Re: Variable-width font indentation

[Dmitry Gutov]

On 3/5/18 9:49 PM, Paul Eggert wrote:
> On 03/05/2018 11:32 AM, address@hidden wrote:
> > 1: void foo(int a,
> > 2:          int b)
> > 3: {
> > 4:  ...
> >
> > How is any generic indentation system supposed to know that the "i" on
> > line 2 is supposed to line up with the "i" on line 1?
>
> It assumes the input is fixed-width, and that leading white space is 
> intended to indent with respect to previous lines. Although it'd be some 
> work to get Emacs to do this, I don't offhand see any algorithmic 
> problem here.

If the way whitespace at bol is rendered depends on indentation code, 
will the mean that while scrolling a buffer the display engine will have 
to call indentation code?