Docs: NR 1.4: Add warning about \relative

diff --git a/Documentation/notation/repeats.itely b/Documentation/notation/repeats.itely
index 689fd36009ae18c245af1c601b8498d24734e62d..967b80912ef7d778bdc71a95836f0bb40f07f190 100644 (file)
--- a/Documentation/notation/repeats.itely
+++ b/Documentation/notation/repeats.itely
@@ -107,6 +107,9 @@ Normal repeats with alternate endings:
 c1
 @end lilypond
 
+@warning{Do not include @code{@bs{}relative} inside a
+@code{@bs{}repeat}.  It will cause unwanted staves to appear.
+See @rlearning{An extra staff appears}.}
 
 @cindex repeat with upbeat
 @cindex upbeat in a repeat