-.BI "\-t, \-\-title " title
-Sets the title of the dialogue box to
-.IR title .
-The default title is
-.RB ` "Input request" '.
+.B "\-H, \-\-history"
+With
+.BR \-l ,
+update the file with the newly entered line at the top. Other lines
+matching the newly entered string are not written. No effect without
+.BR \-l .
+.TP 5
+.BI "\-M, \-\-histmax " max
+When writing an updated history file, do not write more than
+.I max
+lines. The default is 20; a value of 0 disables a length limit on the
+history file.
+.TP 5
+.BI "\-d, \-\-default " default
+Sets the default text in the entry field to
+.IR default .
+The default default is the first item in the empty string. The special
+default string
+.RB ` @ '
+sets the default to be the first item in the history list, if one is
+supplied.
+.TP 5
+.B \-i, \-\-invisible
+Don't echo characters to the screen when they're typed. Useful when
+requesting passwords and similar secrets.
+.TP 5
+.BI "\-l, \-\-list " file
+Reads a list of alternatives from
+.I file
+and displays them in a drop-down list box. The user can rapidly select
+an item from the drop-down list using the mouse or cursor keys. The
+file is not modified (but see the
+.B \-\-history
+option below).
+.TP 5
+.B "\-n, \-\-no-choice"
+One of the items from the selection list must be chosen; the user may
+not type an entry in directly.