In program/js/editor.js, there is a call to tinyMCE.init() that sets all of the configuration options. There are a couple options that I'm not specifying that might be of interest to you:

force_p_newlines
force_br_newlines

Check out the TinyMCE wiki for details.


riptide wrote: 
Is there a configuration setting that changes the html editor's html
generation so that it uses <br> tags instead of <p> tags for new lines?  I
guess this is a tinyMCE related problem and it might not be addressable
here.
I find it a little annoying that pressing enter spreads things out so much.
 I have been using plain text as my default because of that.

Other than that one issue, I very much enjoy using roundcube, and I want to
take the moment to thank all the developers for contributing.

Thanks,
Marcus Wu

--
Eric Stadtherr
estadtherr@gmail.com