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-rw-r--r--Doc/lib/libstring.tex6
1 files changed, 6 insertions, 0 deletions
diff --git a/Doc/lib/libstring.tex b/Doc/lib/libstring.tex
index 99bb5ee..1f1a89e 100644
--- a/Doc/lib/libstring.tex
+++ b/Doc/lib/libstring.tex
@@ -243,6 +243,8 @@ Return a copy of the string with leading characters removed. If
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[The \var{chars} parameter was added. The \var{chars}
+parameter cannot be passed in earlier 2.2 versions]{2.2.3}
\end{funcdesc}
\begin{funcdesc}{rstrip}{s\optional{, chars}}
@@ -251,6 +253,8 @@ Return a copy of the string with trailing characters removed. If
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[The \var{chars} parameter was added. The \var{chars}
+parameter cannot be passed in 2.2 versions]{2.2.3}
\end{funcdesc}
\begin{funcdesc}{strip}{s\optional{, chars}}
@@ -259,6 +263,8 @@ removed. If \var{chars} is omitted or \code{None}, whitespace
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[The \var{chars} parameter was added. The \var{chars}
+parameter cannot be passed in 2.2 or 2.2.1]{2.2.2}
\end{funcdesc}
\begin{funcdesc}{swapcase}{s}