR:' + id)
+		var title = getFeedName(id);
+
+		var str = __("Mark all articles in %s as read?").replace("%s", title);
+
+		if (getInitParam("confirm_feed_catchup") != 1 || confirm(str)) {
+			return viewCurrentFeed('MarkAllReadGR:' + id)
+		}
+
+	} catch (e) {
+		exception_error("catchupFeedInGroup", e);
 	}
 }