Gopher object type
A character specifying how to display a Gopher document. Current types are:
0 document
1 menu
2 CSO phone book entity
3 error
4 binhex binary
5 DOS binary (deprecated)
6 UU binary (deprecated)
7 index search
8 telnet connection
9 binary
+ duplicate server for previous object
I image
M MIME document
T tn3270 based telnet connection
c cal
g GIF image
h HTML
s binary
u {Usenet} newsgroup