* fcl-db: dbase: backlinks:
- allow auto-upgrade from FoxPro to VisualFoxpro when backlink specified
- check on required tablelevel when assigning backlinks
- translation for error messages (Spanish,Italian,Polish,Portugues,Russian) needed
- layout/comment fixes



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28020 3ad0048d-3df7-0310-abae-a5850022a9f2
* fcl-db: backlinks: allow clearing backlinks in any tablelevel



git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28021 3ad0048d-3df7-0310-abae-a5850022a9f2