Add ref to paper size appendix from NR 4.1.2 Paper Size and Automatic spacing

diff --git a/Documentation/notation/spacing.itely b/Documentation/notation/spacing.itely
index 68208d201092204f0a9173f20d3467816fcdea77..05509f51f0e211cccd8bef1b95ea35701cff088b 100644 (file)
--- a/Documentation/notation/spacing.itely
+++ b/Documentation/notation/spacing.itely
@@ -233,7 +233,8 @@ placed @emph{before} any other functions used within the same
 
 Paper sizes are defined in @file{scm/paper.scm}, and while it is
 possible to add custom sizes, they will be overwritten on subsequent
-software updates.
+software updates.  The available paper sizes are listed in
+@ref{Predefined paper sizes}.
 
 @c An appendix entry exists for paper sizes but is not auto-generated
 
@@ -268,7 +269,8 @@ The music output will @emph{not} be rotated, just the paper size.
 
 @seealso
 Notation Reference:
-@ref{Automatic scaling to paper size}.
+@ref{Automatic scaling to paper size},
+@ref{Predefined paper sizes}.
 
 Installed Files:
 @file{scm/paper.scm}.