Textwrap doesn't honour NO-BREAK SPACE

[Wolfgang Maier]

On 29.09.2017 07:25, Steve D'Aprano wrote:
> I don't have Python 3.6 installed, can somebody check to see whether or not it
> shows the same (wrong) behaviour?
> 
> 
> import textwrap
> text = ('Lorum ipsum dolor sit amet, consectetur adipiscing'
>          ' elit ZZZ\xa0ZZZ sed do euismod tempor incididunt'
>          ' ut labore et dolore magna aliqua.')
> print(textwrap.fill(text, 59))
> 
> 
> 
> Expected result:
> 
> 
> Lorum ipsum dolor sit amet, consectetur adipiscing elit
> ZZZ ZZZ sed do euismod tempor incididunt ut labore et
> dolore magna aliqua.
> 
> 
> Actual result in Python 3.5 and older:
> 
> 
> Lorum ipsum dolor sit amet, consectetur adipiscing elit ZZZ
> ZZZ sed do euismod tempor incididunt ut labore et dolore
> magna aliqua.
> 
> 
> I'm pretty sure this is a bug.
> 

Yes, it is a bug, but a known one: https://bugs.python.org/issue20491

The fix got backported even to 3.5, but I guess it depends which minor 
version you are running. I'm pretty sure that explains why people report 
different outcomes.

Best,
Wolfgang