https://bugs.documentfoundation.org/show_bug.cgi?id=168866

            Bug ID: 168866
           Summary: Incorrect Turkish alphabet sorting issue
           Product: LibreOffice
           Version: 24.2.2.2 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: [email protected]
          Reporter: [email protected]

Sorting assumes that the following letter pairs are the same:
c, ç
C, Ç
g, ğ
G, Ğ
ı, i
I, İ
o, ö
O, Ö
s, ş
S, Ş
u, ü
U, Ü

However these letters are not the same in Turkish alphabet. Correct ordering of
the Turkish alphabet is as follows:

Upper Case
A, B, C, Ç, D, E, F, G, Ğ, H, I, İ, J, K, L, M, N, O, Ö, P, R, S, Ş, T, U, Ü,
V, Y, Z
Lower Case
a, b, c, ç, d, e, f, g, ğ, h, ı, i, j, k, l, m, n, o, ö, p, r, s, ş, t, u, ü,
v, y, z

For example, when sorting the words çakır and cihan in ascending order,
cihan should appear before çakır, because c comes before ç.

However, the current sorting logic treats c and ç as the same letter,
so it incorrectly places çakır before cihan.
The same issue occurs for all the letter pairs listed above.

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