diff --git a/hledger-lib/Hledger/Data/Posting.hs b/hledger-lib/Hledger/Data/Posting.hs
index 720760907..56fcccc3a 100644
--- a/hledger-lib/Hledger/Data/Posting.hs
+++ b/hledger-lib/Hledger/Data/Posting.hs
@@ -8,7 +8,36 @@ Strictly speaking, \"entry\" is probably a better name for these.
 
 -}
 
-module Hledger.Data.Posting
+module Hledger.Data.Posting (
+  -- * Posting
+  nullposting,
+  -- * operations
+  postingCleared,
+  isReal,
+  isVirtual,
+  isBalancedVirtual,
+  isEmptyPosting,
+  hasAmount,
+  -- * date operations
+  postingDate,
+  isPostingInDateSpan,
+  postingsDateSpan,
+  -- * account name operations that depend on posting type
+  accountNamesFromPostings,
+  accountNamePostingType,
+  accountNameWithoutPostingType,
+  accountNameWithPostingType,
+  joinAccountNames,
+  concatAccountNames,
+  accountNameApplyAliases,
+  -- * arithmetic
+  sumPostings,
+  -- * rendering
+  showPosting,
+  showPostingForRegister,
+  -- * misc.
+  tests_Hledger_Data_Posting
+)
 where
 import Data.List
 import Data.Ord
diff --git a/hledger-lib/Hledger/Data/Transaction.hs b/hledger-lib/Hledger/Data/Transaction.hs
index ed438acfe..1c6687282 100644
--- a/hledger-lib/Hledger/Data/Transaction.hs
+++ b/hledger-lib/Hledger/Data/Transaction.hs
@@ -6,7 +6,33 @@ plus a date and optional metadata like description and cleared status.
 
 -}
 
-module Hledger.Data.Transaction
+module Hledger.Data.Transaction (
+  -- * Transaction
+  nulltransaction,
+  txnTieKnot,
+  -- settxn,
+  -- * operations
+  showAccountName,
+  hasRealPostings,
+  realPostings,
+  virtualPostings,
+  balancedVirtualPostings,
+  transactionsPostings,
+  isTransactionBalanced,
+  -- nonzerobalanceerror,
+  -- * date operations
+  transactionActualDate,
+  transactionEffectiveDate,
+  journalTransactionWithDate,
+  -- * arithmetic
+  transactionPostingBalances,
+  balanceTransaction,
+  -- * rendering
+  showTransaction,
+  showTransactionUnelided,
+  -- * misc.
+  tests_Hledger_Data_Transaction
+)
 where
 import Data.List
 import Data.Maybe