Better note that str.zfill() was added in 2.2.2 as well. ;-(

diff --git a/Doc/lib/libstdtypes.tex b/Doc/lib/libstdtypes.tex
index 355266c9f6e4f1e2a745b9710c3bc4cf993b7f06..eb12aa7f44f8f4f402eea72438787d0dc096fd4c 100644 (file)
--- a/Doc/lib/libstdtypes.tex
+++ b/Doc/lib/libstdtypes.tex
@@ -723,6 +723,7 @@ Return a copy of the string converted to uppercase.
 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}