The User-defined keys (U1 - U0) are available for any keys that are not defined in the table above. These can be used for special purposes.
The VT-100 has the four arrow keys and function keys 1 through 4. The function keys send ESCO followed by a distinguishing character, and the arrow keys send ESC[ and a distinguishing character. The new entry is:
vt100|vt-100|DEC VT-100 :\ :cl=\E[;H\E[2J:ce=\E[K:cd=\E[J:\ :cm=\E[%i%d;%dH:nd=\E[C:\ :LO=\E[m:HI=\E[0;1m:RV=\E[7m:\ :UL=\E[4m:BL=\E[5m:RU=\E[4;7m:\ :RB=\E[5;7m:DL:\ :k1=\EOP:k2=\EOQ:\ :k3=\EOR:k4=\EOS:ku=\E[A:\ :kd=\E[B:kr=\E[C:kl=\E[D: