ref: a74c7ca5ea3290dd55c6f2a03aa7c3bcd22d3f61
dir: /sys/doc/sam/fig5.pic/
.PS scale=100 define m0 | [ $2: box "\f(CWBuffer\fP" $1 ht 40 wid 88 with .nw at 0,40 box "\f(CWString\fP" "(cache)" ht 40 wid 72 with .nw at 104,40 line left 16 from last box.w ] | define m1 | [ box "\f(CWDisc\fP" ht 40 wid 88 with .sw at 0,56 box "temp. file" ht 40 wid 88 with .sw at 0,0 line up 16 from last box.n ] | D1: m1 with .nw at 184,576 D2: m1 with .nw at 0,576 Mtranscript: m0("(transcript)", Buffer) with .nw at 0,640 Mcontents: m0("(contents)", Contents) with .nw at 184,640 F: box "\f(CWFile\fP" ht 40 wid 112 with .nw at 75,704 line from D2.n to Mtranscript.Buffer.s line from D1.n to Mcontents.Contents.s line up 12 from Mtranscript.Buffer.n then right 50 then up 12 line up 12 from Mcontents.Contents.n then left 60 then up 12 .PE