@JosephWright The latest version of `l3build` is going great :)
just one thing, I noticed that the "order" of the files affects the result of `l3build install`, for example:
```
typesetfiles = {"demopkg.dtx", "example.tex"}
specialtypesetting = { }
specialtypesetting["example.tex"]= {func = type_example}
```
is perfect, but if you change the order: