代码引导字符 code directing character; code direction character; coded directing character
前导 1.(在前面引路) lead the way; march in front; precede2.(在前面引路的人) a person who leads the way; pioneer; guide 以仪仗队为前导 with the guard of honourmarching at the head; 前导轮 front jockey wheel
If the leader ' s length is too long to fit in the area , the leader will begin a new line 如果前导字符长度太长,与整个区域明显不适应,那么它将会令起一行。
If the leader should fill all space on a line , the max length of the leader should be at least as large as the width of the column 如果前导字符需要在一行中填充空格,那么前导字符的最大长度至少与列的宽度相同。