support for for-else and while-else

[simeonschaub]

companion to JuliaLang/julia#56153

[c42f]

The upstream reception of this seems overall negative, so I guess we might not do it?

A minor comment if we do ever merge this - for tests we should never depend on VERSION unless really necessary: JuliaSyntax is multi-version aware :)

[c42f]

Suggested change

	if VERSION >= v"1.12-"
	@test parsestmt("for x=xs\ny\nelse\nz\nend") ==
	Expr(:for,
	Expr(:(=), :x, :xs),
	Expr(:block,
	LineNumberNode(2),
	:y,
	),
	Expr(:block,
	LineNumberNode(4),
	:z,
	LineNumberNode(5)
	)
	)
	end
	@test parsestmt("for x=xs\ny\nelse\nz\nend", version=v"1.12") ==
	Expr(:for,
	Expr(:(=), :x, :xs),
	Expr(:block,
	LineNumberNode(2),
	:y,
	),
	Expr(:block,
	LineNumberNode(4),
	:z,
	LineNumberNode(5)
	)
	)