ocda + outputs split: module/import + dub.json fixups

Modules and imports rewritten to sisudoc.ocda.* and
sisudoc.outputs.*; dub.json excludedSourceFiles and the
spine:abstraction sub-package sourcePaths collapsed to
./src/sisudoc/ocda.

Verified: nix build .#spine-overlay-ldc clean.

(assisted by Claude-Code)

50 files changed, 271 insertions, 271 deletions

diff --git a/src/sisudoc/ocda/abstraction/package.d b/src/sisudoc/ocda/abstraction/package.d
index 645a514..4b34b3a 100644
--- a/src/sisudoc/ocda/abstraction/package.d
+++ b/src/sisudoc/ocda/abstraction/package.d
@@ -48,20 +48,20 @@
 
 +/
 /++
-  sisudoc.abstraction - public surface of the document-abstraction
+  sisudoc.ocda.abstraction - public surface of the document-abstraction
   library.
 
   Pipeline position: markup -> abstraction -> output.
   This package is the abstraction stage. The output stage lives in
-  sisudoc.io_out and consumes the values produced here.
+  sisudoc.outputs.io_out and consumes the values produced here.
 
   Entry points:
-    - spineAbstraction!() (from sisudoc.meta.metadoc) - A-layer:
+    - spineAbstraction!() (from sisudoc.ocda.meta.metadoc) - A-layer:
         builds the in-memory document object model from a manifest
         (pod path, .sst path). Reads the document body, parses YAML
         headers, returns a struct with .abstraction (the object
         model) and .matters (the conf/meta/src wrapper).
-    - docAbstraction!()   (from sisudoc.meta.metadoc_from_src) -
+    - docAbstraction!()   (from sisudoc.ocda.meta.metadoc_from_src) -
         B-layer: builds the abstraction from already-loaded body
         text plus a pre-built ConfComposite. Pure, no file I/O.
 
@@ -70,17 +70,17 @@
   directly.
 
   Serialisation:
-    - sisudoc.abstraction.ssp - PEG-parsable text serialisation of
+    - sisudoc.ocda.abstraction.ssp - PEG-parsable text serialisation of
         the abstraction (the .ssp format). See specs/doc-abstraction-
         format/ for the format reference.
 
   This file is a re-export-only surface. No logic lives here; it
-  exists so external consumers can `import sisudoc.abstraction;` and
+  exists so external consumers can `import sisudoc.ocda.abstraction;` and
   reach the entry points without depending on spine's directory
   layout.
 +/
-module sisudoc.abstraction;
+module sisudoc.ocda.abstraction;
 @safe:
-public import sisudoc.meta.metadoc;          // spineAbstraction (A-layer)
-public import sisudoc.meta.metadoc_from_src; // docAbstraction   (B-layer)
-public import sisudoc.abstraction.ssp;       // spineAbstractionTxt (.ssp)
+public import sisudoc.ocda.meta.metadoc;          // spineAbstraction (A-layer)
+public import sisudoc.ocda.meta.metadoc_from_src; // docAbstraction   (B-layer)
+public import sisudoc.ocda.abstraction.ssp;       // spineAbstractionTxt (.ssp)
diff --git a/src/sisudoc/ocda/abstraction/ssp.d b/src/sisudoc/ocda/abstraction/ssp.d
index 6eecef0..cb3747b 100644
--- a/src/sisudoc/ocda/abstraction/ssp.d
+++ b/src/sisudoc/ocda/abstraction/ssp.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.abstraction.ssp;
+module sisudoc.ocda.abstraction.ssp;
 @safe:
 
