fix typo and join two paragraphs

freddrake · freddrake · commit 1f84ed0d8a1f · 2003-12-11T19:45:53.000Z
diff --git a/Doc/ref/ref4.tex b/Doc/ref/ref4.tex
@@ -80,8 +80,7 @@ \section{Naming and binding \label{naming}}
 uses of the name within the block are treated as references to the
 current block.  This can lead to errors when a name is used within a
 block before it is bound.
-
-The previous rule is a subtle.  Python lacks declarations and allows
+This rule is subtle.  Python lacks declarations and allows
 name binding operations to occur anywhere within a code block.  The
 local variables of a code block can be determined by scanning the
 entire text of the block for name binding operations.
