Character usage restrictions

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## Character usage restrictions

To review, database identifiers, field names, and product codes (database keys) are restricted in the characters they may use. A short table showing restrictions:

                                           Legal characters
                                           ---------------------
        Database identifiers               A-Z a-z 0-9 _
        Field names                        A-Z a-z 0-9 _
        Database keys (product code/SKU)   A-Z a-z 0-9 _ # - . /
        Database values                    Any (subject to field/record delimiter)

Some SQL databases have reserved words which cannot be used as field names; MiniVend databases do not have this restriction.

For easy HTML compatibility, is not recommended that you use a / in a part number if you wish to use the flypage capability; you can still call it with [page href=flypage arg=``S/KU''] if you do happen to use it.

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