 /+ ↓ write document abstraction as human-readable .ssp text file +/
diff --git a/src/sisudoc/ocda/io_in/paths_source.d b/src/sisudoc/ocda/io_in/paths_source.d
index 41353ed..9cacdf0 100644
--- a/src/sisudoc/ocda/io_in/paths_source.d
+++ b/src/sisudoc/ocda/io_in/paths_source.d
@@ -52,7 +52,7 @@
   - read config files<BR>
   meta_config_files.d
 +/
-module sisudoc.io_in.paths_source;
+module sisudoc.ocda.io_in.paths_source;
 @safe:
 import std.array;
 import std.file;
@@ -60,8 +60,8 @@ import std.path;
 import std.regex;
 import std.stdio;
 import std.conv : to;
-import sisudoc.meta.defaults;
-import sisudoc.meta.rgx_files;
+import sisudoc.ocda.meta.defaults;
+import sisudoc.ocda.meta.rgx_files;
 template PodManifest() {
   mixin spineRgxFiles;
   static auto rgx_files = RgxFiles();
diff --git a/src/sisudoc/ocda/io_in/read_config_files.d b/src/sisudoc/ocda/io_in/read_config_files.d
index d3a3f45..849705a 100644
--- a/src/sisudoc/ocda/io_in/read_config_files.d
+++ b/src/sisudoc/ocda/io_in/read_config_files.d
@@ -52,14 +52,14 @@
   - read config files<BR>
   meta_config_files.d
 +/
-module sisudoc.io_in.read_config_files;
+module sisudoc.ocda.io_in.read_config_files;
 @safe:
 import std.file;
 import std.path;
-import sisudoc.meta;
-import sisudoc.io_in.paths_source;
-import sisudoc.meta.rgx_files;
-import sisudoc.meta.rgx;
+import sisudoc.ocda.meta;
+import sisudoc.ocda.io_in.paths_source;
+import sisudoc.ocda.meta.rgx_files;
+import sisudoc.ocda.meta.rgx;
 template readConfigSite() {
   @system final auto readConfigSite(Cf,O,Cfg)(Cf _conf_file_details, O _opt_action, Cfg _cfg) {
     mixin spineRgxIn;
@@ -190,10 +190,10 @@ webserv:
 static template readConfigDoc() {
   import std.file;
   import std.path;
-  import sisudoc.meta;
-  import sisudoc.io_in.paths_source;
-  import sisudoc.meta.rgx_files;
-  import sisudoc.meta.rgx;
+  import sisudoc.ocda.meta;
+  import sisudoc.ocda.io_in.paths_source;
+  import sisudoc.ocda.meta.rgx_files;
+  import sisudoc.ocda.meta.rgx;
   @system final auto readConfigDoc(M,E)(M _manifested, E _env) {
     mixin spineRgxIn;
     static auto rgx = RgxI();
@@ -244,10 +244,10 @@ static template readConfigDoc() {
 static template configReadSiteYAML() {
   import std.file;
   import std.path;
-  import sisudoc.meta;
-  import sisudoc.io_in.paths_source;
-  import sisudoc.meta.rgx_files;
-  import sisudoc.meta.rgx;
+  import sisudoc.ocda.meta;
+  import sisudoc.ocda.io_in.paths_source;
+  import sisudoc.ocda.meta.rgx_files;
+  import sisudoc.ocda.meta.rgx;
   final YAMLDocument configReadSiteYAML(M,E)(M _manifested, E _env) {
     string _configuration = configReadInSiteYAML!()(_manifested, _env);
     auto _conf_file_details = configFilePaths!()(_manifested, _env);
@@ -259,8 +259,8 @@ static template configReadSiteYAML() {
 static template configReadDocYAML() {
   import std.file;
   import std.path;
-  import sisudoc.meta;
-  import sisudoc.io_in.paths_source;
+  import sisudoc.ocda.meta;
+  import sisudoc.ocda.io_in.paths_source;
   final YAMLDocument configReadDocYAML(M,E)(M _manifested, E _env) {
     string _configuration = configReadInDocYAML!()(_manifested, _env);
     auto _conf_file_details = configFilePaths!()(_manifested, _env);
diff --git a/src/sisudoc/ocda/io_in/read_source_files.d b/src/sisudoc/ocda/io_in/read_source_files.d
index 31cbd37..720ee63 100644
--- a/src/sisudoc/ocda/io_in/read_source_files.d
+++ b/src/sisudoc/ocda/io_in/read_source_files.d
@@ -52,16 +52,16 @@
   - open markup files<BR>
   - if master file scan for addional files to import/insert
 +/
-module sisudoc.io_in.read_source_files;
+module sisudoc.ocda.io_in.read_source_files;
 @safe:
 template spineRawMarkupContent() {
   import std.digest.sha;
   import std.file;
   import std.path;
-  import sisudoc.meta;
-  import sisudoc.io_in.paths_source;
-  import sisudoc.meta.rgx_files;
-  import sisudoc.meta.rgx;
+  import sisudoc.ocda.meta;
+  import sisudoc.ocda.io_in.paths_source;
+  import sisudoc.ocda.meta.rgx_files;
+  import sisudoc.ocda.meta.rgx;
   mixin spineRgxIn;
   static auto rgx = RgxI();
   mixin spineRgxFiles;
diff --git a/src/sisudoc/ocda/io_in/read_zip_pod.d b/src/sisudoc/ocda/io_in/read_zip_pod.d
index d228f4e..322382d 100644
--- a/src/sisudoc/ocda/io_in/read_zip_pod.d
+++ b/src/sisudoc/ocda/io_in/read_zip_pod.d
@@ -52,7 +52,7 @@
   - extract pod zip archives to temp directory for processing<BR>
   - validate zip entries for security (path traversal, size limits)
 +/
-module sisudoc.io_in.read_zip_pod;
+module sisudoc.ocda.io_in.read_zip_pod;
 @safe:
 template spineExtractZipPod() {
   import std.algorithm : canFind;
diff --git a/src/sisudoc/ocda/meta/conf_make_meta_json.d b/src/sisudoc/ocda/meta/conf_make_meta_json.d
index c996b12..19ae4ba 100644
--- a/src/sisudoc/ocda/meta/conf_make_meta_json.d
+++ b/src/sisudoc/ocda/meta/conf_make_meta_json.d
