Preview
Published document
This surface represents the rendered output of the editor.
Resize the dotted internal seams or the exposed outer edge of Preview/Help, change the viewport width, and compare contextual field help with the full-document reading surface. This route uses a real page rather than a bounded WTFM example.
Use a field's information button to open compact help that remains attached to the field as the application page scrolls.
Scroll here after opening help. Full-document help stays in view above the footer; field-specific help continues to move with its field.
This surface represents the rendered output of the editor.
The full-document help surface should remain viewport-height above this footer.