wrong ligatures in ae and ze tt fonts

[Walter Schmidt]

On Sat, 23 Jun 2001 01:33:01 +0200, Uwe Koloska wrote:

>\begin{document}
>{\tt |--| |-|}
>\end{document}
>
>With cm-fonts you get:
>|--| |-|
>
>but ae-fonts give:
>|-| |-|

Note that EC typewriter, too, gives a single dash!

>Are the ae and ze fonts produced with fontinst?  

Yes.  

>If yes, where are the sources? 

CTAN:fonts/ae/src

Any monospaced font installed by fontinst yields the 
same result:  With OT1 encoding, "--" gives "--", 
with T1 it gives "-".

Obviously, fontinst reproduces exactly the questionable
behavior of the "real" CM/EC fonts.  


Walter