[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit 7312fe13a454e81b167c83d85d1e6dab33777906
Author: Andrew Cagney <cagney at gnu.org>
Date:   Tue Dec 19 11:46:39 2023 -0500

    documentation: more README.md tweaks
    
    apparently code examples need two or four spaces