- Update to version 3.4
* diff accepts two new options --color and --palette to generate
and configure colored output. --color takes an optional
argument specifying when to colorize a line: --color=always,
--color=auto, --color=never. --palette is used to configure
which colors are used.
* many bugfixes
- New -lang subpackage
- Drop no longer needed gnulib-perl522.patch