标题 == 一级标题 == (2) 一级标题 === 二级标题 == (3) 二级标题 ==== 三级标题 == (4) 三级标题 ===== 小标题 == (5) 小标题 ====== 更小的标题 == (6) 更小的标题 ======= 最小的标题 == (7) 最小的标题 Note: Right of the Heading it does not require the same number of "=" characters, it suffice two "=" signs. The ==Primary Heading== is usually set with the page title and is by default not included in the table of content.