@@ -51,7 +51,7 @@
   json headers<BR>
   extract json header return json
 +/
-module sisudoc.meta.conf_make_meta_json;
+module sisudoc.ocda.meta.conf_make_meta_json;
 @safe:
 static template contentJSONtoSpineStruct() {
   import std.algorithm;
@@ -63,10 +63,10 @@ static template contentJSONtoSpineStruct() {
   import std.typecons;
   import std.utf;
   import std.conv : to;
-  import sisudoc.meta.conf_make_meta_structs;
-  import sisudoc.meta.conf_make_meta_json;
-  import sisudoc.meta.defaults;
-  import sisudoc.meta.rgx;
+  import sisudoc.ocda.meta.conf_make_meta_structs;
+  import sisudoc.ocda.meta.conf_make_meta_json;
+  import sisudoc.ocda.meta.defaults;
+  import sisudoc.ocda.meta.rgx;
   ConfComposite _struct_composite;
   auto contentJSONtoSpineStruct(C,J,M)(C _struct_composite, J _json, M _manifested, string _identifier) {
     mixin spineRgxIn;
diff --git a/src/sisudoc/ocda/meta/conf_make_meta_structs.d b/src/sisudoc/ocda/meta/conf_make_meta_structs.d
index 6bfd8fb..e442f9a 100644
--- a/src/sisudoc/ocda/meta/conf_make_meta_structs.d
+++ b/src/sisudoc/ocda/meta/conf_make_meta_structs.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.meta.conf_make_meta_structs;
+module sisudoc.ocda.meta.conf_make_meta_structs;
 @safe:
 import std.exception;
 import std.json;
@@ -58,9 +58,9 @@ import std.string;
 import std.typecons;
 import std.utf;
 import std.conv : to;
-import sisudoc.meta.defaults;
-import sisudoc.meta.rgx_yaml;
-import sisudoc.meta.rgx;
+import sisudoc.ocda.meta.defaults;
+import sisudoc.ocda.meta.rgx_yaml;
+import sisudoc.ocda.meta.rgx;
 mixin spineRgxIn;
 static auto rgx = RgxI();
 mixin spineRgxYamlTags;
diff --git a/src/sisudoc/ocda/meta/conf_make_meta_yaml.d b/src/sisudoc/ocda/meta/conf_make_meta_yaml.d
index f4ee7d9..e73a843 100644
--- a/src/sisudoc/ocda/meta/conf_make_meta_yaml.d
+++ b/src/sisudoc/ocda/meta/conf_make_meta_yaml.d
@@ -51,7 +51,7 @@
   yaml headers<BR>
   extract yaml header return struct
 +/
-module sisudoc.meta.conf_make_meta_yaml;
+module sisudoc.ocda.meta.conf_make_meta_yaml;
 @safe:
 template contentYAMLtoSpineStruct() {
   import std.algorithm;
@@ -64,10 +64,10 @@ template contentYAMLtoSpineStruct() {
   import std.typecons;
   import std.utf;
   import std.conv : to;
-  import sisudoc.meta.conf_make_meta_structs;
-  import sisudoc.meta.defaults;
-  import sisudoc.meta.rgx_yaml;
-  import sisudoc.meta.rgx;
+  import sisudoc.ocda.meta.conf_make_meta_structs;
+  import sisudoc.ocda.meta.defaults;
+  import sisudoc.ocda.meta.rgx_yaml;
+  import sisudoc.ocda.meta.rgx;
   ConfComposite _struct_composite;
   @system ConfComposite contentYAMLtoSpineStruct(C,Y,M,O,Cfg)(
     C      _struct_composite,
@@ -894,8 +894,8 @@ template contentYAMLtoSpineStruct() {
 }
 template configParseYAMLreturnSpineStruct() {
   import dyaml;
-  import sisudoc.meta.conf_make_meta_structs;
-  import sisudoc.meta.conf_make_meta_json;
+  import sisudoc.ocda.meta.conf_make_meta_structs;
+  import sisudoc.ocda.meta.conf_make_meta_json;
   mixin contentYAMLtoSpineStruct;
   @system ConfComposite configParseYAMLreturnSpineStruct(T,M,O,Cfg)(
     T             _document_struct,
@@ -933,10 +933,10 @@ template docHeaderMakeAndMetaTupYamlExtractAndConvertToStruct() {
   import std.utf;
   import std.conv : to;
   import dyaml;
-  import sisudoc.meta.conf_make_meta_structs;
-  import sisudoc.meta.conf_make_meta_json;
-  import sisudoc.meta.rgx_yaml;
-  import sisudoc.meta.rgx;
+  import sisudoc.ocda.meta.conf_make_meta_structs;
+  import sisudoc.ocda.meta.conf_make_meta_json;
+  import sisudoc.ocda.meta.rgx_yaml;
+  import sisudoc.ocda.meta.rgx;
   mixin spineRgxIn;
   mixin contentJSONtoSpineStruct;
   static auto rgx = RgxI();
diff --git a/src/sisudoc/ocda/meta/defaults.d b/src/sisudoc/ocda/meta/defaults.d
index 53a791e..91df996 100644
--- a/src/sisudoc/ocda/meta/defaults.d
+++ b/src/sisudoc/ocda/meta/defaults.d
@@ -50,7 +50,7 @@
 /++
   default settings
 +/
-module sisudoc.meta.defaults;
+module sisudoc.ocda.meta.defaults;
 @safe:
 template spineNode() {
   static string[string] node_metadata_heading_str() {
diff --git a/src/sisudoc/ocda/meta/doc_debugs.d b/src/sisudoc/ocda/meta/doc_debugs.d
index 40a0af5..7ff57d7 100644
--- a/src/sisudoc/ocda/meta/doc_debugs.d
+++ b/src/sisudoc/ocda/meta/doc_debugs.d
@@ -50,10 +50,10 @@
 /++
   output debugs
 +/
-module sisudoc.meta.doc_debugs;
+module sisudoc.ocda.meta.doc_debugs;
 template spineDebugs() {
-  import sisudoc.meta.defaults;
-  import sisudoc.meta.rgx_files;
+  import sisudoc.ocda.meta.defaults;
+  import sisudoc.ocda.meta.rgx_files;
   import std.algorithm;
   import std.array;
   import std.container;
diff --git a/src/sisudoc/ocda/meta/metadoc.d b/src/sisudoc/ocda/meta/metadoc.d
index 421ff78..624761c 100644
--- a/src/sisudoc/ocda/meta/metadoc.d
+++ b/src/sisudoc/ocda/meta/metadoc.d
