I'm theming a comments section on a page in a D7 site.
What I want is for the label for the forms items to show as a
placeholder attribute rather than above the element.
I've used a
hook_form_alter to add the placeholder attributes, e.g.
$form['comment_body']['#attributes']['placeholder'] = t('Add comment here');
…but don't seem to be able to hide the label. In a normal form I can set the label to hidden but there's no option under 'manage display' for the comment form.
Is there something I can do in my hook to do it instead? I know I can hide it with CSS but would like to know The Drupal Way™