Patch #698833: Support file decryption in zipfile.
diff --git a/Doc/lib/libzipfile.tex b/Doc/lib/libzipfile.tex
index 3d81e50..d3fca64 100644
--- a/Doc/lib/libzipfile.tex
+++ b/Doc/lib/libzipfile.tex
@@ -17,8 +17,10 @@
 {PKZIP Application Note}.
 
 This module does not currently handle ZIP files which have appended
-comments, or multi-disk ZIP files. It can handle ZIP files that use the 
-ZIP64 extensions (that is ZIP files that are more than 4 GByte in size).
+comments, or multi-disk ZIP files. It can handle ZIP files that use
+the ZIP64 extensions (that is ZIP files that are more than 4 GByte in
+size).  It supports decryption of encrypted files in ZIP archives, but
+it cannot currently create an encrypted file.  
 
 The available attributes of this module are:
 
@@ -138,9 +140,18 @@
   Print a table of contents for the archive to \code{sys.stdout}.
 \end{methoddesc}
 
-\begin{methoddesc}{read}{name}
+\begin{methoddesc}{setpassword}{pwd}
+  Set \var{pwd} as default password to extract encrypted files.
+  \versionadded{2.6}
+\end{methoddesc}
+
+\begin{methoddesc}{read}{name\optional{, pwd}}
   Return the bytes of the file in the archive.  The archive must be
-  open for read or append.
+  open for read or append. \var{pwd} is the password used for encrypted 
+  files and, if specified, it will override the default password set with
+  \method{setpassword()}.
+
+  \versionchanged[\var{pwd} was added]{2.6}
 \end{methoddesc}
 
 \begin{methoddesc}{testzip}{}