Heading

• H1 = (attributes = ) => (children = []) => (allow text)
• H2 = (attributes = ) => (children = []) => (allow text)
• H3 = (attributes = ) => (children = []) => (allow text)
• H4 = (attributes = ) => (children = []) => (allow text)
• H5 = (attributes = ) => (children = []) => (allow text)
• H6 = (attributes = ) => (children = []) => (allow text)
• HGroup = (attributes = ) => (children = []) =>
• Hn = (attributes = ) => (children = []) => (allow text)