.title() - annoying mistake

[David Kolovratník]

On Sat, Mar 20, 2021 at 04:34:02AM -0400, Alan Bawden wrote:
> 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.
It would be great to read this reasoning in the documentation.

Cheers,
David