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Following the NAMELIST are six title lines, each up to 500 characters long. 1) Graph title, 2) X-axis title, 3) Y-axis title, 4) Z-axis title, 5) U-axis title, 6) V-axis title. The last non-blank character in each title will be used to determine the title length, and the resulting string will then be centered on the plot. Lower-case letters may be used in titles, if they are available. Otherwise, they can be obtained by using the case switch characters, "<" and ">" (left and right angle brackets), which convert following letters to upper and lower case respectively. A doubled switch character suppresses its interpretation as a case switch, and causes it to be collapsed to a single character which is displayed in the plotted string. Multiple line titles can be obtained by separating the line strings by the two-character sequence $N or $n. Thus, if the graph title line supplied is Label 1$NLabel 2$NLabel 3 then the graph title will be three centered lines: Label 1 Label 2 Label 3 When multiple-line titles are requested, it will usually e necessary to reduce the horizontal and vertical extent of the plot through the options HSCALE and VSCALE in order to make the margins sufficiently large for the title text.