Input:
<feature>
  <keyboardshortcut>C-m</keyboardshortcut>
  <option1>disabled</option2>
  <option2>enabled</option2>
</feature>
<!-- bash script features START -->
<feature>
  <keyboardshortcut>C-f</keyboardshortcut>
  <option1>enabled</option2>
  <option2>disabled</option2>
</feature>
<feature>
  <keyboardshortcut>C-g</keyboardshortcut>
  <option1>enabled</option2>
  <option2>enabled</option2>
</feature>
<!-- bash script features END -->

Output:
<feature>
  <keyboardshortcut>C-m</keyboardshortcut>
  <option1>disabled</option2>
  <option2>enabled</option2>
</feature>
<!-- bash script features START -->
<feature>
  <keyboardshortcut>C-f</keyboardshortcut>
  <option1>disabled</option2>
  <option2>disabled</option2>
</feature>
<feature>
  <keyboardshortcut>C-g</keyboardshortcut>
  <option1>enabled</option2>
  <option2>enabled</option2>
</feature>
<!-- bash script features END -->