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svn:author
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tobik
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svn:date
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2018-06-11T06:32:32.438403Z
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svn:log
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graphics/libsixel: Update to 1.8.1

While here

- switch to using the immutable tarballs upstream provides [1]

- add missing DOCS option

[1] https://github.com/saitoha/libsixel/issues/64

PR:		228881
Submitted by:	IWAMOTO Kouichi <sue@iwmt.org> (maintainer)

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