Fix up a few style nits -- avoid "e.g." and "i.e." -- these make
translation more difficult, as well as reading the English more
difficult for non-native speakers.
diff --git a/Doc/lib/libzipfile.tex b/Doc/lib/libzipfile.tex
index 9f0930f..af8ebe8 100644
--- a/Doc/lib/libzipfile.tex
+++ b/Doc/lib/libzipfile.tex
@@ -79,7 +79,7 @@
\begin{classdesc}{ZipFile}{file\optional{, mode\optional{, compression}}}
Open a ZIP file, where \var{file} can be either a path to a file
- (i.e. a string) or a file-like object. The \var{mode} parameter
+ (a string) or a file-like object. The \var{mode} parameter
should be \code{'r'} to read an existing file, \code{'w'} to
truncate and write a new file, or \code{'a'} to append to an
existing file. For \var{mode} is \code{'a'} and \var{file}