Relocate an index entry so named anchors are not generated in a section head.
Closes SF bug #546579.
diff --git a/Doc/ref/ref2.tex b/Doc/ref/ref2.tex
index 6fba7f4..3678f75 100644
--- a/Doc/ref/ref2.tex
+++ b/Doc/ref/ref2.tex
@@ -149,8 +149,9 @@
strings (see below); in that case they cannot carry comments.
-\subsection{Blank lines \index{blank line}\label{blank-lines}}
+\subsection{Blank lines \label{blank-lines}}
+\index{blank line}
A logical line that contains only spaces, tabs, formfeeds and possibly
a comment, is ignored (i.e., no NEWLINE token is generated). During
interactive input of statements, handling of a blank line may differ