@@ -47,20 +47,20 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.meta.metadoc;
+module sisudoc.ocda.meta.metadoc;
 @safe:
 template spineAbstraction() {
   import std.datetime;
   import std.digest.crc;
   import std.digest.sha;
-  import sisudoc.meta;
-  import sisudoc.meta.metadoc_from_src;
-  import sisudoc.meta.conf_make_meta_structs;
-  import sisudoc.meta.conf_make_meta_json;
-  import sisudoc.meta.defaults;
-  import sisudoc.io_in.paths_source;
-  import sisudoc.io_in.read_config_files;
-  import sisudoc.io_in.read_source_files;
+  import sisudoc.ocda.meta;
+  import sisudoc.ocda.meta.metadoc_from_src;
+  import sisudoc.ocda.meta.conf_make_meta_structs;
+  import sisudoc.ocda.meta.conf_make_meta_json;
+  import sisudoc.ocda.meta.defaults;
+  import sisudoc.ocda.io_in.paths_source;
+  import sisudoc.ocda.io_in.read_config_files;
+  import sisudoc.ocda.io_in.read_source_files;
   mixin spineBiblio;
   enum makeMeta { make, meta }
   enum docAbst  { doc_abstract_obj, doc_has }
@@ -74,7 +74,7 @@ template spineAbstraction() {
   ){
     { /+ document config/make file +/
       auto _config_document_struct = readConfigDoc!()(_manifest, _env);
-      import sisudoc.meta.conf_make_meta_yaml;
+      import sisudoc.ocda.meta.conf_make_meta_yaml;
       _make_and_meta_struct = _config_document_struct.configParseYAMLreturnSpineStruct!()(_make_and_meta_struct, _manifest, _opt_action, _cfg);
     }
     /+ ↓ read file (filename with path) +/
@@ -103,7 +103,7 @@ template spineAbstraction() {
     ) {
       writeln("step2 commence → (read document header (yaml) return struct) [", _manifest.src.filename, "]");
     }
-    import sisudoc.meta.conf_make_meta_yaml;
+    import sisudoc.ocda.meta.conf_make_meta_yaml;
     _make_and_meta_struct =
       docHeaderMakeAndMetaTupYamlExtractAndConvertToStruct!()(
         _header_body_insertfilelist_imagelist.header_raw,
diff --git a/src/sisudoc/ocda/meta/metadoc_from_src.d b/src/sisudoc/ocda/meta/metadoc_from_src.d
index 4967c1f..bc00c49 100644
--- a/src/sisudoc/ocda/meta/metadoc_from_src.d
+++ b/src/sisudoc/ocda/meta/metadoc_from_src.d
@@ -50,7 +50,7 @@
 // document abstraction:
 // abstraction of sisu markup for downstream processing
 // metadoc_from_src.d
-module sisudoc.meta.metadoc_from_src;
+module sisudoc.ocda.meta.metadoc_from_src;
 @safe:
 template docAbstraction() {
   // ↓ abstraction imports
@@ -60,12 +60,12 @@ template docAbstraction() {
   import std.file;
   import std.json;
   import std.path;
-  import sisudoc.meta;
-  import sisudoc.meta.defaults;
-  import sisudoc.meta.rgx;
-  import sisudoc.meta.metadoc_object_setter;
-  import sisudoc.meta.rgx;
-  public import sisudoc.meta.metadoc_from_src_functions;
+  import sisudoc.ocda.meta;
+  import sisudoc.ocda.meta.defaults;
+  import sisudoc.ocda.meta.rgx;
+  import sisudoc.ocda.meta.metadoc_object_setter;
+  import sisudoc.ocda.meta.rgx;
+  public import sisudoc.ocda.meta.metadoc_from_src_functions;
   mixin docAbstractionFunctions;
   @system auto docAbstraction(CMM,Opt,Mf) (
     char[][]           markup_sourcefile_content,
diff --git a/src/sisudoc/ocda/meta/metadoc_from_src_functions.d b/src/sisudoc/ocda/meta/metadoc_from_src_functions.d
index bb3cd4e..f5c9bec 100644
--- a/src/sisudoc/ocda/meta/metadoc_from_src_functions.d
+++ b/src/sisudoc/ocda/meta/metadoc_from_src_functions.d
@@ -50,7 +50,7 @@
 // document abstraction:
 // abstraction of sisu markup for downstream processing
 // metadoc_from_src.d
-module sisudoc.meta.metadoc_from_src_functions;
+module sisudoc.ocda.meta.metadoc_from_src_functions;
 @safe:
 template docAbstractionFunctions() {
   // ↓ abstraction imports
diff --git a/src/sisudoc/ocda/meta/metadoc_object_setter.d b/src/sisudoc/ocda/meta/metadoc_object_setter.d
index 018c51b..c5c8b1b 100644
--- a/src/sisudoc/ocda/meta/metadoc_object_setter.d
+++ b/src/sisudoc/ocda/meta/metadoc_object_setter.d
@@ -52,7 +52,7 @@
   setting of sisu objects for downstream processing
   metadoc_object_setter.d
 +/
-module sisudoc.meta.metadoc_object_setter;
+module sisudoc.ocda.meta.metadoc_object_setter;
 @safe:
 template ObjectSetter() {
   /+ structs +/
diff --git a/src/sisudoc/ocda/meta/metadoc_show_config.d b/src/sisudoc/ocda/meta/metadoc_show_config.d
index c4be08a..771b916 100644
--- a/src/sisudoc/ocda/meta/metadoc_show_config.d
+++ b/src/sisudoc/ocda/meta/metadoc_show_config.d
@@ -47,15 +47,15 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.meta.metadoc_show_config;
+module sisudoc.ocda.meta.metadoc_show_config;
 @safe:
 template spineShowSiteConfig() {
   void spineShowSiteConfig(O,T)(
     O opt_action,
     T config,
   ) {
-    import sisudoc.meta.defaults;
-    import sisudoc.meta.rgx;
+    import sisudoc.ocda.meta.defaults;
+    import sisudoc.ocda.meta.rgx;
     import std.array;
     import std.digest.crc;
     import std.digest.sha;
@@ -138,8 +138,8 @@ template spineShowSiteConfig() {
