N-COMMAND-FILES.html" class="sf-depth-4">7.8 USING SYMBOLS IN COMMAND FILES</a></li><li id="menu-1282-1" class="middle odd sf-item-9 sf-depth-4 sf-no-children"><a href="PLOT-STRING-EDITING-TOOLS.html" class="sf-depth-4">7.9 PLOT+ STRING EDITING TOOLS</a></li><li id="menu-1283-1" class="middle even sf-item-10 sf-depth-4 sf-no-children"><a href="SYMBOL-EDITING.html" class="sf-depth-4">7.10 SYMBOL EDITING</a></li><li id="menu-1284-1" class="active-trail last odd sf-item-11 sf-depth-4 sf-no-children"><a href="S