HH_E_CONTEXTIDDOESNTEXIT
HH_E_FILENOTFOUND
HH_E_INVALIDHELPFILE
HH_E_KEYWORD_EXCLUDED
HH_E_KEYWORD_IS_PLACEHOLDER
HH_E_KEYWORD_NOT_FOUND
HH_E_KEYWORD_NOT_IN_INFOTYPE
HH_E_KEYWORD_NOT_IN_SUBSET
HH_E_KEYWORD_NOT_SUPPORTED
HH_E_NOCONTEXTIDS
HH_E_TOPICDOESNOTEXIST