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) Now the Ku Klux Klan calls him to step up and for a trifling consideration of ten dollars he is made a Roland , a Lancelot , a knight-errant vowed to the succor of the oppressed , the destruction of ogres and magicians , the defense of the faith . A phi-node whose sources are all the same , ignoring nulls , is called a useless phi-node . Any such formalism which aims to capture semantics graphically is called a semantic network . Obviously , we get better performance if we can arrange the code so there are six instructions between each stop ( a group of parallel instructions , which may span several packets , is called a `` bundle '' ) . The number of schedules filed is considered a reasonable proxy for the number of filers because only one Schedule C is to be filed per plan .