add versionadded to doc
diff --git a/Doc/lib/libimaplib.tex b/Doc/lib/libimaplib.tex
index b710ce7..ba7667e 100644
--- a/Doc/lib/libimaplib.tex
+++ b/Doc/lib/libimaplib.tex
@@ -177,11 +177,13 @@
\begin{methoddesc}{getquota}{root}
Get the \samp{quota} \var{root}'s resource usage and limits.
This method is part of the IMAP4 QUOTA extension defined in rfc2087.
+\versionadded{2.3}
\end{methoddesc}
\begin{methoddesc}{getquotaroot}{mailbox}
Get the list of \samp{quota} \samp{roots} for the named \var{mailbox}.
This method is part of the IMAP4 QUOTA extension defined in rfc2087.
+\versionadded{2.3}
\end{methoddesc}
\begin{methoddesc}{list}{\optional{directory\optional{, pattern}}}
@@ -286,6 +288,7 @@
\begin{methoddesc}{setquota}{root, limits}
Set the \samp{quota} \var{root}'s resource \var{limits}.
This method is part of the IMAP4 QUOTA extension defined in rfc2087.
+\versionadded{2.3}
\end{methoddesc}
\begin{methoddesc}{shutdown}{}