.KF
.TS
center;
l l
| lw(22n) | aw(20n).
_	
T{
.ce 1000
.sp
Saved lino
.sp
Saved lc
.sp
Saved dp
.sp
.ce 0
T}	T{
.if n .sp 2
Created by \s-2CALL\s0
T}
_	
T{
.ce 1000
.sp
Saved dp contents
.sp
Pointer to current
section name and
entry line
.sp
Current file name
and buffer
.sp
Top of stack reference
.sp
.ce 0
T}	T{
.if n .sp 2
Created by \s-2BEG\s0
T}
_	
.TE
.sp
.ce
Figure 1.2 \- Block mark structure
.sp
.KE