<textobject>
<programlisting language="lilypond" role="fragment verbatim staffsize=16 ragged-right relative=2">
\context Staff \with @{
- \remove Time_signature_engraver
- \remove Clef_engraver@}
+ \remove "Time_signature_engraver"
+ \remove "Clef_engraver"@}
@{ c4( fis) @}
</programlisting>
</textobject>