In 1.8.4 and before, it is possible to create a user
task and leave the title blank.
Login as admin/demo
Click on "Tasks" in the top menubar
You now have a task with no title, which makes it
difficult to edit or delete.
guess the task number, then type the following in the
URL bar on the web browser:
...replacing N with the task number.
Reproduced using Mozilla 1.6 on Solaris/SPARC.