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#!/usr/bin/env python3
"""Simple wrapper for filter programs which ensures that a blank
is returned as output. The purpose is to silence the
AsciiDoc warning "no output from filter".
"""
import sys, subprocess
p = subprocess.Popen(sys.argv[1:])
sys.stdout.write(' ') # To suppress asciidoc 'no output from filter' warnings.
sys.exit(p.wait())
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