alphabetic

It provides an alphabetic listing with controls to jump to a specific letter page in the contact list as shown in figure 13.

它提供了一个带有控件的字母清单，可以跳到联系人页面中特定字母的页面，如图 13 所示。

Attribute names can include the same characters as element names, with similar rules for omitting spaces and starting names with alphabetic characters.

属性名可以包含在元素名中使用的字符，规则也是类似的，即字符之间不能带有空格，名称只能以字母开始。