Git clone fails on xfce4-rss-plugin with the message: git clone http://git.xfce.org/git/panel-plugins/xfce4-rss-plugin Cloning into 'xfce4-rss-plugin'... fatal: http://git.xfce.org/git/panel-plugins/xfce4-rss-plugin/info/refs not valid: is this a git repository? Maybe some missing files?
The URL you're trying is invalid. Check at the end of this page the correct one: http://git.xfce.org/panel-plugins/xfce4-rss-plugin git clone http://git.xfce.org/panel-plugins/xfce4-rss-plugin or git clone git://git.xfce.org/panel-plugins/xfce4-rss-plugin