we[?] [nNsxX] [arg]
extend write operations (insert instead of replace)
Usage: write extend
wen <num>
insert num null bytes at current offsetweN <addr> <len>
insert bytes at addresswes <addr> <dist> <block_size>
shift a blocksize left or write in the editorwex <hex_bytes>
insert bytes at current offsetweX <addr> <hex_bytes>
insert bytes at address
wen weN wes wex weX