Does not print message when updated as this object has taken a vow of silence.
Prints out a dot and ignores message.
Prints out the position relative to the total and the message.
Nothing can update the silent download reporter.
Updates the verbose download reporter for the given number of bytes.
Checks if there are duplicate links with the same type and hreflang attributes that have an alternate (or empty) rel attribute
Raises a TooMuchTagError if there are duplicates found
Starts tracing object allocations.
Combines specs in index and source then writes out a new copy to dest. For a latest index, does not ensure the new file is minimal.