![为什么 $\XeLaTeX$ 上的小型大写字母的字距不正确?](https://linux22.com/image/477857/%E4%B8%BA%E4%BB%80%E4%B9%88%20%24%5CXeLaTeX%24%20%E4%B8%8A%E7%9A%84%E5%B0%8F%E5%9E%8B%E5%A4%A7%E5%86%99%E5%AD%97%E6%AF%8D%E7%9A%84%E5%AD%97%E8%B7%9D%E4%B8%8D%E6%AD%A3%E7%A1%AE%EF%BC%9F.png)
\documentclass{article}
\usepackage{fontspec}
\setmainfont[ItalicFont=AGaramondPro-Italic.otf,
BoldFont=AGaramondPro-Bold.otf,
BoldItalicFont=AGaramondPro-BoldItalic.otf,
Numbers=OldStyle]
{AGaramondPro-Regular.otf}
\begin{document}
\textsc{small capital} is not the same as SMALL CAPITALS scaled down,
but either kerning or letter spacing is off.
\end{document}
字形的形状是正确的,即 XeLaTeX 知道在哪里以及如何找到真正的小型大写字母,而不是仅仅通过缩小常规大写字母来制作假的,但为什么字距这么不对???