Add the ability to include page titles in HTML title element

config.toml

@@ -78,3 +78,14 @@ use_full_hack_font = false
 #           in your site's "static" directory.
 # favicon = "/favicon.png"
 # favicon_mimetype = "image/png"
+
+# Optional: Set how <title> elements are rendered.
+# Values:
+# - "main_only" -- only the main title (`config.title`) is rendered.
+# - "page_only" -- only the page title (if defined) is rendered,
+#                  falling back to `config.title` if not defined or empty.
+# - "combined" -- combine like so: "page_title | main_title",
+#                 or if page_title is not defined or empty, fall back to `main_title`
+#
+# Note that the main (index) page only has the main title.
+page_titles = "main_only"