--- a/Doc/lib/libstdtypes.tex	Fri Nov 15 23:01:37 2002 +0000
+++ b/Doc/lib/libstdtypes.tex	Sat Nov 16 00:45:14 2002 +0000
@@ -623,6 +623,7 @@
 removed.  If given and not \code{None}, \var{chars} must be a string;
 the characters in the string will be stripped from the beginning of
 the string this method is called on.
+\versionchanged[Support for the \var{chars} argument]{2.2.2}
 \end{methoddesc}
 
 \begin{methoddesc}[string]{replace}{old, new\optional{, maxsplit}}
@@ -656,6 +657,7 @@
 removed.  If given and not \code{None}, \var{chars} must be a string;
 the characters in the string will be stripped from the end of the
 string this method is called on.
+\versionchanged[Support for the \var{chars} argument]{2.2.2}
 \end{methoddesc}
 
 \begin{methoddesc}[string]{split}{\optional{sep \optional{,maxsplit}}}
@@ -685,6 +687,7 @@
 characters are removed.  If given and not \code{None}, \var{chars}
 must be a string; the characters in the string will be stripped from
 the both ends of the string this method is called on.
+\versionchanged[Support for the \var{chars} argument]{2.2.2}
 \end{methoddesc}
 
 \begin{methoddesc}[string]{swapcase}{}
@@ -712,6 +715,7 @@
 Return the numeric string left filled with zeros in a string
 of length \var{width}. The original string is returned if
 \var{width} is less than \code{len(\var{s})}.
+\versionadded{2.2.2}
 \end{methoddesc}