1 files changed, 5 insertions, 0 deletions
diff --git a/idl.mdwn b/idl.mdwn
new file mode 100644
index 00000000..f6dc9eca
--- /dev/null
+++ b/idl.mdwn
@@ -0,0 +1,5 @@
+An IDL is an interface definition language.  The most well-known is
+CORBA.  An IDL compiler takes a specification and generates stubs
+that hide the transport details.  In the case of [[MIG]], this
+hides the marshalling and unmarshalling of parameters according
+to Mach's semantics.
+\ No newline at end of file