%YAML 1.2 --- define: &root "$PYSSG_HOME/pyssg/site_example/" title: "Example site" path: src: !join [*root, "src"] dst: !join [*root, "dst"] plt: !join [*root, "plt"] db: !join [*root, ".files"] url: main: "https://example.com" fmt: date: "%a, %b %d, %Y @ %H:%M %Z" dirs: /: cfg: plt: "page.html" tags: False index: False rss: False sitemap: False ... --- define: &root "$PYSSG_HOME/pyssg/site_example/" title: "Example site" path: src: !join [*root, "src"] dst: !join [*root, "dst"] plt: !join [*root, "plt"] db: !join [*root, ".files"] url: main: "https://example.com" fmt: date: "%a, %b %d, %Y @ %H:%M %Z" dirs: # just removing all paths as it will cause an error ...