后来在1910年，一个敏锐的观察者发现一个作者用的打印机的指令和另个书的作者Puttenham的字体一样。

Then in 1910 a keen observer saw a note that an author had made instructing their printer to use the same typeface as the book by another author named Puttenham.

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这些被为了使用格式设置指令仅，然后将这些说明带到分别创建一个屏幕显示、鏂囨湰鏂囦欢、打印机页或字符串，设计。

These are designed to consume formatting instructions only, and then take those instructions to construct a screen display, a text file, a printer page or a string, respectively.

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你是否想过你的电脑是如何给不同制造商的打印机发送文件指令？

Have you ever wondered how your computer sends your documents to a printer from a different manufacturer?

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