 }
 template spineShowConfig() {
   void spineShowConfig(T)(T doc_matters) {
-    import sisudoc.meta.defaults;
-    import sisudoc.meta.rgx;
+    import sisudoc.ocda.meta.defaults;
+    import sisudoc.ocda.meta.rgx;
     import std.array;
     import std.digest.crc;
     import std.digest.sha;
diff --git a/src/sisudoc/ocda/meta/metadoc_show_make.d b/src/sisudoc/ocda/meta/metadoc_show_make.d
index 4001e15..d039e9d 100644
--- a/src/sisudoc/ocda/meta/metadoc_show_make.d
+++ b/src/sisudoc/ocda/meta/metadoc_show_make.d
@@ -47,12 +47,12 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.meta.metadoc_show_make;
+module sisudoc.ocda.meta.metadoc_show_make;
 @safe:
 template spineShowMake() {
   void spineShowMake(T)(T doc_matters) {
-    import sisudoc.meta.defaults;
-    import sisudoc.meta.rgx;
+    import sisudoc.ocda.meta.defaults;
+    import sisudoc.ocda.meta.rgx;
     import std.array;
     import std.digest.crc;
     import std.digest.sha;
diff --git a/src/sisudoc/ocda/meta/metadoc_show_metadata.d b/src/sisudoc/ocda/meta/metadoc_show_metadata.d
index 4159bc3..8b15870 100644
--- a/src/sisudoc/ocda/meta/metadoc_show_metadata.d
+++ b/src/sisudoc/ocda/meta/metadoc_show_metadata.d
@@ -47,12 +47,12 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.meta.metadoc_show_metadata;
+module sisudoc.ocda.meta.metadoc_show_metadata;
 @safe:
 template spineShowMetaData() {
   void spineShowMetaData(T)(T doc_matters) {
-    import sisudoc.meta.defaults;
-    import sisudoc.meta.rgx;
+    import sisudoc.ocda.meta.defaults;
+    import sisudoc.ocda.meta.rgx;
     import std.array;
     import std.digest.crc;
     import std.digest.sha;
diff --git a/src/sisudoc/ocda/meta/metadoc_show_summary.d b/src/sisudoc/ocda/meta/metadoc_show_summary.d
index 037b34a..1c52bfa 100644
--- a/src/sisudoc/ocda/meta/metadoc_show_summary.d
+++ b/src/sisudoc/ocda/meta/metadoc_show_summary.d
@@ -47,13 +47,13 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.meta.metadoc_show_summary;
+module sisudoc.ocda.meta.metadoc_show_summary;
 @safe:
 template spineMetaDocSummary() {
   void spineMetaDocSummary(D)(D doc) {
     auto doc_matters = doc.matters;
-    import sisudoc.meta.defaults;
-    import sisudoc.meta.rgx;
+    import sisudoc.ocda.meta.defaults;
+    import sisudoc.ocda.meta.rgx;
     import std.array;
     import std.digest.crc;
     import std.digest.sha;
diff --git a/src/sisudoc/ocda/meta/package.d b/src/sisudoc/ocda/meta/package.d
index 99de2f3..5858f9b 100644
--- a/src/sisudoc/ocda/meta/package.d
+++ b/src/sisudoc/ocda/meta/package.d
@@ -47,8 +47,8 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.meta;
-public import sisudoc.meta.defaults;
+module sisudoc.ocda.meta;
+public import sisudoc.ocda.meta.defaults;
 /+ std +/
 public import std.array;
 public import std.exception;
diff --git a/src/sisudoc/ocda/meta/rgx.d b/src/sisudoc/ocda/meta/rgx.d
index db485eb..357df25 100644
--- a/src/sisudoc/ocda/meta/rgx.d
+++ b/src/sisudoc/ocda/meta/rgx.d
@@ -50,7 +50,7 @@
 /++
   regex: regular expressions used in sisu document parser
 +/
-module sisudoc.meta.rgx;
+module sisudoc.ocda.meta.rgx;
 @safe:
 static template spineRgxIn() {
   static struct RgxI {
diff --git a/src/sisudoc/ocda/meta/rgx_files.d b/src/sisudoc/ocda/meta/rgx_files.d
index abf6e46..b26422f 100644
--- a/src/sisudoc/ocda/meta/rgx_files.d
+++ b/src/sisudoc/ocda/meta/rgx_files.d
@@ -50,7 +50,7 @@
 /++
   regex: regular expressions used in sisu document parser
 +/
-module sisudoc.meta.rgx_files;
+module sisudoc.ocda.meta.rgx_files;
 @safe:
 static template spineRgxFiles() {
   static struct RgxFiles {
diff --git a/src/sisudoc/ocda/meta/rgx_yaml.d b/src/sisudoc/ocda/meta/rgx_yaml.d
index 2d3c20b..2c7cfbb 100644
--- a/src/sisudoc/ocda/meta/rgx_yaml.d
+++ b/src/sisudoc/ocda/meta/rgx_yaml.d
@@ -50,7 +50,7 @@
 /++
   regex: regular expressions used in sisu document parser
 +/
-module sisudoc.meta.rgx_yaml;
+module sisudoc.ocda.meta.rgx_yaml;
 @safe:
 static template spineRgxYamlTags() {
   static struct RgxYaml {
diff --git a/src/sisudoc/outputs/conf/compile_time_info.d b/src/sisudoc/outputs/conf/compile_time_info.d
index e1ae3cf..d7b2d6c 100644
--- a/src/sisudoc/outputs/conf/compile_time_info.d
+++ b/src/sisudoc/outputs/conf/compile_time_info.d
@@ -50,7 +50,7 @@
 /++
   compile_time_info
 +/
-module sisudoc.conf.compile_time_info;
+module sisudoc.outputs.conf.compile_time_info;
 @safe:
 template CompileTimeInfo() {
   version(Windows) {
diff --git a/src/sisudoc/outputs/io_out/create_abstraction_db.d b/src/sisudoc/outputs/io_out/create_abstraction_db.d
index 20ca074..0b6b633 100644
--- a/src/sisudoc/outputs/io_out/create_abstraction_db.d
+++ b/src/sisudoc/outputs/io_out/create_abstraction_db.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.create_abstraction_db;
+module sisudoc.outputs.io_out.create_abstraction_db;
 
