widget: Utilities

 
 11 Utilities
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  -- Function: widget-prompt-value widget prompt [ value unbound ]
      Prompt for a value matching WIDGET, using PROMPT.  The current
      value is assumed to be VALUE, unless UNBOUND is non-‘nil’.
 
  -- Function: widget-get-sibling widget
      Get the item which WIDGET is assumed to toggle.  This is only
      meaningful for radio buttons or checkboxes in a list.