/* doc */
"Create barlines. This engraver is controlled through the"
" @code{whichBar} property. If it has no bar line to create,"
- " it will forbid a linebreak at this point.",
+ " it will forbid a linebreak at this point. This engraver"
+ " is required to trigger the creation of clefs at the start"
+ " of systems.",
/* create */
"BarLine ",