Testing reproduced the following issues with both EE-3.3.0-P01 and the latest maintenance branch/rev# 40112:

1) A JS error occurs when accessing the showcase > richTextEntry demo page in IE11:
SCRIPT5022: NotSupportedError
File: coalesced.js.jsf, Line: 480, Column: 1016

2) Changing text or background color of a selected text fails because text selection is removed and the cursor jumps at the beginning of the line when choosing a new text/background color.

Both issues cannot be reproduced in IE10 or any other browsers.

Committed the following fixes to the 4.0 trunk...

r40433: applied ICE-9699 fix to ckeditormapper tool to generate mapping javascript file with the fix and to be more human readable
r40434: removed previous version of CKEditor (3.6.6.1)
r40435: added new version of CKEditor (4.3) with it's CSS files parsed to use JSF URLs and with the resource mapping generated.
r40436: added revision code to the mapping to remove it from URLs
r40437: fixes in our code to adapt to the new version
r40448: added icon to our custom save button, which as missing
r40449: fixed spellcheck plugin URLs
r40450: fixed smiley plugin URLs
r40452: removed unnecessary resources

Finished applying the fixes above to the 3.3 EE maintenance branch at revision 40463.

Finished applying the fixes above to the 3.3 EE maintenance branch for the ice:inputRichText component at revision 40470.

This new version of the CKEditor only comes with one skin. Therefore, ICE-9950 was created to add some other skins that are available as add-ons.

Testing showcase > ace:richTextEntry on EE-3.3.0-maintenance # 40474 in IE10/11 found that selecting a word in the middle of a text and changing its background color, will remove the background color of the text next to it.
Steps:

• enter a few words in rich text editor.
• select a word in the middle of the text, change its background color to red, as example; optionally save.
• select text before the word with red background color, including the white space between the words, and change its background color to blue -> the word with the 'red' background color loses its background color.
  This issue was found only in IE10 and IE11.

In IE7, showcase > ace:richTextEntry demo cannot be accessed, see attached screen shot.

Also there are multiple warnings visible in server log:
Mar 27, 2014 6:59:07 PM com.sun.faces.context.ExternalContextImpl getMimeType
WARNING: JSF1091: No mime type could be found for file richtextentry/ckeditor/CHANGES.md. To resolve this, add a mime-type mapping to the applications web.xml.
..........

Similar issues have been found with ice:inputRichText from component-showcase / showcase > ICE Components (EE-3.3.0-maintenance-branch# 40475).

Several issues found with ee-3.3.0 maintenance branch revision #40410:
Chrome, The content area now consumes most of the web page vertically, the component is not limited in height.

Similar to ICE-9911 - Error was seen on Chrome ee-3.3.0 maintenance branch when using block quotes:
GET http://localhost:8080/richTextEntry/plugins/magicline/images/icon.png 404 (Not Found)

When launching richTextEntry application in FF 3.6 it functions but this general error is seen (not FF 27):
Error: d.getSelection() is null
Source File: http://localhost:8080/richTextEntry/javax.faces.resource/richtextentry/ckeditor/ckeditor.js.jsf?ln=icefaces.ace&v=3_3_0_140327
Line: 764

RichTextEntry in ICE and ACE panel TabSets - when navigating between tabs this error appear:
FF - TypeError: a is undefined
Chrome - TypeError:cannot call method 'clearCustomData' of null
This also happens in the RichTextEntry in add to row to top or bottom of h:dataTable applications

FF 3.6 is not directly supported, so that issue doesn't require attention.

Renamed *.md files to *.md.txt, so that they have a known mime type, thus warning messages in the server log are prevented; updated ckeditor.mappng.j and readme.txt.

r40680: Committed fix to 4.0 trunk.
r40681: Committed fix to 3.3 EE branch.
r40683: Committed fix to 3.3 EE branch for ice:inputRichText.

RichTextEntry in ICE and ACE panel TabSets - when navigating between tabs this error appear:
FF - TypeError: a is undefined
Chrome - TypeError:cannot call method 'clearCustomData' of null
This also happens in the RichTextEntry in add to row to top or bottom of h:dataTable applications

The issue was caused by a listener function in the CKEditor code (detach()) that tried to invoke some clean-up methods after the actual editor instance and nodes had been removed from the DOM, such as in cases when adding a new row or loading a new tab from the server, which cause a full table or tabset markup update, completely removing editor instances and re-generating them after the update.

Committed fix at revisions 40690, 40691, and 40692.

