prompt-range -- Prompt using PROMPT for a numeric value in RANGE, and call PROC with value if Ok is clicked.
prompt-integer-range -- Prompt using PROMPT for an integer value in RANGE, and call PROC with value if Ok is clicked.
prompt-range-hbox -- Create and return a range-prompting hbox and scale, label.
prompt-integer-range-hbox -- Create and return an integer-range-prompting hbox and scale, label.