I'm using SVN 423 and have the same issue with the default settings. Try unchecking "Compose HTML messages" in the Personal Settings, Preferences area. That fixed the spell check in text mode but it still doesn't work in HTML mode.
Chuck
On Sat, 23 Dec 2006 23:04:41 "Nipun Jain" <jain.nipun(a)gmail.com> wrote:
>I downloaded and set up RoundCube's latest SVN 430 to see how the preview
>pane that's generating so much buzz is coming along. First of all, rc is
>really starting to grow into a mature product. Kudos to the developers for
>that. Now for the problem I faced.
>
>In the config file, I set spell check to true, set spell check server to
>empty (to use google spell checking), enabled html editor.
>
>Now while composing message, the spell check button (tab?) at the top (along
>with the send button) is greyed out. Shouldn't my enabling spell check in
>the config enable this button?
>
>I then proceeded to try out the spell check of the html editor (tinyMCE). It
>kept on crashing firefox. So I gave it a try in Internet Explorer 6, on
>which it popped up a message saying: "Could not spell check the message.
>Server didn't return a valid xml.".
>
>Is it a bug? Or am I missing something here?
>
>Nipun Jain