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unicode: can't specify rune(s) to be invariant under a SpecialCase case change. #25636

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splace opened this issue May 30, 2018 · 2 comments
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unicode: can't specify rune(s) to be invariant under a SpecialCase case change. #25636

splace opened this issue May 30, 2018 · 2 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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Go1.11

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@splace
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splace commented May 30, 2018

What did you do?

built a unicode.CaseRange that specifies a rune(s) to be its own upper/lower case, by setting it to have a zero delta.

https://play.golang.org/p/u0fOaF41ah8

What did you expect to see?

no case change for rune(s) in the range.

What did you see instead?

special case ignored, rune changed according to default case change rules.
@bcmills
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bcmills commented May 30, 2018

CC @mpvl

@bcmills bcmills added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label May 30, 2018
@bcmills bcmills added this to the Go1.11 milestone May 30, 2018
@bradfitz bradfitz self-assigned this Jun 7, 2018
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Change https://golang.org/cl/117155 mentions this issue: unicode: fix SpecialCase to follow its docs & respect explict no-op mappings

@golang golang locked and limited conversation to collaborators Jun 17, 2019
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