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-\declaremodule{standard}{email.utils}
-\modulesynopsis{Miscellaneous email package utilities.}
-
-There are several useful utilities provided in the \module{email.utils}
-module:
-
-\begin{funcdesc}{quote}{str}
-Return a new string with backslashes in \var{str} replaced by two
-backslashes, and double quotes replaced by backslash-double quote.
-\end{funcdesc}
-
-\begin{funcdesc}{unquote}{str}
-Return a new string which is an \emph{unquoted} version of \var{str}.
-If \var{str} ends and begins with double quotes, they are stripped
-off.  Likewise if \var{str} ends and begins with angle brackets, they
-are stripped off.
-\end{funcdesc}
-
-\begin{funcdesc}{parseaddr}{address}
-Parse address -- which should be the value of some address-containing
-field such as \mailheader{To} or \mailheader{Cc} -- into its constituent
-\emph{realname} and \emph{email address} parts.  Returns a tuple of that
-information, unless the parse fails, in which case a 2-tuple of
-\code{('', '')} is returned.
-\end{funcdesc}
-
-\begin{funcdesc}{formataddr}{pair}
-The inverse of \method{parseaddr()}, this takes a 2-tuple of the form
-\code{(realname, email_address)} and returns the string value suitable
-for a \mailheader{To} or \mailheader{Cc} header.  If the first element of
-\var{pair} is false, then the second element is returned unmodified.
-\end{funcdesc}
-
-\begin{funcdesc}{getaddresses}{fieldvalues}
-This method returns a list of 2-tuples of the form returned by
-\code{parseaddr()}.  \var{fieldvalues} is a sequence of header field
-values as might be returned by \method{Message.get_all()}.  Here's a
-simple example that gets all the recipients of a message:
-
-\begin{verbatim}
-from email.utils import getaddresses
-
-tos = msg.get_all('to', [])
-ccs = msg.get_all('cc', [])
-resent_tos = msg.get_all('resent-to', [])
-resent_ccs = msg.get_all('resent-cc', [])
-all_recipients = getaddresses(tos + ccs + resent_tos + resent_ccs)
-\end{verbatim}
-\end{funcdesc}
-
-\begin{funcdesc}{parsedate}{date}
-Attempts to parse a date according to the rules in \rfc{2822}.
-however, some mailers don't follow that format as specified, so
-\function{parsedate()} tries to guess correctly in such cases. 
-\var{date} is a string containing an \rfc{2822} date, such as 
-\code{"Mon, 20 Nov 1995 19:12:08 -0500"}.  If it succeeds in parsing
-the date, \function{parsedate()} returns a 9-tuple that can be passed
-directly to \function{time.mktime()}; otherwise \code{None} will be
-returned.  Note that indexes 6, 7, and 8 of the result tuple are not
-usable.
-\end{funcdesc}
-
-\begin{funcdesc}{parsedate_tz}{date}
-Performs the same function as \function{parsedate()}, but returns
-either \code{None} or a 10-tuple; the first 9 elements make up a tuple
-that can be passed directly to \function{time.mktime()}, and the tenth
-is the offset of the date's timezone from UTC (which is the official
-term for Greenwich Mean Time)\footnote{Note that the sign of the timezone
-offset is the opposite of the sign of the \code{time.timezone}
-variable for the same timezone; the latter variable follows the
-\POSIX{} standard while this module follows \rfc{2822}.}.  If the input
-string has no timezone, the last element of the tuple returned is
-\code{None}.  Note that indexes 6, 7, and 8 of the result tuple are not
-usable.
-\end{funcdesc}
-
-\begin{funcdesc}{mktime_tz}{tuple}
-Turn a 10-tuple as returned by \function{parsedate_tz()} into a UTC
-timestamp.  It the timezone item in the tuple is \code{None}, assume
-local time.  Minor deficiency: \function{mktime_tz()} interprets the
-first 8 elements of \var{tuple} as a local time and then compensates
-for the timezone difference.  This may yield a slight error around
-changes in daylight savings time, though not worth worrying about for
-common use.
-\end{funcdesc}
-
-\begin{funcdesc}{formatdate}{\optional{timeval\optional{, localtime}\optional{, usegmt}}}
-Returns a date string as per \rfc{2822}, e.g.:
-
-\begin{verbatim}
-Fri, 09 Nov 2001 01:08:47 -0000
-\end{verbatim}
-
-Optional \var{timeval} if given is a floating point time value as
-accepted by \function{time.gmtime()} and \function{time.localtime()},
-otherwise the current time is used.
-
-Optional \var{localtime} is a flag that when \code{True}, interprets
-\var{timeval}, and returns a date relative to the local timezone
-instead of UTC, properly taking daylight savings time into account.
-The default is \code{False} meaning UTC is used.
-
-Optional \var{usegmt} is a flag that when \code{True}, outputs a 
-date string with the timezone as an ascii string \code{GMT}, rather
-than a numeric \code{-0000}. This is needed for some protocols (such
-as HTTP). This only applies when \var{localtime} is \code{False}.
-\versionadded{2.4}
-\end{funcdesc}
-
-\begin{funcdesc}{make_msgid}{\optional{idstring}}
-Returns a string suitable for an \rfc{2822}-compliant
-\mailheader{Message-ID} header.  Optional \var{idstring} if given, is
-a string used to strengthen the uniqueness of the message id.
-\end{funcdesc}
-
-\begin{funcdesc}{decode_rfc2231}{s}
-Decode the string \var{s} according to \rfc{2231}.
-\end{funcdesc}
-
-\begin{funcdesc}{encode_rfc2231}{s\optional{, charset\optional{, language}}}
-Encode the string \var{s} according to \rfc{2231}.  Optional
-\var{charset} and \var{language}, if given is the character set name
-and language name to use.  If neither is given, \var{s} is returned
-as-is.  If \var{charset} is given but \var{language} is not, the
-string is encoded using the empty string for \var{language}.
-\end{funcdesc}
-
-\begin{funcdesc}{collapse_rfc2231_value}{value\optional{, errors\optional{,
-    fallback_charset}}}
-When a header parameter is encoded in \rfc{2231} format,
-\method{Message.get_param()} may return a 3-tuple containing the character
-set, language, and value.  \function{collapse_rfc2231_value()} turns this into
-a unicode string.  Optional \var{errors} is passed to the \var{errors}
-argument of the built-in \function{unicode()} function; it defaults to
-\code{replace}.  Optional \var{fallback_charset} specifies the character set
-to use if the one in the \rfc{2231} header is not known by Python; it defaults
-to \code{us-ascii}.
-
-For convenience, if the \var{value} passed to
-\function{collapse_rfc2231_value()} is not a tuple, it should be a string and
-it is returned unquoted.
-\end{funcdesc}
-
-\begin{funcdesc}{decode_params}{params}
-Decode parameters list according to \rfc{2231}.  \var{params} is a
-sequence of 2-tuples containing elements of the form
-\code{(content-type, string-value)}.
-\end{funcdesc}
-
-\versionchanged[The \function{dump_address_pair()} function has been removed;
-use \function{formataddr()} instead]{2.4}
-
-\versionchanged[The \function{decode()} function has been removed; use the
-\method{Header.decode_header()} method instead]{2.4}
-
-\versionchanged[The \function{encode()} function has been removed; use the
-\method{Header.encode()} method instead]{2.4}