1 files changed, 68 insertions, 0 deletions
diff --git a/src/sisudoc/ocda/package.d b/src/sisudoc/ocda/package.d
new file mode 100644
index 0000000..7f32dfe
--- /dev/null
+++ b/src/sisudoc/ocda/package.d
@@ -0,0 +1,68 @@
+/+
+- Name: SisuDoc Spine, Doc Reform [a part of]
+  - Description: documents, structuring, processing, publishing, search
+    - static content generator
+
+  - Author: Ralph Amissah
+    [ralph.amissah@gmail.com]
+
+  - Copyright: (C) 2015 (continuously updated, current 2026) Ralph Amissah, All Rights Reserved.
+
+  - License: AGPL 3 or later:
+
+    Spine (SiSU), a framework for document structuring, publishing and
+    search
+
+    Copyright (C) Ralph Amissah
+
+    This program is free software: you can redistribute it and/or modify it
+    under the terms of the GNU AFERO General Public License as published by the
+    Free Software Foundation, either version 3 of the License, or (at your
+    option) any later version.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program. If not, see [https://www.gnu.org/licenses/].
+
+    If you have Internet connection, the latest version of the AGPL should be
+    available at these locations:
+    [https://www.fsf.org/licensing/licenses/agpl.html]
+    [https://www.gnu.org/licenses/agpl.html]
+
+  - Spine (by Doc Reform, related to SiSU) uses standard:
+    - docReform markup syntax
+      - standard SiSU markup syntax with modified headers and minor modifications
+    - docReform object numbering
+      - standard SiSU object citation numbering & system
+
+  - Homepages:
+    [https://www.sisudoc.org]
+    [https://www.doc-reform.org]
+
+  - Git
+    [https://git.sisudoc.org/]
+
++/
+/++
+  sisudoc.ocda - canonical entry point of the document-abstraction
+  library.
+
+  Pipeline position: markup -> abstraction -> output. This package is
+  the abstraction stage; the output stage lives in
+  sisudoc.outputs.io_out and consumes the values produced here.
+
+  This file re-exports sisudoc.ocda.abstraction (the documented public
+  API surface) so that consumers can write
+    import sisudoc.ocda;
+  and reach the entry points (spineAbstraction!(), docAbstraction!(),
+  spineAbstractionTxt) without depending on spine's directory layout.
+
+  No logic lives here.
++/
+module sisudoc.ocda;
+@safe:
+public import sisudoc.ocda.abstraction;