from __future__ import print_function, division
from fontTools.misc.py23 import *

class DefaultTable(object):
	
	dependencies = []
	
	def __init__(self, tag):
		self.tableTag = Tag(tag)
	
	def decompile(self, data, ttFont):
		self.data = data
	
	def compile(self, ttFont):
		return self.data
	
	def toXML(self, writer, ttFont):
		if hasattr(self, "ERROR"):
			writer.comment("An error occurred during the decompilation of this table")
			writer.newline()
			writer.comment(self.ERROR)
			writer.newline()
		writer.begintag("hexdata")
		writer.newline()
		writer.dumphex(self.compile(ttFont))
		writer.endtag("hexdata")
		writer.newline()
	
	def fromXML(self, name, attrs, content, ttFont):
		from fontTools.misc.textTools import readHex
		from fontTools import ttLib
		if name != "hexdata":
			raise ttLib.TTLibError("can't handle '%s' element" % name)
		self.decompile(readHex(content), ttFont)
	
	def __repr__(self):
		return "<'%s' table at %x>" % (self.tableTag, id(self))
	
	def __eq__(self, other):
		if type(self) != type(other):
			raise TypeError("unordered types %s() < %s()", type(self), type(other))
		return self.__dict__ == other.__dict__

@@ -315,24 +315,39 @@
 iter, ttFont
+, progress=None
 ):%0A%09%09if hasa

Add optional progress to DefaultTable