Check headers , footers , graphs and text boxes

核对标题、脚注、图表和文本框

We tend to go directly to the main text and forget about headers and footers , where more than one grave error lies in hiding .

我们往往直接专注于主体正文，而忽略了标题和脚注，那里可能藏有不止一个严重的错误。

Most html 4 pages include a variety of common structures , such as headers , footers and columns and today , it is fairly common to mark them up using div elements , giving each a descriptive id or class .

大多数的html4网页含有各种共同的结构，比如页眉，页脚和列，如今，使用div元素加上描述id或class来标记是相当普遍的。