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Matt Westcott gasman

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View gfm.py
import re
from hashlib import md5
def gfm(text):
# Extract pre blocks.
extractions = {}
def pre_extraction_callback(matchobj):
digest = md5(matchobj.group(0).encode('utf-8')).hexdigest()
extractions[digest] = matchobj.group(0)
return "{gfm-extraction-%s}" % digest