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    Text functions
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    Topic complex Table functions
    Function sortmark()
    Short Sorts the marking list
    Syntax SORTMARK(db : INTEGER; IndDef : STRING) : INTEGER
    Parameter db : Table handle from OpenDB
    IndDef : Index definition
    Return 1 : sorted successfully
    0 : error
    See also:
    marktable() firstmark() nextmark() findandmark() markindex()
    Description An index definition has the following structure:

    Hierarchic index::=Field-Def{","Field-Def}.
    Field-Def::=["$"]Field[":"Number]
    Field::=Field identifier|Field number

    Calculated Index::="("Expression")"[":"Number]

    Examples:

    Hierarchic Index: Name,Firstname:1,postcode
    Calculated Index: (Name+'/'+Firstname):40

    The optional specification :Number after a field (resp. after an expression) is evaluated only at string fields (resp. string expressions) and defines how many chars of the string are taken over to the index information.

    The following restrictions of an index description are valid at present (Version 6.2.6):

    The expression of a calculated index must not exceed 40 chars.
    The index information (sum of all hierarchic levels) may contain maximal 256 Bytes.

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