| \section{\module{__main__} --- | |
| Top-level script environment.} | |
| \declaremodule[main]{builtin}{__main__} | |
| \modulesynopsis{The environment where the top-level script is run.} | |
| This module represents the (otherwise anonymous) scope in which the | |
| interpreter's main program executes --- commands read either from | |
| standard input or from a script file. |