This element allows specifying a single symbol to appear in the insert symbol dialog. Any number of <symbol> elements, or none at all, can be nested in the parent <symbols> element.
Configuration Element Tree Structure
This attribute defines the character to add to the insert symbol dialog. Characters are defined as a string.
The following example specifies how to remove the default symbols from the symbol insertion dialog, and add the symbols ^, ? and *.
The <symbol> element can appear any amount of times within the <symbols> element.