Softkeys: Text disappears from textbox when predictive text is active.

Device: 5800
Firmware version: V 40.0.001 RnD
Release: qt-embedded-s60-opensource20091005-4.6.0-tp1.exe
Platform: ARMV5 UREL
Compiler used: ARM/Thumb C/C++ Compiler, RVCT2.2 [Build 683]
Application: Softkeys example
Launched from: Fluidlauncher
Problem description:

With predictive text active, type something on textbox using virtual alphanumeric keyboard and press green ok sign to accept the text. Predicted bit is still underlined in the textbox. Now click Custom softkeys button -> Textbox clears. However, if you reopen the virtual alphanumeric keypad, the text is still visible there. Text should never vanish in the first place.