__NOTOC__
{{{1}}}
{{!}}
{{SITENAME}}
{{#ifexists:foo}}

----------------------------------------------------

[
	["variable", "__NOTOC__"],
	["variable", "{{{1}}}"],
	["variable", "{{!}}"],
	["variable", "{{SITENAME}}"],
	["variable", "{{#ifexists:foo}}"]
]

----------------------------------------------------

Checks for variables and magic words.