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6. Return to Visual Studio 2015 and stop debugging.
7. Display the code for MainPage.xaml.cs in the Code and Text Editor window and locate the
copyOne method.
The copyOne method copies the character specified as its input parameter to the end of the
text displayed in the lower text box. At the moment, copyOne contains a switch statement
with a single default action. In the following few steps, you will modify this switch statement
to convert characters that are significant in XML to their XML mapping. For example, the <
character will be converted to the string &lt;.
8. Add the following statements shown in bold to the switch statement after the opening brace
for the statement and directly before the default label:
switch (current)
{
case '