.title() - annoying mistake

[Sibylle Koczian]

Am 20.03.2021 um 09:34 schrieb Alan Bawden:
> The real reason Python strings support a .title() method is surely
> because Unicode supports upper, lower, _and_ title case letters, and
> tells you how to map between them.  Consider:
> 
>     >>> '\u01f1'.upper()
>     '\u01f1'
> 
> This is the "DZ" character.
> 
>     >>> '\u01f1'.lower()
>     '\u01f3'
> 
> This is the "dz" character.
> 
>     >>> '\u01f1'.title()
>     '\u01f2'
> 
> This is the "Dz" character.
> 
> When you write that code to capitalize your book titles, you should be
> calling .title() rather than .upper() if you are doing it right.
> 
But that's exactly what he's doing, with a result which is documented, 
but not really satisfactory.