Re: move-to-column inconsistent with invisible text

[martin rudalics]

> Consider the following example:
>
> (progn
>   (insert "1234567890")
>   (let ((overlay (make-overlay (+ (point-at-bol) 2) (+ (point-at-bol) 4))))
>     (overlay-put overlay 'invisible t)
>     (let ((point-a (save-excursion (beginning-of-line)
>                                    (move-to-column 6)
>                                    (point)))
>           (point-b (save-excursion (end-of-line)
>                                    (move-to-column 6)
>                                    (point))))
>       (delete-overlay overlay)
>       (message "%d %d" point-a point-b))))
>
> point-a and point-b should be equal, but they are not.

Could you please try the attached patch.

*** indent.c.~1.191.~   Mon Apr  2 07:45:22 2007
--- indent.c    Thu Apr  5 11:28:08 2007
***************
*** 951,957 ****
    pos = PT;
    pos_byte = PT_BYTE;
    end = ZV;
-   next_boundary = pos;

    /* If we're starting past the desired column,
       back up to beginning of line and scan from there.  */
--- 951,956 ----
***************
*** 963,968 ****
--- 962,969 ----
        col = 0;
      }

+   next_boundary = pos;
+ 
    while (pos < end)
      {
        while (pos == next_boundary)