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diff --git a/src/mistune/__init__.py b/src/mistune/__init__.py
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+++ b/src/mistune/__init__.py
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+"""
+    mistune
+    ~~~~~~~
+
+    A fast yet powerful Python Markdown parser with renderers and
+    plugins, compatible with sane CommonMark rules.
+
+    Documentation: https://mistune.lepture.com/
+"""
+
+from .markdown import Markdown
+from .core import BlockState, InlineState, BaseRenderer
+from .block_parser import BlockParser
+from .inline_parser import InlineParser
+from .renderers.html import HTMLRenderer
+from .util import escape, escape_url, safe_entity, unikey
+from .plugins import import_plugin
+
+
+def create_markdown(escape=True, hard_wrap=False, renderer='html', plugins=None):
+    """Create a Markdown instance based on the given condition.
+
+    :param escape: Boolean. If using html renderer, escape html.
+    :param hard_wrap: Boolean. Break every new line into ``<br>``.
+    :param renderer: renderer instance, default is HTMLRenderer.
+    :param plugins: List of plugins.
+
+    This method is used when you want to re-use a Markdown instance::
+
+        markdown = create_markdown(
+            escape=False,
+            hard_wrap=True,
+        )
+        # re-use markdown function
+        markdown('.... your text ...')
+    """
+    if renderer == 'html':
+        renderer = HTMLRenderer(escape=escape)
+
+    inline = InlineParser(hard_wrap=hard_wrap)
+    if plugins is not None:
+        plugins = [import_plugin(n) for n in plugins]
+    return Markdown(renderer=renderer, inline=inline, plugins=plugins)
+
+
+html = create_markdown(
+    escape=False,
+    plugins=['strikethrough', 'footnotes', 'table', 'speedup']
+)
+
+
+__cached_parsers = {}
+
+
+def markdown(text, escape=True, renderer='html', plugins=None):
+    key = (escape, renderer, plugins)
+    if key in __cached_parsers:
+        return __cached_parsers[key](text)
+
+    md = create_markdown(escape=escape, renderer=renderer, plugins=plugins)
+    # improve the speed for markdown parser creation
+    __cached_parsers[key] = md
+    return md(text)
+
+
+__all__ = [
+    'Markdown', 'HTMLRenderer',
+    'BlockParser', 'BlockState', 'BaseRenderer',
+    'InlineParser', 'InlineState',
+    'escape', 'escape_url', 'safe_entity', 'unikey',
+    'html', 'create_markdown', 'markdown',
+]
+
+__version__ = '3.0.0rc4'
+__homepage__ = 'https://mistune.lepture.com/'