builtin_feature.test 598 Bytes
proc
return
class
error
eval
exit
for
foreach
if elseif else
switch
while
break
continue

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[
	["builtin", "proc"],
	["builtin", "return"],
	["builtin", "class"],
	["builtin", "error"],
	["builtin", "eval"],
	["builtin", "exit"],
	["builtin", "for"],
	["builtin", "foreach"],
	["builtin", "if"], ["builtin", "elseif"], ["builtin", "else"],
	["builtin", "switch"],
	["builtin", "while"],
	["builtin", "break"],
	["builtin", "continue"]
]

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Checks for builtins.