HelpAssoc (Txt,VarName,[N]) --> N:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Functions:
~~~~~~~~~~
The unique system name of Txt variable and its user name VarName and
the index to help database are stored to to Association array. This array
is used by the HelpField() function as context sensitive help text for
current edited field or menu item. If N was set, all parameters are appended
to Association array, if not, N is searched in the array for.

Parameter description:
~~~~~~~~~~~~~~~~~~~~~~
Txt:    System (unique) identifier;
        there are following names used by the library:
          ALIAS->FIELD    for each database field
          SYS:->VARNAME   memory variables used for the objects of ABrowse
                          class
          MEMORY->VARNAME where the varname is the name of the memory
                          variable used in methods AddBlock(...) of Browse
                          class and its descendants.
VarName: is the user name displayed in help window as its title.
N:       is the index to help database, which text is written to the help
         window.

Return value:
~~~~~~~~~~~~~
help database index

Source code is in file  Objec2.prg.