+a first argument for the subscription function are detailed in the <a href="interface.html#Element_identifiers"> interface details</a> . Again, these are passed as first argument in the callback (the <code>Gedcom_elt</code> argument).<br>
<br>
If we look at the other arguments of the start callback, we see the
level number (the initial number of the line in the GEDCOM file), the tag
<br>
If we look at the other arguments of the start callback, we see the
level number (the initial number of the line in the GEDCOM file), the tag
@@ -305,8+304,7 @@ in the section for record callbacks above.<br>
The <code>Gedcom_val</code> type is meant to be an opaque type. The
only thing that needs to be known about it is that it can contain specific
data types, which have to be retrieved from it using pre-defined macros.
The <code>Gedcom_val</code> type is meant to be an opaque type. The
only thing that needs to be known about it is that it can contain specific
data types, which have to be retrieved from it using pre-defined macros.