[Bug 54590] New: riched20:editor & riched32:editor - test_EM_POSFROMCHAR() fails in RTL locales in Wine

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=54590

Bug ID: 54590
           Summary: riched20:editor & riched32:editor -
                    test_EM_POSFROMCHAR() fails in RTL locales in Wine
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: richedit
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

riched20:editor & riched32:editor - test_EM_POSFROMCHAR() fails in
right-to-left locales, specifically ar_MA and he_IL, in Wine.

riched20:editor:
editor.c:719: Test failed: EM_POSFROMCHAR reports x=1, expected 8
editor.c:742: Test failed: EM_POSFROMCHAR reports x=1, expected 8
editor.c:773: Test failed: pt.x = 113

riched32:editor:
editor.c:876: Test failed: EM_POSFROMCHAR reports x=1, expected 8
editor.c:902: Test failed: EM_POSFROMCHAR reports x=1, expected 8

See https://test.winehq.org/data/patterns.html#riched20:editor
    https://test.winehq.org/data/patterns.html#riched32:editor

The failures are similar the ones in bug 54576 but have a different cause
since:
* they only happen in right-to-left locales, whereas bug 54576 only happens in
Hindi
* they only happen in Wine and thus are most likely a Wine bug