@end ignore
+@item
+A new @code{output-attributes} grob property is now used for svg output
+instead of the @code{id} grob property. It allows multiple attributes
+to be defined as an association list. For example, @code{#'((id . 123)
+(class . foo) (data-whatever . @qq{bar}))} will produce the following
+group tag in an SVG file: @code{<g id=@qq{123} class=@qq{foo}
+data-whatever=@qq{bar}> @dots{} </g>}.
+
@item
Slurs and phrasing slurs may now be started from individual notes
in a chord. Several simultanous slurs per @code{Voice} need to be