TYPViewer is updated officially to version [Only registered and activated users can see links. ]

Changes made from version 3.5.18 to 3.5.20:
- Support for CodePages 1250 to 1258 in the Visualization window of txt (for correct display of Cyrillic, Greek, Turkish, Hebrew, Arabic, Baltic and Vietnamese).
- Fixed a bug in the DrawOrder window: TYPviewer crash when editing a polygon after changing the DrawOrder.