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我正在使用Lettering.js来格式化文本块,以便每个字母都单独加下划线(一种填空类型的东西)。但结果是单词之间的空格也会显示下划线。有没有办法省略空格上的下划线,而不必将每个空格包裹在一个跨度中并将下划线设置为样式?