Why is tcl broken?

[Hartmann Schaffer]

In article <3760FA1F.7BCD at mailserver.hursley.ibm.com>,
	Paul Duffin <pduffin at mailserver.hursley.ibm.com> writes:
> ...
> "Call by name" has some very particular characteristics the main one
> being that you cannot implement "swap". I can assure you that you can

This is news to me.  Afair, "call-by-name" was the term for the Algol60
style parameter mechanism, which essentially required each argument
passed by a parameterless function returning a pointer to the passed
value.  Parameter swapping  (and a few pretty usually pointless tricks
like "Jensen's device"(?)) were quite possible.

> ...

Hartmann Schaffer