-@c @lilypondfile[verbatim,lilyquote,texidoc,doctitle]
-@c {adding-bars-to-chordnames.ly)
-
-@c @lilypondfile[verbatim,lilyquote,texidoc,doctitle]
-@c {volta-brackets-over-chord-names.ly}
-
-@c TODO convert to snippet
-@c @lilypondfile[verbatim,lilyquote,texidoc,doctitle]
-@c {changing-chord-separator.ly}
+@lilypondfile[verbatim,lilyquote,texidoc,doctitle]
+{adding-bar-lines-to-chordnames-context.ly}