Grapheme clusters, a.k.a.real characters

[Random832]

On Fri, Jul 14, 2017, at 04:15, Marko Rauhamaa wrote:
>  Consider, for example, a Python source code
> editor where you want to limit the length of the line based on the
> number of characters more typically than based on the number of pixels.

Even there you need to go based on the width in character cells. Most
characters for East Asian languages occupy two character cells.

It would be nice if there was an easy way to get str.format to use this
width instead of the length in code points for the purpose of padding.