| .de CO				\" Set type color; no value => reset | 
 | .ie '\\$1'' .ds oC \\*(pC | 
 | .el \{\ | 
 | .ds pC \\*(oC | 
 | .ds oC \\$1 \\$2 \\$3 \\$4 | 
 | ...\} | 
 | \\X'color \\*(oC'\c | 
 | .. | 
 | .de BC				\" Set background color; no value => reset | 
 | .ie '\\$1'' .ds oB \\*(pB | 
 | .el \{\ | 
 | .ds pB \\*(oB | 
 | .ds oB \\$1 \\$2 \\$3 \\$4 | 
 | ...\} | 
 | \\X'bgcolor \\*(oB'\c | 
 | .. | 
 | .de CL | 
 | \\X'clear'\c | 
 | .. | 
 | .de IN				\" Include picture $1 with ul corner at ($2,$3) | 
 | .nr xc \\$2i | 
 | .nr yc \\$3i | 
 | \\X'picfile \\$1 \\n(xc \\n(yc'\c | 
 | .. | 
 | .de CW				\" clear window ($1,$2) is ul ($3,$4) is lr, uses bg color | 
 | .nr x0 \\$1i | 
 | .nr y0 \\$2i | 
 | .nr x1 \\$3i | 
 | .nr x2 \\$4i | 
 | \\X'clrwin \\n(x0 \\n(y0 \\n(x1 \\n(y1 | 
 | .. | 
 | .de BW				\" window border ($1,$2) is ul ($3,$4) is lr, uses fg color | 
 | .nr x0 \\$1i | 
 | .nr y0 \\$2i | 
 | .nr x1 \\$3i | 
 | .nr x2 \\$4i | 
 | \\X'border \\n(x0 \\n(y0 \\n(x1 \\n(y1 | 
 | .. | 
 | .de SL				\" start slide, args are optional title | 
 | .bp | 
 | .ce 0 | 
 | .ft B | 
 | .nf | 
 | .if !'\\$1'' \{\ | 
 | .ps 36p | 
 | .vs 36p | 
 | \\$1 \\$2 \\$3 \\$4 \\$5 \\$6 \\$7 \\$8 \\$9 | 
 | ...\} | 
 | .ps 30p | 
 | .vs 30p | 
 | .. | 
 | .de PS				\" Start pic picture | 
 | .				\" $1 is height, $2 is width, both in inches | 
 | .sp .3 | 
 | .in (\\n(.lu-\\$2)/2u | 
 | .ne \\$1 | 
 | .. | 
 | .de PE				\" End pic picture | 
 | .in | 
 | .sp .6 | 
 | .. | 
 | .de IS				\" Start ideal picture | 
 | .				\" $1 is width, $2 is height, both in inches | 
 | .				\" in ideal, however, we see two IS's for each picture, | 
 | .				\" and only the second one has the goods | 
 | .nr ID 0 | 
 | .ie !'\\$1'' \{\ | 
 | .sp .3 | 
 | .nr ID 1 | 
 | .in (\\n(.lu-\\$1)/2u | 
 | .ne \\$2 | 
 | ...\} | 
 | .. | 
 | .de IE				\" End ideal picture | 
 | .if \\n(ID .in | 
 | .if \\n(ID .if t .sp .6 | 
 | .. | 
 | .ds oC 255 255 255 255			\" type color | 
 | .ds oB   0   0   0   0			\" background color | 
 | .pl 4.8i				\" page length | 
 | .po .1i					\" left margin | 
 | .ll 6.2i				\" line length | 
 | .ta 0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i +0.5i | 
 | .nf | 
 | .ps 30p | 
 | .vs 30p | 
 | .fp 1 R Lucida | 
 | .fp 2 I LucidaI | 
 | .fp 3 B LucidaB | 
 | .fp 4 BI LucidaBI | 
 | .fp 5 S LucidaS | 
 | .fp 6 SB LucidaSB | 
 | .fp 7 SI LucidaSI | 
 | .fp 8 SK LucidaSBI | 
 | .fp 9 CW LucidaCW | 
 | .ft B |