some more words of explanation.

[lilypond.git] / lily / ledger-line-spanner.cc

diff --git a/lily/ledger-line-spanner.cc b/lily/ledger-line-spanner.cc
index 53da1d9463cd4219c36270a592edf2078c8cef88..bc8a68eeebb25c920e561784b85557c7b90bbf3d 100644 (file)
--- a/lily/ledger-line-spanner.cc
+++ b/lily/ledger-line-spanner.cc
@@ -342,7 +342,11 @@ Ledger_line_spanner::print (SCM smob)
 
 ADD_INTERFACE (Ledger_line_spanner,
               "ledger-line-interface",
-              "This spanner draws the ledger lines of a staff, for note heads that stick out. ",
+              
+              "This spanner draws the ledger lines of a staff.\n"
+              "This is a separate grob to because it has to process\n"
+              "all potential collisions between all note heads.",
+              
               "note-heads thickness minimum-length-fraction length-fraction gap");
 
 struct Ledgered_interface
@@ -352,5 +356,8 @@ struct Ledgered_interface
 
 ADD_INTERFACE (Ledgered_interface,
               "ledgered-interface",
-              "Objects that need ledger lines.",
+              
+              "Objects that need ledger lines, typically "
+              "note heads. See also @ref{ledger-line-interface}.",
+              
               "no-ledgers");