pr printpxp printparse
pr READ_ME
pr how*
cd ../man6 ; nroff naa pxp.6 ; cd ../pxp
ls -ls | pr
pr sizes
pr makepxp
pr comp gram load whoami
cxref *.c > XREF ; pr XREF
pr 0.h
pr main.c
pr pas.y
: pr y.output
pr yy.h
pr yy*.c
pr [a-ln-x]*.c
pr treen.s yycopy.s