export_epub: %export_epub%
export_mobi: %export_mobi%
export_pdf: %export_pdf%
+ version: %app.version%
+ paypal_url: "https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=9UBA65LG3FX9Y&lc=gb"
+ flattr_url: "https://flattr.com/thing/1265480"
# Assetic Configuration
assetic: