Info from NEWS.

diff --git a/Documentation/user/advanced-notation.itely b/Documentation/user/advanced-notation.itely
index 0d91a8ecf78a5d94a65b70d2f71d110296b238ae..ad05abff27afb49a2a901632efe8f90c08fc4ffe 100644 (file)
--- a/Documentation/user/advanced-notation.itely
+++ b/Documentation/user/advanced-notation.itely
@@ -2120,6 +2120,7 @@ teaching tools in addition to great musical scores.
 * Analysis brackets::           
 * Coloring objects::            
 * Parentheses::                 
+* Grid lines::                  
 @end menu
 
 @node Balloon help
@@ -2413,3 +2414,11 @@ This only functions inside chords, even for single notes
 @end example
 
 
+@node Grid lines
+@subsection Grid lines
+
+Vertical lines can be drawn between staves synchronized with
+the notes.
+
+Examples: @inputfileref{input/@/regression,grid@/-lines@/.ly}.
+

diff --git a/Documentation/user/basic-notation.itely b/Documentation/user/basic-notation.itely
index e488f6926996b069a836603eab5dc5ae2c403aed..342fe01ae708f0f26e5f9670f50e34c3ea602269 100644 (file)
--- a/Documentation/user/basic-notation.itely
+++ b/Documentation/user/basic-notation.itely
@@ -1746,6 +1746,24 @@ in every context, and that type is determined by the property
 @internalsref{systemStartDelimiter}.
 
 
+@commonprop
+
+System start delimiters may be deeply nested,
+
+@lilypond[quote,ragged-right,verbatim]
+\new StaffGroup 
+\relative <<
+  \set StaffGroup.systemStartDelimiterHierarchy
+    = #'(SystemStartSquare (SystemStartBracket a (SystemStartSquare b)) d)
+  \new Staff { c1 }
+  \new Staff { c1 }
+  \new Staff { c1 }
+  \new Staff { c1 }
+  \new Staff { c1 }
+>>
+@end lilypond
+
+
 @node Staff symbol
 @subsection Staff symbol