Diff ppx_tools-6.3 with a ppx_tools-6.4

/usr/portage/dev-ml/ppx_tools/ppx_tools-6.4.ebuild 2023-10-09 14:52:29.804368358 +0300
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LICENSE="MIT"
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SLOT="0/${PV}"
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KEYWORDS="amd64 ~arm ~arm64 ~ppc ~ppc64 x86"
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KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
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IUSE="+ocamlopt"
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BDEPEND="
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	dev-ml/cppo
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	<dev-lang/ocaml-4.13.0
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	<dev-lang/ocaml-4.14.0
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"
Thank you!