accounting ledger generating columns, reference to account

common/proto/table_definition.proto

@@ -170,7 +170,10 @@ message ColumnDefinition {
   //   PHONE (international or national phone number; generates extension/type/country/calling-code companions)
   //   TIME (timezone-free time of day)
   //   MONEY (= unconstrained NUMERIC; currency comes from the table)
-  //   ACCOUNTING (creates the schema-managed name, account, debit, and credit columns;
+  //   ACCOUNTING (creates schema-managed name, debit, and credit columns;
+  //               the table creator must separately provide a column named account
+  //               with any supported type or a required link to a table named account;
+  //               linked accounts post the linked row's configured display value;
   //               name is limited to 10 characters and one stored row contributes
   //               one line to the profile journal)
   //   INT