The doc is erroneous -- you have to add (use ports) after (use args).
Jim

On Aug 28, 2013, at 10:20 AM, Matthew Phillips <matt...@phillipsoft.biz> wrote:

> Im playing with this egg example:  http://wiki.call-cc.org/eggref/4/args. It 
> compiles fine, but when I run it with the -h flag I get this strange error:
> 
>                  Error: unbound variable: with-output-to-port
> 
> However if I load it from csi it works fine... and from csi i can clearly see 
> that with-output-to-port exists. So I am thinking that in compiling it the 
> reference is lost somehow. 
> 
> From the documentation on unit ports: 
> http://wiki.call-cc.org/man/4/Unit%20ports it says: 
> 
>      This unit contains various extended port definitions. This unit is used 
> by default, unless the program is compiled with the -explicit-use option.
> 
> I am not passing that option, or any option. Any idea on what is going on 
> here?
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