(Solved): 11. In the following well-formed XML, change the format to remove the XML attributes and use elemen ...

11. In the following well-formed XML, change the format to remove the XML attributes and use elements instead to store the data. \( < \) ?xml version=" \( 1.0 \) "?> 1.2. From (1.1) above, state several advantages and disadvantages of each type of format: data attributes and data elements. 2.1. What (dozen or so!) errors make the following XML not well-formed? 1) Describe them in your own words, and 2) Correct them. (Tip: What tools can help?) exmlLibrary> George Bernard Shaw eplay description>Comedy dealing with the futility of w ar and the hypocrisy of human nature. \( Agatha Christiec/a uthor> eplay description>A traditional whodunnit with an extraordinary twist, c/xm1Library> 2.2. How would you declare an XML entity reference for an e-mall address so that you could easily change it in one place rather than many? Give a complete example.