update/extend doxygen documentation
It's a pity that even with this patch we still are fare away from having
the whole API documented. However, at least we have a more solid
foundation. Updates not only extend the documentation, but also make
sure it is rendered properly in the doxygen HTML.
Change-Id: I1344bd1a6869fb00de7c1899a8db93bba9bafce3
diff --git a/src/gsm/abis_nm.c b/src/gsm/abis_nm.c
index 73759cb..c954902 100644
--- a/src/gsm/abis_nm.c
+++ b/src/gsm/abis_nm.c
@@ -22,6 +22,8 @@
/*! \addtogroup oml
* @{
+ * \brief GSM Network Management (OML) messages on the A-bis interface
+ * 3GPP TS 12.21 version 8.0.0 Release 1999 / ETSI TS 100 623 V8.0.0
*/
/*! \file abis_nm.c */