Tested with Ladybird b10 on RedHatLinux 6.1J Update, 6.2J and 6.2J Update.

Bold, Italic, BoldItalic styles are not applied to characters on TextFiled.
ASCII characrers in TextFiled are all plain.

To reproduce,

1. Compile an attached test program (StyledFont_D.java)
2. Execute StyledFont_D
   % java StyledFont_D

Then, You can see that ASCII character in TextFiled are Plain.

This is reproducible with Kestrel Linux.

<java version>
java version "1.3.1beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.3.1beta-b10)
Java HotSpot(TM) Client VM (build 1.3.1beta-b10, mixed mode)