![]() ![]() They are base characters in their own right. They are not formally combining marks (gc = Mn or gc = Mc) and do not graphically combine with the base letter that they modify. Modifier letters, in the sense used in the Unicode Standard, are letters or symbols that are typically written adjacent to other letters and which modify their usage in some way. The issue is that this is a "spacing modifier" character, and so it attaches to, and modifies the meaning / pronunciation of, the character before or after it, depending on which modifier character you are dealing with.Īccording to the Unicode Standard, Chapter 7 (Europe-I), Section 7.8 (Modifier Letters), (of the document, not of the PDF): 7.8 Modifier Letters WHERE NCHAR(nums.) = NCHAR(0x02BB) COLLATE Latin1_General_100_CI_AS SELECT TOP (65536) (ROW_NUMBER() OVER (ORDER BY - 1) AS ĬONVERT(BINARY(2), nums.) AS , The issue here is not that it doesn't equate to any other character (outside of a binary collation), and in fact it actually does equate to one other character ( U+0312 Combining Turned Comma Above): WITH nums AS They added a lot of sort weights and uppercase/lowercase mappings in the 100 series that aren't in the 90 series, or the non-numbered series, or the mostly obsolete SQL Server collations (those with names starting with SQL_). Now, anyone using SQL Server 2008 or newer should be using a 100 (or newer) level collation. ![]() SELECT REPLACE(N'a˚aa' COLLATE Latin1_General_100_CI_AS, N'a˚', N'_') - Returns _aa For example, the following character (U+02DA Ring Above) behaves slightly differently depending on which side of a character it is on: SELECT REPLACE(N'a˚aa' COLLATE Latin1_General_100_CI_AS, N'˚a', N'_') - Returns a_a This behavior is not specifically a "problem", though yes, there are other characters that exhibit similar behavior.
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