Basic styles

1. The data should be loaded with:

• italic "This",
• bold "editor",
• underline "instance",
• strikethrough "is",
• code "an",
• subscript X₁,
• superscript X².

2. The second sentence should bold the following words: bold, 600, 700, 800, 900.
3. Test the bold, italic, strikethrough, underline, code, subscript and superscript features live.