Since JDK 1.4.0 it is not possible to type some French characters - ��������������������. These are characters AEIOUaeiou with accents (oriented backwards). It is not possible to type these characters in demo/jfc/Notepad, while it works in any non-java Windows application. To write such character you need to change the keyboard to French (Belgium) with layout Belgium (Comma). For �� press Alt-Gr | and Shift-Q. The | character is the one below backspace key.
I have tested several 1.5.* and 1.4.* JDKs and it doesn't work there. It works ok under JDKs 1.3.1_15-b01 and 1.3.1_05-b02.
For more details see NetBeans issue:
###@###.### 2005-04-11 11:42:06 GMT
There is a Linux part in this CR: I even not exactly understand what's wrong; "a grave problem" is not reproducible under X Window, XAWT.
Under Windows 200 it's reproducible with Swing and pure AWT alike.