[Zope] raw trace log format

[Dennis Allison]

generally it's 

	code id fromepoch desc

The desc field is

	B	request (e.g. 'GET /')
	I       ???
	A	status_code bytes
	E

The desc for E is normally empty.  The desc for I is usually 0 
or a small integer.  Google could not help me find a definition 
for the desc value associated with I.  Can someone assist?



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