1 files changed, 19 insertions, 0 deletions
diff --git a/src/expr.h b/src/expr.h
index 5e877d98..3cb60495 100644
--- a/src/expr.h
+++ b/src/expr.h
@@ -29,6 +29,20 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+/**
+ * @addtogroup expr
+ */
+
+/**
+ * @file   expr.h
+ * @author John Wiegley
+ *
+ * @ingroup expr
+ *
+ * @brief Brief
+ *
+ * Long.
+ */
 #ifndef _EXPR_H
 #define _EXPR_H
 
@@ -46,6 +60,11 @@ class call_scope_t;
 
 typedef function<value_t (call_scope_t&)> function_t;
 
+/**
+ * @brief Brief
+ *
+ * Long.
+ */
 class expr_t
 {
   struct token_t;