This directory contains patches that must be applied for some old Debian/Ubuntu versions, in order to build Debian packages. They are automatically applied by the script "tools/build-debian.sh". Notes for some versions of distributions: * asciidoctor: On these distributions, asciidoctor must be installed manually with the command "gem install asciidoctor" (as root): - Debian jessie (8.0) - Debian wheezy (7.0) - Ubuntu trusty (14.04)