|the thing to write to. This can be an output stream, |
|the template string. It might be a primitive string, or it might contain tilde-prefixed command directives that specify, and somehow transform additional arguments.|
|potential additional arguments required by the given |
The CLHS documentation for
FORMAT directives can be found in Section 22.3. With SLIME, you can type
C-c C-d ~ to look up the CLHS documentation for a specific format directive.