http://bugs.winehq.org/show_bug.cgi?id=8156
------- Additional Comments From cjstimpson@utwire.net 2007-25-04 15:08 ------- dlls/riched20/editor.c line 2942. #define TEXT_LIMIT_DEFAULT 32767 That's exactly where the text was cut off.
Probably need to implement the EN_MAXTEXT notification.