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

FIX regular field splitting to use FPAT algorithm.

Look at function order within files.

regex.h - remove underscores in param names (for 4.1)

Really make failure to open a socket a non-fatal error (for 4.1).

?? Scope IDs for IPv6 addresses ??

DONE: Merge the chapter and the appendix on floating-point math (for 4.1).

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Code Review:
awkgram.y
debug.c
eval.c
ext.c
field.c
floatcomp.c
floatmagic.h
gawkmisc.c
profile.c
protos.h

DONE:
array.c
awk.h
builtin.c
cmd.h
command.y
custom.h
hard-locale.h
io.c
main.c
mbsupport.h
msg.c
node.c
re.c
replace.c
version.c
xalloc.h

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DONE: Add in gawk/mp

DONE: Design and implement I/O plugin API.

DONE: Implement C function call API per man pages

DONE: xgawk features (@load, -l, others)

Add tests for patches in emails