[lex.phases] Use preprocessing token consistently

source/lex.tex

@@ -169,19 +169,19 @@
 All preprocessing directives are then deleted.
 
 \item
-For a sequence of two or more adjacent \grammarterm{string-literal} tokens,
+For a sequence of two or more adjacent \grammarterm{string-literal} preprocessing tokens,
 a common \grammarterm{encoding-prefix} is determined
 as specified in \ref{lex.string}.
-Each such \grammarterm{string-literal} token is then considered to have
+Each such \grammarterm{string-literal} preprocessing token is then considered to have
 that common \grammarterm{encoding-prefix}.
 
 \item
-Adjacent \grammarterm{string-literal} tokens are concatenated\iref{lex.string}.
+Adjacent \grammarterm{string-literal} preprocessing tokens are concatenated\iref{lex.string}.
 
-\item Whitespace characters separating tokens are no longer
-significant. Each preprocessing token is converted into a
-token\iref{lex.token}. The resulting tokens
-constitute a \defn{translation unit} and
+\item
+Each preprocessing token is converted into a token\iref{lex.token}.
+Whitespace characters separating tokens are no longer significant.
+The resulting tokens constitute a \defn{translation unit} and
 are syntactically and
 semantically analyzed and translated.
 \begin{note}