The following commands are demostrated in the video below.

Text Mask
Text Mask:Places a mask object behind selected text, mtext, arc text, or attributes. The mask is offset from the text by a specified value.
Supports AutoCAD's MTEXT and Dimension background masking.
Text Unmask: Removes the mask objects from text, mtext, arc text, mtext, and attributes that have been masked with the Text, Arc Text, and Attribute Mask command.

Text Prefix and Suffix
Text Add Prefix / Suffix: Add a prefix and / or suffix string to existing text, mtext, SmartDraft arc text, dimensions, and attributes.
Text Remove Prefix / Suffix: Remove the (), [], {}, and <> prefix and suffix from text, mtext, attributes, and dimension.
Add the prefix "(" and the suffix ")" to selected text.
Add the prefix "((" and the suffix "))" to selected text.
Add the prefix "[" and the suffix "]" to selected text.
Add the prefix "[[" and the suffix "]]" to selected text.
Add the prefix "<" and the suffix ">" to selected text.
Add the prefix "<<" and the suffix ">>" to selected text.
Add the prefix "{" and the suffix "}" to selected text.
Add the prefix "{{" and the suffix "}}" to selected text.