signature

``sudo dpkg-reconfigure fontconfig-config''了一把，使得字体对LED屏幕优化，顺便又安装了文泉驿字体，现在系统的字体看起来很舒服。因为对字体的好奇，搜到一篇好文章，``The Beauty of LaTeX''. 按图索骥，我用LaTeX做了个signature：

重点不在于色彩，而是对`kerning'的演示。Kerning is the process of selectively adjusting the spacing between letters pairs to improve the overall appearance of text.