alphabetic character

基本解释

A control symbol consists of a backslash followed by a single, non alphabetic character.
一个控制符号由一个反斜杠以及紧跟着它的一个简单的非字母的字符。
In this example, you enter a character from the keyboard and the program checks if the input character is an alphabetic character.
此示例检查输入字符是否是小写字符、大写字符或数字。
You can tell vi to place a bookmark at a point in a file by pressing the M key followed by another alphabetic character that denotes the bookmark reference.
可以让 vi 在文件中的特定位置放上书签。方法是按 Escape 键，再按 M 键，然后输入另一个表示书签引用的字母表字符。