Release Notes: Uses xdg-open/gnome-open as URL handlers. Adds an ^R shortcut for the read-only flag. A Swedish translation. A workaround for re.I not working on Unicode strings. Enables UTF-8 in find/replace. Adds a pop-up to remind the user to install pygtksourceview to get undo. Prevents drag and drop before root item. Gives focus to menubar_find_entry on find-next/find-prev and select all. Jumps to next/prev item on PgDn/PgUp at end/start of textBuffer. Fixes a lib64 issue for x86_64.