general copyright question

[Walter Bright]

Saaa wrote:
>> Often, this means that --help or some option advertised by --help 
>> (like --version or even --license) might spit out the notice.
> 
> But lets asume you would use multiple sources with these kind of licenses.
> spitting out multiple notices is possible althought it would be kind of 
> long.
> Take Derelict; If you spit out the notice for every sourcefile you used that
> would end up being hundreds of lines of notice.
> 
> And how do you make clear that the license isn't the license of your 
> program?
> Because as I understand it: the program using the sourcecode doesn't need
> to have the same license (otherwise commercial use wouldn't be possible)

I agree that can be onerous. I'd ask the copyright holder:

"exactly what string do you want me to output, and under what 
circumstances should it be output?"