[Therion] join two scraps to same end of other srap

[Stacho Mudrak]

>   join scrap1 scrap2     #lower end white river (top passage)
>
>   join scrap1 scrap3      #lower end white river  (btm passage)
>
> I find that the second join statement is quietly ignored, it has no effect
> and no warnings nor errors generated.

Well, I do not know why this is the case :( Could you please simplify
it and send me some samples that I can reproduce this problem. Of
course, join command should not be ignored.

Regards, S.