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Greek characters in cp1251 vs uppercasing [CORE1431] #1849

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

Greek characters in cp1251 vs uppercasing [CORE1431] #1849

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

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@firebird-automations
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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

@firebird-automations
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Modified by: @asfernandes

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

resolution: Fixed [ 1 ]

Fix Version: 2.1 Beta 2 [ 10190 ]

@firebird-automations
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Modified by: @pcisar

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

@firebird-automations
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Modified by: @pcisar

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

@firebird-automations
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Modified by: @asfernandes

Link: This issue relate to CORE2912 [ CORE2912 ]

@firebird-automations
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Modified by: @pavel-zotov

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

QA Status: Done successfully

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