Re: printing "a 2" at the beginning of staves automatically

[Werner LEMBERG]

> Basically, it works great, but there are two problems (tested with
> 2.23.9).
> 
> * It doesn't print 'a 2' at the very beginning.
> 
> * Contrary to `\mark`, the 'a 2' should always be horizontally
>   aligned to a note column and not to prefatory matter like time or
>   key signatures.

And I've just found a third, serious problem:

* Broken ties disappear.  The attached image shows the previous
  example with an inserted tie, with and without all annotations
  removed.


    Werner