[Bug 52932] New: user32:edit - test_char_from_pos() fails on Windows with the UTF-8 codepage

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52932

Bug ID: 52932
           Summary: user32:edit - test_char_from_pos() fails on Windows
                    with the UTF-8 codepage
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: user32
          Assignee: [e-mail]
          Reporter: [e-mail]

user32:edit's test_char_from_pos() fails on Windows with the UTF-8 codepage.
Adding some traces it's clear that the problem is with the lower bounds:

edit.c:1161: Test failed: 4/4/8: expected 1 got 0
edit.c:1179: Test failed: 282/282/286: expected 1 got 0
edit.c:1197: Test failed: 143/143/147: expected 1 got 0

https://test.winehq.org/data/patterns.html#user32:edit