ADD_INTERFACE (Ledger_line_spanner,
"This spanner draws the ledger lines of a staff. This is a"
" separate grob because it has to process all potential"
- " collisions between all note heads.",
+ " collisions between all note heads. The thickness of ledger"
+ " lines is controlled by the @code{ledger-line-thickness}"
+ " property of the @ref{StaffSymbol} grob.",
/* properties */
"gap "
"length-fraction "
"minimum-length-fraction "
"note-heads "
- "thickness "
);
struct Ledgered_interface