Allows the user to custmize LSE's pulldowns.

  To Add an existing Menu Entry to another Menu:

                1. Select the Menu for addition in the Menus List Box

                2. Select the Menu Entry to be added above in the Menu
                   Entries List Box

                3. Select the Menu Entry to be added in the Labels List
                   Box

                4. Push the triangle in the upper middle of the dialog box
                   to add the Label to the Menu.

  To Add a new Menu entry:

                1. Enter a unique Label in the Label text field. This
                   string will appear in the menu pull down.

                2. Enter a character in the Mnemonic text field. This
                   character should be unique for the menu you intend to
                   add the label to. Pull down the Menu and look for the
                   "_"s to determine which ones are consumed

                3. Enter Appropriate TPU code in the TPU Code text
                   field. Portable LSE commands can be translated to TPU
                   code as follows: Replace all spaces between command
                   reserved word with a "_". Add a "LSE_" to the front.
                   Enclose individual parameters in '"'s. Enclose all the
                   parameters in "()". For example: "OPEN FILE foo.bar"
                   becomes LSE_OPEN( "foo.bar" ), "SHOW SUMMARY" becomes
                   LSE_SHOW_SUMMARY, "SET DIRECTORY READONLY foo off"
                   becomes LSE_SET_DIRECTORY_READONLY( "foo", "off" ).

                   On OpenVMS systems, VMSLSE commands may also be used
                   within menu label definitions by calling the LSE$DO_
                   COMMAND procedure, with the VMSLSE command enclosed
                   within quotes.

                4. Push the large triangle in the lower right to add the
                   label to the Label List Box.

                5. Add the now existing Menu Entry to a Menu as described
                   above.

  To Modify a Menu entry:

                1. Select the Menu for modification in the Labels List Box

                2. Change the appropriate test fields in the diallog box:
                   Mnemonic, TPU Code

                3. Push the large triangle in the lower right to modify
                   the label to the Label List Box.

  To Remove a Menu entry:

                1. Select the Menu for removal in the Menus List Box

                2. Select the Menu Entry to be removed in the Menu Entries
                   List Box

                3. Push the "Remove Entry" button

  To Remove a Label:

                1. Select the Label for removal in the Labels List Box

                2. Push the "Remove Label" button