The second text entry field is twice as long (displays up to 40 characters,
instead of the default 20):
Each of the first two text entry fields can hold as many characters as the
user wishes to type (into the millions). The following text entry field,
however, is limited to five characters, and beeps when the user tries to enter
To submit the query, press this button: .
To clear the form, press this button: .
Back to example 4 or
forward to example 6.