4.52

easy changes if you make 4.51 right.

check whole file ./chapter4/code/sim/seq/seq-full.hcl with iaddq functionality

only watch changes with origin seq-full.hcl file

(cd ./chapter4/code/sim/seq; diff -u origin-seq-full.hcl seq-full.hcl)

!INCLUDE './code/sim/seq/seq-full.diff'