# option data expressions

# options
option mytext code 250 = text;
option mytext = substring("foobar", 1, 3);

option mydata code 251 = string;
option mydata = concat("\b", "\125\126");

option mydata2 code 252 = string;
option mydata2 = aa:bb:cc;

# not yet
option mydata3 code 253 = string;
option mydata3 = concat(aa, bb, cc);