This website contains links to software which is either no longer maintained or will be supported only until the end of 2019 (CKFinder 2). For the latest documentation about current CKSource projects, including software like CKEditor 4/CKEditor 5, CKFinder 3, Cloud Services, Letters, Accessibility Checker, please visit the new documentation website.
If you look for an information about very old versions of CKEditor, FCKeditor and CKFinder check also the CKEditor forum, which was closed in 2015. If not, please head to StackOverflow for support.
FCKeditor offers you a possibility to view to the text you have written in the editing area in the HTML code. In order to view the HTML code press 
button on the toolbar.
Example:
After pressing button we can see the HTML code:
If you want to go back to the normal text just press again.
Editing the code in the HTML language is a very difficult feature and it should only be done by advanced users. If you don't have experience in HTML type the text normally.