The keywords of sketch
are picturebox
curve
def
dots
frame
global
input
line
polygon
put
repeat
set
sweep
and then
. The sketch
parser will note a
syntax error if any of these are used in place of a proper identifier.
In addition, there are reserved words
that can currently be defined by the user, but with the risk that
future versions of sketch
will reject those definitions. The
reserved words are atan2
cos
inverse
perspective
project
rotate
scale
sin
special
sqrt
translate
unit
and
view
.