When typing in this code, the words 'label' and 'input' are underscored with a red wavy line. Hovering the cursor over them produces this tip: "In XHMTL 1.1 the tag <form> cannot contain the tag <input> (or <label>)" .

Previewed it - no styling is applied at all

Switched to XHTML 1.0 Transitional - no wavy lines, but still doesn't work.

(sigh)

Any idea why? Do others have it working without further tweaks?