When editing rich text the following buttons become available:

Font

       Font - Choose from a list of fonts

               Font size - Choose from a list of  font sizes

               Grow font / shrink font - Click to grow / shrink font

                       Bold - Click to boldface

                       Italic - Click to italicize

                       Underline - Click to underline

                       Strike through - This option is currently not available

                       Subscript - This option is currently not available

                       Superscript - This option is currently not available

                       Background color - This option is currently not available

                       Text Foreground Color - Choose from a list of font colors

                       Insert link - Click to open the dialog to insert a hyperlink

                       Edit / view mode - Interactive text elements like hyperlinks are functional only in view mode

Paragraph

                       Bullets - This option is currently not available

                       Decrease indent - This option is currently not available

                       Increase indent - This option is currently not available

                       Left-aligned - Click to align the paragraph along the left margin

                       Centered - Click to center the paragraph between the two margins

                       Right-aligned - Click to align the paragraph along the right margin

                       Justified alignment - Click to distribute the text equally between the margins