 /+ ↓ write document abstraction as per-document sqlite3 database +/
 template spineAbstractionDb() {
@@ -58,7 +58,7 @@ template spineAbstractionDb() {
   import std.string;
   import std.array;
   import d2sqlite3;
-  import sisudoc.io_out.paths_output;
+  import sisudoc.outputs.io_out.paths_output;
 
   void spineAbstractionDb(D)(D doc) {
     auto doc_abstraction = doc.abstraction;
diff --git a/src/sisudoc/outputs/io_out/create_zip_file.d b/src/sisudoc/outputs/io_out/create_zip_file.d
index 4063ab5..d0ace54 100644
--- a/src/sisudoc/outputs/io_out/create_zip_file.d
+++ b/src/sisudoc/outputs/io_out/create_zip_file.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.create_zip_file;
+module sisudoc.outputs.io_out.create_zip_file;
 @safe:
 template createZipFile() {
   import std.file;
diff --git a/src/sisudoc/outputs/io_out/curate/metadoc_curate.d b/src/sisudoc/outputs/io_out/curate/metadoc_curate.d
index 8e87167..21307f1 100644
--- a/src/sisudoc/outputs/io_out/curate/metadoc_curate.d
+++ b/src/sisudoc/outputs/io_out/curate/metadoc_curate.d
@@ -47,15 +47,15 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.curate.metadoc_curate;
+module sisudoc.outputs.io_out.curate.metadoc_curate;
 @safe:
 template spineMetaDocCurate() {
   auto spineMetaDocCurate(T,H)(
     T  doc_matters,
     H  hvst,
   ) {
-    import sisudoc.meta.defaults;
-    import sisudoc.meta.rgx;
+    import sisudoc.ocda.meta.defaults;
+    import sisudoc.ocda.meta.rgx;
     import std.array;
     import std.exception;
     import std.regex;
@@ -67,7 +67,7 @@ template spineMetaDocCurate() {
     import std.conv : to;
     mixin InternalMarkup;
     static auto mkup = InlineMarkup();
-    import sisudoc.io_out.paths_output;
+    import sisudoc.outputs.io_out.paths_output;
     auto pth_html_abs                  = spinePathsHTML!()(doc_matters.output_path, doc_matters.src.language);
     auto pth_html_rel                  = spineDocRootTreeHTML!()(doc_matters.src.language);
     hvst.curate.title                 = doc_matters.conf_make_meta.meta.title_full;
diff --git a/src/sisudoc/outputs/io_out/curate/metadoc_curate_authors.d b/src/sisudoc/outputs/io_out/curate/metadoc_curate_authors.d
index 6a356e7..45b6d0b 100644
--- a/src/sisudoc/outputs/io_out/curate/metadoc_curate_authors.d
+++ b/src/sisudoc/outputs/io_out/curate/metadoc_curate_authors.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.curate.metadoc_curate_authors;
+module sisudoc.outputs.io_out.curate.metadoc_curate_authors;
 @safe:
   import std.algorithm;
   import std.array;
@@ -56,8 +56,8 @@ module sisudoc.io_out.curate.metadoc_curate_authors;
   import std.stdio;
   import std.string;
   import std.conv : to;
-  import sisudoc.meta.defaults;
-  import sisudoc.meta.rgx;
+  import sisudoc.ocda.meta.defaults;
+  import sisudoc.ocda.meta.rgx;
   mixin spineCurateMetadata;
   mixin InternalMarkup;
 template spineMetaDocCuratesAuthors() {
@@ -509,7 +509,7 @@ string theme_light_1 = format(q"┃
 </body>
 </html>
 ┃") ~ "\n";
-    import sisudoc.io_out.paths_output;
+    import sisudoc.outputs.io_out.paths_output;
     auto out_pth = spinePathsHTML!()(_make_and_meta_struct.conf.output_path, "");
     try {
       auto f = File(out_pth.curate("authors.html"), "w");
diff --git a/src/sisudoc/outputs/io_out/curate/metadoc_curate_topics.d b/src/sisudoc/outputs/io_out/curate/metadoc_curate_topics.d
index 05643b9..99ec48d 100644
--- a/src/sisudoc/outputs/io_out/curate/metadoc_curate_topics.d
+++ b/src/sisudoc/outputs/io_out/curate/metadoc_curate_topics.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.curate.metadoc_curate_topics;
+module sisudoc.outputs.io_out.curate.metadoc_curate_topics;
 @safe:
   import std.algorithm;
   import std.array;
@@ -56,8 +56,8 @@ module sisudoc.io_out.curate.metadoc_curate_topics;
   import std.stdio;
   import std.string;
   import std.conv : to;
-  import sisudoc.meta.defaults;
-  import sisudoc.meta.rgx;
+  import sisudoc.ocda.meta.defaults;
+  import sisudoc.ocda.meta.rgx;
   mixin spineCurateMetadata;
   mixin InternalMarkup;
 template spineMetaDocCuratesTopics() {
@@ -677,7 +677,7 @@ string theme_light_1 = format(q"┃
 </body>
 </html>
 ┃") ~ "\n";
-    import sisudoc.io_out.paths_output;
+    import sisudoc.outputs.io_out.paths_output;
     auto out_pth = spinePathsHTML!()(_make_and_meta_struct.conf.output_path, "");
     try {
       auto f = File(out_pth.curate("topics.html"), "w");
diff --git a/src/sisudoc/outputs/io_out/defaults.d b/src/sisudoc/outputs/io_out/defaults.d
index 290ca89..73a9af1 100644
--- a/src/sisudoc/outputs/io_out/defaults.d
+++ b/src/sisudoc/outputs/io_out/defaults.d
@@ -50,7 +50,7 @@
 /++
   default settings
 +/
-module sisudoc.io_out.defaults;
+module sisudoc.outputs.io_out.defaults;
 @safe:
 
