The `Width` parameter of fontspec not working
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निरंजन 
Is this a bug or I am doing something wrong?

```
\documentclass{article}
\usepackage{fontspec}

\begin{document}
\fontspec[Color          = {red}]{NewCMMono10-Book.otf}%
abcd

\fontspec[%
  Color                  = {green},%
  Width                  = {20}%
]{NewCMMono10-Book.otf}%
abcd
\end{document}
```

![image.png](/image?hash=c6b312931b1a7cdde169abbc53e058cb4057f14049c3e0ca2dcadcf4c6631a5b)

I was expecting the width of the characters to have changed as explained in the documentation.
Top Answer
निरंजन 
`FakeStretch` is the required key (Courtesy: https://tex.stackexchange.com/a/429637/).

```
\documentclass{article}
\usepackage{fontspec}

\begin{document}
\fontspec[Color          = {red}]{NewCMMono10-Book.otf}%
abcd

\fontspec[%
  Color                  = {green},%
  FakeStretch            = {0.75}%
]{NewCMMono10-Book.otf}%
abcd
\end{document}
```

![image.png](/image?hash=505cde36767dba7e1f42f6236a1e5038a75c07eeeebd32cb71cfd82cf0f3a834)
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