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)
