Add debugger commands to reference card
Review all FIXME and TODO comments

FIX regular field splitting to use FPAT algorithm.

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Code Review:
array.c
awkgram.y
awkprintf.h
cmd.h
command.y
debug.c
eval.c
ext.c
field.c
floatcomp.c
floatmagic.h
gawkmisc.c
io.c
main.c
profile.c
protos.h
re.c

DONE:
awk.h
builtin.c
node.c
mbsupport.h
xalloc.h
version.c
replace.c
msg.c
hard-locale.h
custom.h

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Add in gawk/mp

Design and implement I/O plugin API.

Implement C function call API per man pages

xgawk features (@load, -l, others)

Add tests for patches in emails