> Weeble added the comment:
>
> In summary, Tk 8.5 changed the name of the "anchor" mark to be unique to
> each Text widget. The code to make the home key toggle between column 0
> and the start of the text tries to make use of the "anchor" mark and
> gets confused.
>
> In the email I proposed a simple fix which I'm testing out right now.
> Should I attach it as a patch?
>

I see your simple fix depends on a unsupported proc provided by tk,
how good is to depend on it ?
And I don't think that is backwards compatible till tk 8.2, is it ?