doc: paste license text in License paragraph
doc: paste file: cme run paste-license --arg license=Expat --arg file=MIT.txt
doc: paste STDIN: cat MIT.txt | cme run paste-license --arg license=Expat

var: $var{input} = exists $args{file} ? $args{file} : '-';

app: dpkg-copyright

load: License:"$license" text=.file("$input")

