-is a generic, highly customizable, and efficient menu for X,
-originally designed for
-.BR dwm (1).
-It supports arbitrary, user defined menu contents.
-.SS Options
+is a dynamic menu for X, which reads a list of newline\-separated items from
+stdin. When the user selects an item and presses Return, their choice is printed
+to stdout and dmenu terminates. Entering text will narrow the items to those
+matching the tokens in the input.
+.P
+.B dmenu_run
+is a script used by
+.IR dwm (1)
+which lists programs in the user's $PATH and runs the result in their $SHELL.
+.SH OPTIONS
+.TP
+.B \-b
+dmenu appears at the bottom of the screen.
+.TP
+.B \-f
+dmenu grabs the keyboard before reading stdin. This is faster, but will lock up
+X until stdin reaches end\-of\-file.
+.TP
+.B \-i
+dmenu matches menu items case insensitively.
+.TP
+.BI \-l " lines"
+dmenu lists items vertically, with the given number of lines.
+.TP
+.BI \-m " monitor"
+dmenu is displayed on the monitor supplied.
+.TP
+.BI \-p " prompt"
+defines the prompt to be displayed to the left of the input field.
+.TP
+.BI \-fn " font"
+defines the font or font set used.
+.TP
+.BI \-nb " color"
+defines the normal background color.
+.IR #RGB ,
+.IR #RRGGBB ,
+and X color names are supported.
+.TP
+.BI \-nf " color"
+defines the normal foreground color.
+.TP
+.BI \-sb " color"
+defines the selected background color.
+.TP
+.BI \-sf " color"
+defines the selected foreground color.