The system heavily uses tinyMCE for HTML editing. Apple is no longer releasing updates for IPad 1 which has bugs which prevent tinyMCE from working as a result we can no longer support iPad1.
The standard article editor includes find/replace and search options. We use TinyMCE for the editor, any of the TinyMCE buttons can be enabled.
The Anchor button can insert and edit anchors.
The default image editor used in TinyMCE
Insert/Remove bullet List and Insert/Remove Numbered List buttons are available in the HTML text editor.
Images can be resized and style set from the page authoring user interface.
All images can be compressed on the server side (reducing the size of the image downloaded to the client) by using the standard FORMAT URL parameter. The image will be converted on the server side and cached for performance reasons.