Hi Mike!

On So, 21 Jul 2013, Mike Williams wrote:

> On 20/07/2013 10:13, LCD 47 wrote:
> >     I believe this can be fixed with a counter that means something
> >along the lines of: "this line is longer than &tw, and it has no
> >breaking point for the first X characters".  Then X would be updated
> >every time more text is appended to that line.

Are you going to create a patch for that?

> Yup to all that.  And there is another O(n^2) operation is getvcol()
> rescanning the line after each insert.

Not only that, but getvcol() is called twice from the edit() function. 
Once from validate_cursor_col() at line 695 and once from 
validate_cursor() at line 725. It seems like that either one of those 
calls could be saved.

regards,
Christian
-- 
Wie man sein Kind nicht nennen sollte: 
  Hans Dampf 

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