If you open line management with the buttons on the convoy info (or halt details), bt_change_line doesn't get enabled.
This patch fix this. Now, all the button enable/disable stuff is done in update_lineinfo (this was maybe already the case in versions without these line links).
tu-chemnitz.de/~gerw/patches/schedule_list_buttons.patch (http://tu-chemnitz.de/~gerw/patches/schedule_list_buttons.patch)
what is the status of this patch? I guess 'incorporated' but who knows ;)
Patch it and patch will tell ...
There is no patch anymore.
He's incorporated. I only delete the patches on my homepage, which are incorporated.