kerned character: A character that has a total image size greater than its character increment. Toned pels can extend beyond the character increment on either side of the character.; 一种字符,其总的映象尺寸大于它的字符正常占用空间。色调太浓的象素(即油墨过多) 很可能经延伸就超过其应占的字符空间,这种延伸可发生在字符上下左右的任何一边。
