Hello
there is bug on 1.5 version (current 1.5 version + patch or just online 1.5 version).
Please take a look:
http://code.reloado.com/oeasyrik1/44/edit#previewif you change 7,00 to 7,01 and press Tab, value goes back to 7,00
This works OK if I use current version 1.5 without patch.