Mapper 0.6.1: "Error at line 1 column 40: Invalid file format version."

[matkoniecz]

input, output, log, symbols file: https://gist.github.com/matkoniecz/f810739963a248602e37475965fa91c6

Data obtained from http://www.openstreetmap.org/export#map=19/50.05379/19.85035

I generated file that can not be opened by Mapper:

Cannot open file:
/home/mateusz/Desktop/tmp/osm2xmap/bin/out.xmap

Error at line 1 column 40: Invalid file format version.

[sembruk]

It looks like a bug in the libroxml (the colon before the tag name).