FCKConfig.FormatSource = true; FCKConfig.FormatOutput = true;
FormatSource: When set to "true" the editor will format the XHTML when switching from WYSIWYG view to Source view, by inserting line breaks on some tags endings and indenting paragraphs, tables and lists.
FormatOutput: When set to "true" the editor will format the XHTML output by inserting line breaks on some tags endings and indenting paragraphs, tables and lists.
<table><tbody><tr><td>Something</td><td>Something else</td><td>Something more again</td></tr><tr><td>Something</td><td>Something else</td><td>Something more again</td></tr></tbody></table>
<table> <tbody> <tr> <td>Something</td> <td>Something else</td> <td>Something more again</td> </tr> <tr> <td>Something</td> <td>Something else</td> <td>Something more again</td> </tr> </tbody> </table>

Re: Explanation of FCKConfig.FormatSource and FCKConfig.FormatOu
Re: Explanation of FCKConfig.FormatSource and FCKConfig.FormatOu
FormatOutput on the other hand formats the output generated by the editor. So once you submit the editor data (e.g., the submit button on the demo page) the output obtained from the editor will be formatted.
Re: Explanation of FCKConfig.FormatSource and FCKConfig.FormatOu
Re: Explanation of FCKConfig.FormatSource and FCKConfig.Form
Re: Explanation of FCKConfig.FormatSource and FCKConfig.Form
http://docs.cksource.com/CKEditor_3.x/D ... Formatting