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Greek characters in cp1251 vs uppercasing [CORE1431] #1849

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firebird-issue-importer opened this issue Aug 29, 2007 · 5 comments
Closed

Greek characters in cp1251 vs uppercasing [CORE1431] #1849

firebird-issue-importer opened this issue Aug 29, 2007 · 5 comments

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@firebird-issue-importer

Submitted by: @dyemanov

Relate to CORE2912

Win1251 charset contains some Greek characters that are not explicitly paired with the upper/lower counterparts. For example, the small letter "mu" (code 0xB5) doesn't have a capital counterpart. I don't really know how to explain that -- whether this is as designed ("mu" actually means a scientific symbol) or it's supposed that the Cyrillic capital letter "em" (code 0x4D) should also act as a Greek capital letter (their visual glyphs are the same).

Anyway, the small "mu" is successfully uppercased by the v2.1 Unicode internals, but its capital counterpart doesn't fit Win1251 when applying the characters backward. In other words, upper(_win1251 '<mu>') produces transliteration error in v2.1. In practice, it means that some scientific strings (where "mu" usually means "micro") cannot be uppercased or searched with CONTAINING in v2.1.

In prior versions, "mu" was never uppercased. I would suggest to keep this behavior.

Commits: 4581e24

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@firebird-issue-importer firebird-issue-importer commented Aug 29, 2007

Modified by: @asfernandes

status: Open [ 1 ] => Resolved [ 5 ]

resolution: Fixed [ 1 ]

Fix Version: 2.1 Beta 2 [ 10190 ]

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@firebird-issue-importer firebird-issue-importer commented Dec 26, 2007

Modified by: @pcisar

status: Resolved [ 5 ] => Closed [ 6 ]

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@firebird-issue-importer firebird-issue-importer commented Jan 28, 2008

Modified by: @pcisar

Workflow: jira [ 12910 ] => Firebird [ 14206 ]

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@firebird-issue-importer firebird-issue-importer commented Jun 20, 2013

Modified by: @asfernandes

Link: This issue relate to CORE2912 [ CORE2912 ]

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@firebird-issue-importer firebird-issue-importer commented May 27, 2015

Modified by: @pavel-zotov

status: Closed [ 6 ] => Closed [ 6 ]

QA Status: Done successfully

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