proxy_set_header inheritance not working?

[Ed W]

Hi

> Quoting has nothing to do with variable expansion.  Variable expansion 
> happens unconditionally if it's supported for particular parameter.  
> This is usually documented on per-directive basis.
>
> Please note: quoting supported for directive arguments, but not for 
> complex entities within them.  E.g. the following won't work:

Is it possible to request variable expansion for log file location? (ie 
easily make it a function of server name).

Ed W