ASCII Drawings in Manual Pages ?

[Tom Smyth]

Hello Lads, Ladies
what is the consensus about ascii drawings
for Manual pages ?
eg for point to point adddressing could we include

                    inet 10.3.4.5 0xffffffff 10.1.2.3
                              +
                              |
 +-----------------+          |  +------------------+
 |  Router A       |          v  |    Router B      |
 |                 +-+--------+--+                  |
 +-----------------+ ^           +------------------+
                     |
                     |
inet 10.1.2.3 0xffffffff 10.3.4.5

or is the view dependent on users chosen terminal
font so you don't bother with them ?

Thanks

Tom smyth