Amministrazione avanzata > Adattamento di business object > Amministrazione delle regole di inizializzazione degli oggetti > Understanding Object Initialization Rules > Changing Versioning Schemes > Harvard Series Versioning Schemes > Standard Alphabetic Scheme > Accommodating Legacy Characters in an Alphabetic Scheme
  
Accommodating Legacy Characters in an Alphabetic Scheme
In the standard alphabetic scheme, you can add the following property to identify the characters in the scheme to skip when creating a new revision label:
wt.series.MulticharacterSeries.legacyList=<list>
where <list> is the list of characters to exclude. Do not use a separator in the list.
By adding this property, the characters in the list can be in existing revision labels, but are not used when a new revision label is defined. For example, assume the following property is set:
wt.series.MulticharacterSeries.legacyList=IX
Then the next revision character used for an existing object with the current revision label of H is J (and not I). Also, existing objects with the current revision label of I will use J as the next revision label.
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Windchill allows new revisions to use legacy revision labels when a user overrides the default label by typing in the legacy label.