Viewing file:  legacy_em.py (952 B) -rw-r--r--
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'''
Legacy Em Extension for Python-Markdown
=======================================
This extention provides legacy behavior for _connected_words_.
Copyright 2015-2018 The Python Markdown Project
License: [BSD](http://www.opensource.org/licenses/bsd-license.php)
'''
from __future__ import absolute_import
from __future__ import unicode_literals
from . import Extension
from ..inlinepatterns import SimpleTagInlineProcessor
EMPHASIS_RE = r'(\*|_)(.+?)\1'
STRONG_RE = r'(\*{2}|_{2})(.+?)\1'
class LegacyEmExtension(Extension):
""" Add legacy_em extension to Markdown class."""
def extendMarkdown(self, md):
""" Modify inline patterns. """
md.inlinePatterns.register(SimpleTagInlineProcessor(STRONG_RE, 'strong'), 'strong', 40)
md.inlinePatterns.register(SimpleTagInlineProcessor(EMPHASIS_RE, 'em'), 'emphasis', 30)
md.inlinePatterns.deregister('strong2')
md.inlinePatterns.deregister('emphasis2')
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