1 files changed, 19 insertions, 0 deletions
diff --git a/src/token.h b/src/token.h
index 904a2e52..30d2c0f4 100644
--- a/src/token.h
+++ b/src/token.h
@@ -29,6 +29,20 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+/**
+ * @defgroup expr Value expressions
+ */
+
+/**
+ * @file   token.h
+ * @author John Wiegley
+ *
+ * @ingroup expr
+ *
+ * @brief Brief
+ *
+ * Long.
+ */
 #ifndef _TOKEN_H
 #define _TOKEN_H
 
@@ -36,6 +50,11 @@
 
 namespace ledger {
 
+/**
+ * @brief Brief
+ *
+ * Long.
+ */
 struct expr_t::token_t : public noncopyable
 {
   enum kind_t {