atom syntax-settings with softTabs

gistfile1.coffee

'global':
  'core':
    'projectHome': '/Users/hugo/src'
    'themes': [
      'seti-ui'
      'atom-dark-syntax'
    ]
  'exception-reporting':
    'userId': '8a65a36b-bf21-c011-b2bb-cb681c3dd6d4'
  'welcome':
    'showOnStartup': false
  'editor':
    'fontSize': 14
    'showIndentGuide': true
    'invisibles': {}
  'syntax-settings':
    'source':
      'xml':
        'editorSettings': {}
      'groovy':
        'editorSettings':
          'tabLength': 4
    'text':
      'xml':
        'editorSettings':
          'tabLength': 4
          'softTabs': true