diff --git a/debug/org.eclipse.cdt.debug.core/ChangeLog b/debug/org.eclipse.cdt.debug.core/ChangeLog
index 85ff868e845..788e4f37b79 100644
--- a/debug/org.eclipse.cdt.debug.core/ChangeLog
+++ b/debug/org.eclipse.cdt.debug.core/ChangeLog
@@ -1,3 +1,7 @@
+2005-07-18 Alain Magloire
+	new launch constant for the MI protocol
+	* src/org/eclipse/cdt/debug/core/ICDTLaunchConfigurationConstants.java
+
 2005-07-14 Mikhail Khodjaiants
 	Bug 103917: NPE in Variables View.
 	* AbstractCValue.java
diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/ICDTLaunchConfigurationConstants.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/ICDTLaunchConfigurationConstants.java
index f51b30260c2..a44be8f4c56 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/ICDTLaunchConfigurationConstants.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/ICDTLaunchConfigurationConstants.java
@@ -148,6 +148,12 @@ public interface ICDTLaunchConfigurationConstants {
 	 */
 	public static final String ATTR_DEBUGGER_ENABLE_REGISTER_BOOKKEEPING = CDT_LAUNCH_ID + ".ENABLE_REGISTER_BOOKKEEPING"; //$NON-NLS-1$
 
+	/**
+	 * launch configuration attribute key.  The value is a string specifying the protocol to
+	 * use.  For now only "mi", "mi1", "m2", "mi3" are supported.
+	 */
+	public static final String ATTR_DEBUGGER_PROTOCOL = CDT_LAUNCH_ID + ".protocol"; //$NON-NLS-1$
+
 	/**
 	 * Launch configuration attribute key. The value is a global variables'
 	 * memento.