Symptom

Garbled character is displayed when switching Arabic to another language. I attached sample program (source code) that reproduces the problem.Garbled character is displayed when switching Arabic to another language. I attached sample program (source code : ArabicFontChangeSample.zip) that reproduces the problem.

Steps to Reproduce

1. Launch the sample program
2. Click a button labeled "Arabic"
3. Click a button labeled "Japanese"
4. Garbled characters are displayed
   

Notes

• This symptom happens when selecting Arabic first then switch to another language. If Japanese or English is selected first, this symptom never happens.
• This symptom only happens when “NoFontMerging” is specified as QFont::StyleStrategy option. "NoFontMerging" is specified in main.cpp.