CodeSnip Old Code (SVN)

Changed IDatabaseEdit.UpdateSnippet from a function to a procedure (since revision 3907 return value was same as snippet passed as a parameter).
Modified calling code accordingly.

Simplified TDatabase.UpdateSnippet taking advantage of the fact that a snippet's ID can't change.

Added code to remove invalid snippet IDs from a snippet's Depends and XRef properties.

In DB.USnippet this is a partial reversal of the change made in revision 3905.

Changed TSnippetEx.UpdateRefs to directly assign new values to Depends and XRef properties instead of using helper function.

Removed invalid TODO.

Changed type of TSnippet.Units property to IStringList and made necessary changes to using code.

Added comments to note that the use of FreeAndNil is justified.

Replaced unnecessary calls to FreeAndNil with calls to object's .Free method.

Replaced unnecessary calls to FreeAndNil with calls to object's .Free method.

Changed type of TSnippet's Depends and XRef properties from TSnippetList to ISnippetIDList.
Made minimal changes to affected code re the type changes.