Document more detail XML.

[pspp] / detail-xml

diff --git a/detail-xml b/detail-xml
index 3735a657fa61ef8444fb9b985601912a050d736f..9fca90acf4aa118f8f887bd9208810b275b36cc9 100644 (file)
--- a/detail-xml
+++ b/detail-xml
@@ -66,7 +66,7 @@ formatMapping := [id? from] format
 footnotes := [id? superscript variable] footnoteMapping+
 footnoteMapping := [id? from to definesReference]
 
-cross := [id?] nest+
+cross := [id?] nest nest
 nest := [id?] variableReference+
 variableReference := [ref]