This is the glossary source file:

NB. Don't use an equal sign (=) in the actual term. If you want to use an equal sign you need to use a 
different (unique) separator both between the terms and their definitions below, 
and in the Authorware code.

magnetic moment=Magnetic moment=gyromagnetic ratio times angular momentum.
proton=note:  13C, 19F, 31P also have spin 1/2, and therefore also exist only in two conformations in Bo.

The last line in the file is the default for undefined terms:
Definition not found