このテキストの形式は何と言うのだろう？

PEARのLogのドキュメントguide.txtのような形式は、何なんだろう？何か別の形式からの自動変換なのだろうか。
ちゃんと規約とかあるのだろうか。見やすいし、自動で他形式に変換とかもしやすいかも知れない。

=================
 The Log Package
=================






































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 User Documentation





































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:Author:        Jon Parise
:Contact:       jon@php.net
:Date:          $Date: 2004/01/31 21:48:16 $
:Revision:      $Revision: 1.10 $

.. contents:: Contents
.. section-numbering::

Using Log Handlers
==================

The Log package is implemented as a framework that supports the notion of
backend-specific log handlers.  The base logging object (defined by the `Log
class`_) is primarily an abstract interface to the currently configured
handler.

A wide variety of handlers are distributed with the Log package, and, should
none of them fit your application's needs, it's easy to `write your own`__.

.. _Log class: http://cvs.php.net/co.php/pear/Log/Log.php
__ `Custom Handlers`_

Creating a Log Object







































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There are three ways to create Log objects:

    - Using the ``Log::factory()`` method
    - Using the ``Log::singleton()`` method
    - Direct instantiation

The Factory Method
~~~~~~~~~~~~~~~~~~
The ``Log::factory()`` method implements the `Factory Pattern`_.  It allows