Just a quick note to announce a new version of my Windows Live Writer plug-in, for Source Code Syntax Highlighting in WordPress.com posts, has been released.
CaptainKernel posted a comment on this blog to say he was having issues with the preview feature not formatting the code correctly. After some investigation this has been caused by a change on the WordPress.com.
Anyway a new fixed version, v.1.4.2, is now available to download here which resolves this issue.
RichHewlett.com 
I almost understood this weeks.