updated to document use of sequences of two-element tuples as inputs
diff --git a/Doc/lib/liburllib.tex b/Doc/lib/liburllib.tex
index efceb8a..1c43b47 100644
--- a/Doc/lib/liburllib.tex
+++ b/Doc/lib/liburllib.tex
@@ -143,8 +143,9 @@
required for unquoting HTML form values.
\end{funcdesc}
-\begin{funcdesc}{urlencode}{dict\optional{, doseq}}
-Convert a dictionary to a ``url-encoded'' string, suitable to pass to
+\begin{funcdesc}{urlencode}{query\optional{, doseq}}
+Convert a mapping object or a sequence of two-element tuples to a
+``url-encoded'' string, suitable to pass to
\function{urlopen()} above as the optional \var{data} argument. This
is useful to pass a dictionary of form fields to a \code{POST}
request. The resulting string is a series of
@@ -153,6 +154,10 @@
\function{quote_plus()} above. If the optional parameter \var{doseq} is
present and evaluates to true, individual \code{\var{key}=\var{value}} pairs
are generated for each element of the sequence.
+When a sequence of two-element tuples is used as the \var{query} argument,
+the first element of each tuple is a key and the second is a value. The
+order of parameters in the encoded string will match the order of parameter
+tuples in the sequence.
\end{funcdesc}
The public functions \function{urlopen()} and