 template InternalMarkup() {
diff --git a/src/sisudoc/outputs/io_out/epub3.d b/src/sisudoc/outputs/io_out/epub3.d
index c715630..f3b4cd7 100644
--- a/src/sisudoc/outputs/io_out/epub3.d
+++ b/src/sisudoc/outputs/io_out/epub3.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.epub3;
+module sisudoc.outputs.io_out.epub3;
 @safe:
 template outputEPub3() {
   import std.file;
@@ -55,12 +55,12 @@ template outputEPub3() {
   import std.uri;
   import std.zip;
   import std.conv : to;
-  import sisudoc.io_out;
-  import sisudoc.io_out.rgx;
-  import sisudoc.io_out.rgx_xhtml;
-  import sisudoc.io_out.create_zip_file;
-  import sisudoc.io_out.xmls;
-  import sisudoc.io_out.xmls_css;
+  import sisudoc.outputs.io_out;
+  import sisudoc.outputs.io_out.rgx;
+  import sisudoc.outputs.io_out.rgx_xhtml;
+  import sisudoc.outputs.io_out.create_zip_file;
+  import sisudoc.outputs.io_out.xmls;
+  import sisudoc.outputs.io_out.xmls_css;
   mixin InternalMarkup;
   mixin outputXHTMLs;
   static auto rgx = RgxO();
@@ -634,7 +634,7 @@ template outputEPub3() {
         pth_epub3.base.mkdirRecurse;
       }
       if (!exists(pth_epub3.base ~ "/index.html")) {
-        import sisudoc.io_out.html_snippet;
+        import sisudoc.outputs.io_out.html_snippet;
         mixin htmlSnippet;
         auto f = File(pth_epub3.base ~"/index.html", "w");
         f.writeln(format_html_blank_page_guide_home(
diff --git a/src/sisudoc/outputs/io_out/html.d b/src/sisudoc/outputs/io_out/html.d
index a294f30..efdedf8 100644
--- a/src/sisudoc/outputs/io_out/html.d
+++ b/src/sisudoc/outputs/io_out/html.d
@@ -47,20 +47,20 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.html;
+module sisudoc.outputs.io_out.html;
 @safe:
 template outputHTML() {
   import std.file;
   import std.outbuffer;
   import std.uri;
   import std.conv : to;
-  import sisudoc.io_out;
-  import sisudoc.io_out.rgx;
-  import sisudoc.meta.rgx_files;
-  import sisudoc.io_out.rgx_xhtml;
-  import sisudoc.io_out.create_zip_file;
-  import sisudoc.io_out.xmls;
-  import sisudoc.io_out.xmls_css;
+  import sisudoc.outputs.io_out;
+  import sisudoc.outputs.io_out.rgx;
+  import sisudoc.ocda.meta.rgx_files;
+  import sisudoc.outputs.io_out.rgx_xhtml;
+  import sisudoc.outputs.io_out.create_zip_file;
+  import sisudoc.outputs.io_out.xmls;
+  import sisudoc.outputs.io_out.xmls_css;
   mixin outputXHTMLs;
   void scroll(D)(D doc) {
     mixin spineRgxOut;
@@ -248,7 +248,7 @@ template outputHTML() {
         }
       }
       if (!exists(pth_html.base ~ "/index.html")) {
-        import sisudoc.io_out.html_snippet;
+        import sisudoc.outputs.io_out.html_snippet;
         mixin htmlSnippet;
         auto f = File(pth_html.base ~"/index.html", "w");
         f.writeln(format_html_blank_page_guide_home(
@@ -563,7 +563,7 @@ template outputHTML() {
         f.writeln(css.html_scroll);
       }
       if (!exists(pth_html.css ~ "/index.html")) {
-        import sisudoc.io_out.html_snippet;
+        import sisudoc.outputs.io_out.html_snippet;
         mixin htmlSnippet;
         auto f = File(pth_html.css ~"/index.html", "w");
         f.writeln(format_html_blank_page_guide_home(
@@ -599,7 +599,7 @@ template outputHTML() {
         }
       }
       if (!exists(pth_html.image ~ "/index.html")) {
-        import sisudoc.io_out.html_snippet;
+        import sisudoc.outputs.io_out.html_snippet;
         mixin htmlSnippet;
         auto f = File(pth_html.image ~"/index.html", "w");
         f.writeln(format_html_blank_page_guide_home(
diff --git a/src/sisudoc/outputs/io_out/html_snippet.d b/src/sisudoc/outputs/io_out/html_snippet.d
index d02cb28..f960cea 100644
--- a/src/sisudoc/outputs/io_out/html_snippet.d
+++ b/src/sisudoc/outputs/io_out/html_snippet.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.html_snippet;
+module sisudoc.outputs.io_out.html_snippet;
 @safe:
 template htmlSnippet() {
   import std.file;
@@ -55,9 +55,9 @@ template htmlSnippet() {
   import std.format;
   import std.uri;
   import std.conv : to;
-  import sisudoc.io_out.rgx;
-  import sisudoc.meta.rgx_files;
-  import sisudoc.io_out.rgx_xhtml;
+  import sisudoc.outputs.io_out.rgx;
+  import sisudoc.ocda.meta.rgx_files;
+  import sisudoc.outputs.io_out.rgx_xhtml;
   auto format_html_blank_page_guide_home()(
     string css_style,
     string home_url,
diff --git a/src/sisudoc/outputs/io_out/hub.d b/src/sisudoc/outputs/io_out/hub.d
index 6ca047a..0aab81d 100644
--- a/src/sisudoc/outputs/io_out/hub.d
+++ b/src/sisudoc/outputs/io_out/hub.d
@@ -51,14 +51,14 @@
   output hub<BR>
   check & generate output types requested
 +/
-module sisudoc.io_out.hub;
+module sisudoc.outputs.io_out.hub;
 @safe:
 template outputHub() {
-  import sisudoc.io_out,
-    sisudoc.io_out.metadata,
-    sisudoc.io_out.xmls,
-    sisudoc.io_out.create_zip_file,
-    sisudoc.io_out.paths_output;
+  import sisudoc.outputs.io_out;
+  import sisudoc.outputs.io_out.metadata;
+  import sisudoc.outputs.io_out.xmls;
+  import sisudoc.outputs.io_out.create_zip_file;
+  import sisudoc.outputs.io_out.paths_output;
   @system void outputHub(D)(D doc) {
     mixin Msg;
     auto msg = Msg!()(doc.matters);
@@ -68,14 +68,14 @@ template outputHub() {
       if (sched == outTask.source_or_pod) {
         msg.v("spine (doc reform) source processing... ");
         if (doc.matters.opt.action.pod) { msg.v("spine (doc reform) source pod processing... "); }
-        import sisudoc.io_out.source_pod;
+        import sisudoc.outputs.io_out.source_pod;
         spinePod!()(doc.matters);
         if (doc.matters.opt.action.source) { msg.vv("spine (doc reform) source done"); }
         if (doc.matters.opt.action.pod) { msg.vv("spine (doc reform) source pod done"); }
       }
       if (sched == outTask.epub) {
         msg.v("epub3 processing... ");
-        import sisudoc.io_out.epub3;
+        import sisudoc.outputs.io_out.epub3;
         doc.outputEPub3!();
         msg.vv("epub3 done");
       }
@@ -85,25 +85,25 @@ template outputHub() {
       }
       if (sched == outTask.html_scroll) {
         msg.v("html scroll processing... ");
-        import sisudoc.io_out.html;
+        import sisudoc.outputs.io_out.html;
         outputHTML!().scroll(doc);
         msg.vv("html scroll done");
       }
       if (sched == outTask.html_seg) {
