So, it will show you what was entered and make you think it’s case-sensitive, but then when you go to do the comparison, it actually ignores case.
The stupid thing is that MacOS was also case-preserving but not case-sensitive for a long time.
[nathell@macmini /tmp]$ echo first > A [nathell@macmini /tmp]$ echo second > a [nathell@macmini /tmp]$ cat A second