osmio 0.7.0

message BlobHeader {
    required string type = 1;
    optional bytes indexdata = 2;
    required int32 datasize = 3;
}

message Blob {
    optional bytes raw = 1; // No compression
    optional int32 raw_size = 2; // When compressed, the uncompressed size

    // Possible compressed versions of the data.
    optional bytes zlib_data = 3;

    // PROPOSED feature for LZMA compressed data. SUPPORT IS NOT REQUIRED.
    optional bytes lzma_data = 4;

    // Formerly used for bzip2 compressed data. Depreciated in 2010.
    optional bytes OBSOLETE_bzip2_data = 5 [deprecated=true]; // Don't reuse this tag number.
}