extension for ref resolve, explode, implode, weave, tangle

examples/migration/legacy-transclusion-context.md

@@ -0,0 +1,13 @@
+---
+title: Legacy Transclusion Successor
+namespaces:
+  std: ./standard
+---
+
+# Contract Draft
+
+The old broad transclusion idea is now split into path includes and
+reference-backed processors.
+
+```mkt-include {#payment-clause ref="std:clauses.md#payment"}
+```