code: function isInlineNode(node) {
          return dom.isCharacterDataNode(node) ||
                  (node.nodeType == 1 && inlineDisplayRegex.test(getComputedStyleProperty(node, "display")));
      }
docs: "An inline node is either a Text node, or an Element whose 'display'
  property computes to 'inline', 'inline-block', or 'inline-table'."