UNIQUE/SKIP is not working correctly

[Siskin-Bot]

Submitted by: henrikmk

It appears that when using /SKIP, only the first record is tested for uniqueness.

>> a: [1 2 3 4 5 6 1 2 3 4]
== [1 2 3 4 5 6 1 2 3 4]

>> unique/skip a 2
== [1 2 3 4 5 6 3 4]  ; should be [1 2 3 4 5 6]

>> a: [1 2 3 4 5 6 1 2 3 4 5 6]
== [1 2 3 4 5 6 1 2 3 4 5 6]

>> unique/skip a 2
== [1 2 3 4 5 6 3 4 5 6]  ; should be [1 2 3 4 5 6]

>> unique/skip a 3
== [1 2 3 4 5 6 4 5 6]  ; should be [1 2 3 4 5 6]

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^{Imported from: CureCode [ Version: alpha 49 Type: Bug Platform: All Category: Native Reproduce: Always Fixed-in:none ]
Imported from: metaeducation#726}

Comments:

Rebolbot commented on Aug 25, 2010:

Submitted by: henrikmk

This bug appears also in R2, it seems: http://www.rebol.net/cgi-bin/rambo.r?id=4018&

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Rebolbot commented on Mar 2, 2013:

Submitted by: BrianH

This is a general problem with the functions which use /skip for dealing with series of fixed records. We're discussing the issue in #428.

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Rebolbot added the Type.bug on Jan 12, 2016

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[Oldes]

@henrikmk The bug was fixed in Oldes/Rebol3@07e09a2 So far I'm keeping the same result like in Red.