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1.1     ! matthew     1: \label{Spreadsheet_Row_Numbers}
        !             2: 
        !             3: LON-CAPA ensures every row in a spreadsheet is uniquely and persistently
        !             4: assigned a row number.  Once a row number is used, it cannot be reused.
        !             5: The following sections describe the consequences
        !             6: of this and answer ``why are the rows of the spreadsheet out of order?''.
        !             7: 
        !             8: \textbf{Assessment Spreadsheet}
        !             9: 
        !            10: Every parameter associated with an assessment has a unique row in the
        !            11: assessment level spreadsheet.  As new parameters are encountered they
        !            12: are assigned the next available row number.  Adding a parameter to an
        !            13: assessment thus results in the new parameter appearing at the bottom of
        !            14: the spreadsheet.  Since the default spreadsheet definition must cover all
        !            15: of the assessments in the course, there are likely to be a large number of
        !            16: parameters available.
        !            17: 
        !            18: \textbf{Student Spreadsheet}
        !            19: 
        !            20: The student level spreadsheet displays information about each assessment
        !            21: in the course.  The row numbers are initially assigned based on the order 
        !            22: in which assessments appear in the course.  If a new assessment is 
        !            23: added at a later time, it will be assigned the next higher row number.
        !            24: Regardless of the row number, the assessment will appear in the proper place
        !            25: in the course structure.
        !            26: 
        !            27: \textbf{Course Spreadsheet}
        !            28: 
        !            29: The rows of the course spreadsheet are assigned to students as they are
        !            30: encountered in the class list.  Each student is 
        !            31: assigned a row number the first time they are present in the course.
        !            32: The rows are listed alphabetized by the students full name and the row
        !            33: numbers are assigned in this order.  If a student is later added, they
        !            34: will appear in the proper place alphabetically in the spreadsheet but
        !            35: their row number will not be in sequence.