{'caption': 'Selection: Expand to Brackets', 'command': 'expand_selection',
    'args': {'to': 'brackets'}},
{'caption': 'Selection: Expand to Indentation', 'command':
    'expand_selection', 'args': {'to': 'indentation'}},
{'caption': 'Selection: Expand to Tag', 'command': 'expand_selection',
    'args': {'to': 'tag'}}
Expand multiple selection to all suggestions (boxes,hints) in Sublime Text 2