??????????????
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php:4) in <b>/home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php</b> on line <b>173</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php:4) in <b>/home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php</b> on line <b>174</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php:4) in <b>/home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php</b> on line <b>175</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php:4) in <b>/home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php</b> on line <b>176</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php:4) in <b>/home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php</b> on line <b>177</b><br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php:4) in <b>/home/mybf1/public_html/class.bf1.my/wp-includes/js/dist/index.php</b> on line <b>178</b><br />
#!/usr/bin/python -u
import libxml2
import sys

# Memory debug specific
libxml2.debugMemory(1)

dtd="""<!ELEMENT foo EMPTY>"""
instance="""<?xml version="1.0"?>
<foo></foo>"""

dtd = libxml2.parseDTD(None, 'test.dtd')
ctxt = libxml2.newValidCtxt()
doc = libxml2.parseDoc(instance)
ret = doc.validateDtd(ctxt, dtd)
if ret != 1:
    print("error doing DTD validation")
    sys.exit(1)

doc.freeDoc()
dtd.freeDtd()
del dtd
del ctxt

# Memory debug specific
libxml2.cleanupParser()
if libxml2.debugMemory(1) == 0:
    print("OK")
else:
    print("Memory leak %d bytes" % (libxml2.debugMemory(1)))
    libxml2.dumpMemory()