The Notes Client Plugin for Sametime Instant Messaging uses Microsoft Internet Explorer installed on the workstation to provide some chat window functionality. Once you install or upgrade to Internet Explorer version 8, however, word wrap no longer works in the text input window of a Sametime chat session. The text appears all on a single line.
This issue is specific to Internet Explorer 8.
Resolving the problem
This issue has been reported to Quality Engineering as SPR# JOGA7NNRQA. Currently, Internet Explorer 8 is not a supported Web browser for Sametime that is embedded with Lotus Notes. To avoid the problem, use a supported Web browser version.