Fix minor markup nits.
diff --git a/Doc/ref/ref6.tex b/Doc/ref/ref6.tex
index 4cf30ff..13b1c71 100644
--- a/Doc/ref/ref6.tex
+++ b/Doc/ref/ref6.tex
@@ -657,7 +657,7 @@
expression should evaluate to either a string, an open file object, or
a code object. If it is a string, the string is parsed as a suite of
Python statements which is then executed (unless a syntax error
-occurs). If it is an open file, the file is parsed until EOF and
+occurs). If it is an open file, the file is parsed until \EOF{} and
executed. If it is a code object, it is simply executed.
In all cases, if the optional parts are omitted, the code is executed
diff --git a/Doc/ref/ref7.tex b/Doc/ref/ref7.tex
index 64d3621..e43faec 100644
--- a/Doc/ref/ref7.tex
+++ b/Doc/ref/ref7.tex
@@ -113,7 +113,7 @@
\indexii{loop}{statement}
The \keyword{for} statement is used to iterate over the elements of a
-sequence (string, tuple or list):
+sequence (such as a string, tuple or list) or other iterable object:
\obindex{sequence}
\begin{verbatim}
@@ -353,10 +353,6 @@
dictionary receiving any excess keyword arguments, defaulting to a
new empty dictionary.
-
-
-
-
It is also possible to create anonymous functions (functions not bound
to a name), for immediate use in expressions. This uses lambda forms,
described in section \ref{lambda}. Note that the lambda form is