These below special characters may be used in the text, all other text commands are untested.
Special characters \$ \% \_ \} \& \# \{:
$ % _ } & # { .
Mathmode and textmode \ddag \P \dots \S \dag \pounds:
‡¶§†£.
Labels and references to structural elements may be using by inserting \label and \ref commands. When referring to another part of a document these should always be used to enable the transformations which break the document into parts to form crosslinks. This enables the reader to navigate and locate the information as required. For mathematical symbols, see the section 3.