Move data files into the Python package.
The packe directory is now always searched for include files, after
all other directoreis given in $YML_PATH.
include homepage.en.yhtml2
page "Hello, world" {
p >>
Hello, world! I can link here, say:
¬http://en.wikipedia.org to Wikipedia¬
>>
p >>
This is ƒemphasized. And this is «code».
>>
}