lex.o lex.d : lex.cc input.h SLStack.h /usr/include/g++/SLList.h Stack.h variables.h \
  symtab.h error.h utils.h tree.h builtins.h help.h tree-base.h tree-const.h ./../liboctave/Range.h \
  ./../liboctave/Matrix.h ./../liboctave/f77-uscore.h idx-vector.h y.tab.h parse.h \
  lex.h