System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: GeForce GTX 1050/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 445.75
Blender Version
Broken: version: 2.83 (sub 13), branch: master, commit date: 2020-04-15 10:36, hash: rB6547d9d3e2cb
Short description of error
Text selection is broken by text offset.
Non utf8 text acts like utf8 text when offset is set.
Exact steps for others to reproduce the error
On the default startup.
Paste "ㅁㅁㅁㅁㅁㅁasㅁbbbbbb" on the serchbox.
Try selecting "a" by the mouse, then "asㅁ" will be selected.
Type a letter next to "ㅁ", This will break the text.