@code{\paper} block is inside a @code{\book}, then the paper size will only
apply to that book.
-The following paper sizes are supported: @code{a6}, @code{a5}, @code{a4},
-@code{a3}, @code{legal}, @code{letter}, @code{tabloid}.
+Support for the following paper sizes are included by default,
+@code{a6}, @code{a5}, @code{a4}, @code{a3}, @code{legal}, @code{letter},
+@code{11x17} (also known as tabloid).
+
+Extra sizes may be added by editing the definition for
+@code{paper-alist} in the initialization file @file{scm/paper.scm}.
@cindex orientation
@cindex landscape
Increasing this will put systems whose bounding boxes almost touch
farther apart.
+
@cindex @code{horizontalshift}
@item horizontalshift
All systems (including titles and system separators) are shifted by
Some examples are found in the example file
@inputfileref{input/regression/,page-spacing.ly}.
+When setting @code{annotatespacing} in the @code{\paper} block LilyPond
+will graphically indicate the dimensions of properties that may be set
+for page spacing,
+
+@lilypond[verbatim]
+#(set-default-paper-size "a6")
+\paper { annotatespacing = ##t }
+{ c4 }
+@end lilypond
+
+
@seealso