/L20"AutoLISP" Line Comment = ; File Extensions = LSP MNL
/Delimiters = ()"
/Indent Strings = "("
/Function String = "(defun "

/C1 (blue - loop control)
if
cond
while
repeat
progn
foreach

/C2 (red - constants)
setq 
setvar
T
t
*error*
nil
NIL
pi
alert
quit
exit

/C3 (orange - math)
*
+
-
// /
// /=
1+
1-
<
<=
=
>
>=
abs
and
angle
angtof
angtos
atan
atof
atoi 
boundp
cos
distance
eq
equal
exp
expt
fix
float
log
logand
logior
lsh
max
min
minusp
not
null
or
sqrt
zerop
~


/C4 (green - list manipulation)
append 
caddr 
cadr  
cdddr
cal
car   
cdr   
cons
length 
list
listp
member
nth
reverse
subst

/C5 (brown - less-used)
acad_colordlg
acad_helpdlg
acad_strlsort
action_tile
add_list
ads
alloc
apply
arx
arxload
ascii
atom
atoms-family
autoarxload
autoload
autoxload
boole
client_data_tile
close
command
cvunit
dictadd
dictnext
dictremove
dictrename
dictsearch
dimxtile
dimytile
done_dialog
done_dialog
end_image
end_list
eval
expand
fill_image
findfile
gc
gcd
get_attr
get_tile
getangle
getcfg
getcorner
getdist
getenv
getfiled
getint
getkword
getorient
getpoint
getreal
getstring
getvar
graphscr
grclear
grdraw
grread
grtext
grvecs
handent
help
initget
inters
lambda
last
load
load_dialog
mapcar
mem
menucmd
menugroup
mode_tile
namedobjdict
new_dialog
numberp
open
osnap
pause
polar
prin1
princ
print
prompt
quote
read
read-char
read-line
redraw
regapp
rem
rtos
set
set_tile
setcfg
setfunhelp
setview
sin
slide_image
snvalid
start_app
start_dialog
start_image
start_list
tablet
term_dialog
terpri
textbox
textpage
textscr
trace
trans
type
unload_dialog
untrace
vector_image
ver
vmon
vports
wcmatch
write-char
write-line
xdroom
xdsize
xload
xunload

/C6 purple (entity/table access, string manipulation)
assoc
chr
distof
entdel
entget
entlast
entmake
entmakex
entmod
entnext
entsel
entupd
itoa 
nentsel
nentselp
ssadd
ssdel
ssget
ssgetfirst
sslength
ssmemb
ssname
ssnamex
sssetfirst
strcase
strcat
strlen
substr
tblnext
tblobjname
tblsearch