The mekto web client complains about unknown tag value surface=mud, but the official web client accept it. So guess you may use an obsolete lookup.dat file.
Additionally, it does not follow the Brouter development, as it does not accept new syntax the BRouter implemented during last year, like various functions.
The mekto web client complains about unknown tag value surface=mud, but the official web client accept it. So guess you may use an obsolete lookup.dat file.