Document xreadlines() method. (Forgot to check this in before!)
diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex
index 6b3683a..7d65806 100644
--- a/Doc/lib/libstdtypes.tex
+++ b/Doc/lib/libstdtypes.tex
@@ -1112,6 +1112,10 @@
implemented, or cannot be implemented efficiently.
\end{methoddesc}
+\begin{methoddesc}[file]{xreadlines}{}
+ Equivalent to \function{xreadlines.xreadlines(file)}.\refstmodindex{xreadlines}
+\end{methoddesc}
+
\begin{methoddesc}[file]{seek}{offset\optional{, whence}}
Set the file's current position, like \code{stdio}'s \cfunction{fseek()}.
The \var{whence} argument is optional and defaults to \code{0}