All above issues with ACE components and showcase are verified fixed on ee-3.3.0 maintenance branch r40695, Chrome, FF, and IE 8, 9, 10, 11.
The issue: "In IE7, showcase > ace:richTextEntry demo cannot be accessed, see attached screen shot." is still happening. The error is the same and the demo will not load

Testing showcase > ace:richTextEntry on EE-3.3.0-maintenance # 40474 in IE10/11 found that selecting a word in the middle of a text and changing its background color, will remove the background color of the text next to it.
Steps:

• enter a few words in rich text editor.
• select a word in the middle of the text, change its background color to red, as example; optionally save.
• select text before the word with red background color, including the white space between the words, and change its background color to blue -> the word with the 'red' background color loses its background color.
  This issue was found only in IE10 and IE11.

This issue seems to have been indirectly fixed by some of the fixes above.

The issue: "In IE7, showcase > ace:richTextEntry demo cannot be accessed, see attached screen shot." is still happening. The error is the same and the demo will not load

IE7 is simply not supported on CKEditor 4.2 and beyond, according to this page:
http://ckeditor.com/blog/CKEditor-4.2-Released

Removed alert message, so that the editor simply and cleanly doesn't appear on IE7.

Re-testing with EE-3.3.0-maintenance # 40710 found that the rich text editor is not rendered at all in IE7, and it is functional in IE8.

However in IE10 and IE11 the issue about loosing the background color is still visible, and also there is a very similar issue in Firefox now.

We will attempt to make the component dynamically load either the newer CKeditor 4.3 when running in any browser other than IE7, or the older 3.6.6.1 when running on IE7 in order to preserve support for IE7 while adding support for IE11.

NOTE that this will only be for the 3.3 maintenance branch, ICEfaces 4 will not support IE7.

Committed enhancement to dynamically load an older version (3.6.6.1) or a newer version (4.3.3) of CKEditor, and thus continue to support IE7, to the 3.3 EE maintenance branch at revision 40735 for ace:richTextEntry and at revision 40737 for ice:inputRichText.

We need to preserve backwards compatibility with existing applications that may be using the "skin" attribute as it was supported in previous ICEfaces 3.3 releases, namely:

Specify the pre-defined skin for the editor. Possible values are 'v2', 'office2003', and 'kama' ('default' is synonymous of 'v2'). Default = 'default'.

So, let's make the "skin" attribute continue to function as it previously did when running on IE7 and thus, using the older CKeditor version that supported those skins. When running on other browsers and thus, using the newer CKeditor version that doesn't support those skins we will ignore any specified skins in the "skins" attribute for now.

At some point in the future when ICE-9950 is completed to add more skins to the CKeditor 4.3 version we will need to either add a new skin attribute "skin4"? so the new skins can be specified when running on newer browsers as well, or some other novel solution.

Note for ICEfaces 4, the "skin" attribute can be used for the CKeditor 4.3 skins as no support for IE7 is required.

Chrome, The content area now consumes most of the web page vertically, the component is not limited in height.

Reviewing the CKEditor documentation, for both the 3.x and 4.x versions, reveals that the height cannot be expressed in percent units (%) and that the default height is 200px, as stated in these documentation pages:

http://docs.cksource.com/ckeditor_api/symbols/CKEDITOR.config.html#.height
http://docs.ckeditor.com/#!/api/CKEDITOR.config-cfg-height

Moreover, the height only applies to the editable area, while the width applies to the entire editor.

The TLD documentation was updated to match the CKEditor description for these attributes.

Therefore, with a default height of 200px (and avoiding the use of percent units), the editor will now be bound by that height, unless a different explicit height is set.

Committed these changes to the 4.0 trunk at revision 40783 and to the 3.3 EE maintenance branch at revision 40784.

Committed these changes to 3.3 EE maintenance branch for ice:inputRichText at revision 40787.

Revisions 40794 and 40795... TLD doc and behaviour update regarding the 'skin' attribute: the attribute only applies to IE7 skins (old editor); all other browsers will use the 'moono' skin.

Resolving issue. Spinning off background colour issue to ICE-9971.

Affects component-showcase, icefaces ee-3.3.0 maintenance branch.
While verifying the fix for ICE-9970 I noticed that the Component showcase Rich Text Demo save function does not work in IE7.
This is only the case with the component-showcase demo page. When testing the ice:inputRichText Demo in showcase ICE components there is no issue.

IE 7 error when trying to save data.
Line 2
CHar 14523
Error: 'name' is null or not an object
Code: 0

Issues only happens when using component-showcase .war, does not happen with showcase ICE component demo.

This last issue in the comment above is not related to the ice:inputRichText component, but to the ice:selectOneMenu component in the form. Closing this issue and documenting the ice:selectOneMenu issue in ICE-9974.