         msg.v("html seg processing... ");
-        import sisudoc.io_out.html;
+        import sisudoc.outputs.io_out.html;
         outputHTML!().seg(doc);
         msg.vv("html seg done");
       }
       if (sched == outTask.html_stuff) {
-        import sisudoc.io_out.html;
+        import sisudoc.outputs.io_out.html;
         outputHTML!().css(doc.matters);
         outputHTML!().images_cp(doc.matters);
         msg.vv("html css & images done");
       }
       if (sched == outTask.latex) {
         msg.v("latex processing... (available for downstream processing & pdf output");
-        import sisudoc.io_out.latex;
+        import sisudoc.outputs.io_out.latex;
         import std.file;
         if ((isValidPath(doc.matters.output_path ~ "/latex/sty"))
           && (!(exists(doc.matters.output_path ~ "/latex/sty")))
@@ -120,25 +120,25 @@ template outputHub() {
       }
       if (sched == outTask.text) {
         msg.v("text processing... ");
-        import sisudoc.io_out.text;
+        import sisudoc.outputs.io_out.text;
         outputText!()(doc.abstraction, doc.matters);
         msg.vv("text done");
       }
       if (sched == outTask.odt) {
         msg.v("odf:odt processing... ");
-        import sisudoc.io_out.odt;
+        import sisudoc.outputs.io_out.odt;
         outputODT!()(doc.abstraction, doc.matters);
         msg.vv("odf:odt done");
       }
       if (sched == outTask.sqlite) {
         msg.v("sqlite processing... ");
-        import sisudoc.io_out.sqlite;
+        import sisudoc.outputs.io_out.sqlite;
         doc.SQLiteHubDiscreteBuildTablesAndPopulate!();
         msg.vv("sqlite done");
       }
       if (sched == outTask.skel) {
         msg.v("skel processing... ");
-        import sisudoc.io_out.skel;
+        import sisudoc.outputs.io_out.skel;
         outputSkel!()(doc.abstraction, doc.matters);
         msg.vv("skel done");
       }
@@ -156,12 +156,12 @@ template outputHub() {
     }
     if (doc.matters.opt.action.sqlite_update) {
       msg.v("sqlite update processing...");
-      import sisudoc.io_out.sqlite;
+      import sisudoc.outputs.io_out.sqlite;
       doc.SQLiteHubBuildTablesAndPopulate!();
       msg.vv("sqlite update done");
     } else if (doc.matters.opt.action.sqlite_delete) {
       msg.v("sqlite delete processing...");
-      import sisudoc.io_out.sqlite;
+      import sisudoc.outputs.io_out.sqlite;
       doc.SQLiteHubBuildTablesAndPopulate!();
       msg.vv("sqlite delete done");
     }
@@ -169,9 +169,9 @@ template outputHub() {
 }
 template outputHubInitialize() {
   import std.file;
-  import sisudoc.io_out,
-    sisudoc.io_out.metadata,
-    sisudoc.io_out.paths_output;
+  import sisudoc.outputs.io_out;
+  import sisudoc.outputs.io_out.metadata;
+  import sisudoc.outputs.io_out.paths_output;
   string _bespoke_homepage = "./spine-bespoke-output/html/homepage.index.html";
   @system void outputHubInitialize(O,I)(
     O opt_action,
@@ -196,7 +196,7 @@ template outputHubInitialize() {
         && opt_action.output_dir_set.length > 0
         && !(isValidPath(opt_action.output_dir_set ~ "/latex/sty")))
     ) { // .sty need to be produced only once (if unchanged per output-dir of which there usually will be only one)
-      import sisudoc.io_out.latex;
+      import sisudoc.outputs.io_out.latex;
       outputLaTeXstyInit!()(
         opt_action.output_dir_set,
         opt_action.generated_by,
@@ -208,17 +208,17 @@ template outputHubInitialize() {
   }
 }
 template outputHubOp() {
-  import sisudoc.io_out,
-    sisudoc.io_out.metadata,
-    sisudoc.io_out.xmls,
-    sisudoc.io_out.create_zip_file,
-    sisudoc.io_out.paths_output;
+  import sisudoc.outputs.io_out;
+  import sisudoc.outputs.io_out.metadata;
+  import sisudoc.outputs.io_out.xmls;
+  import sisudoc.outputs.io_out.create_zip_file;
+  import sisudoc.outputs.io_out.paths_output;
   @system void outputHubOp(E,O,C)(E env, O opt_action, C config) {
     if ((opt_action.sqlite_db_drop)) {
       if ((opt_action.vox_gt_2)) {
         writeln("sqlite drop db...");
       }
-      import sisudoc.io_out.sqlite;
+      import sisudoc.outputs.io_out.sqlite;
       SQLiteDbDrop!()(opt_action, config);
       if ((opt_action.vox_gt_3)) {
         writeln("sqlite drop db done");
@@ -229,7 +229,7 @@ template outputHubOp() {
         auto pth_sqlite_db = spinePathsSQLite!()(opt_action.cgi_sqlite_search_filename, opt_action.output_dir_set);
         writeln("sqlite create table...");
       }
-      import sisudoc.io_out.sqlite;
+      import sisudoc.outputs.io_out.sqlite;
       SQLiteTablesCreate!()(env, opt_action, config);
       if ((opt_action.vox_gt_3)) {
         writeln("sqlite create table done");
diff --git a/src/sisudoc/outputs/io_out/latex.d b/src/sisudoc/outputs/io_out/latex.d
index 8a1ae3e..8e7b37c 100644
--- a/src/sisudoc/outputs/io_out/latex.d
+++ b/src/sisudoc/outputs/io_out/latex.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.latex;
+module sisudoc.outputs.io_out.latex;
 @safe:
 template paperLaTeX() {
   import std.format;
@@ -322,9 +322,9 @@ template outputLaTeX() {
   import std.outbuffer;
   import std.uri;
   import std.conv : to;
-  import sisudoc.io_out;
-  import sisudoc.io_out.rgx;
-  import sisudoc.io_out.rgx_latex;
+  import sisudoc.outputs.io_out;
+  import sisudoc.outputs.io_out.rgx;
+  import sisudoc.outputs.io_out.rgx_latex;
   mixin spineRgxOut;
   static auto rgx = RgxO();
   mixin spineRgxLSC;
@@ -1378,7 +1378,7 @@ template outputLaTeX() {
         }
       }
       if (!exists(pth_latex.latex_path_stuff ~ "/index.html")) {
-        import sisudoc.io_out.html_snippet;
+        import sisudoc.outputs.io_out.html_snippet;
         mixin htmlSnippet;
         auto f = File(pth_latex.latex_path_stuff ~"/index.html", "w");
         f.writeln(format_html_blank_page_guide_home(
@@ -1392,7 +1392,7 @@ template outputLaTeX() {
       }
       // should be in latex init and done just once, doc_matters not passed there though
       if (!exists(pth_latex.base ~ "/index.html")) {
-        import sisudoc.io_out.html_snippet;
+        import sisudoc.outputs.io_out.html_snippet;
         mixin htmlSnippet;
         auto f = File(pth_latex.base ~"/index.html", "w");
         f.writeln(format_html_blank_page_guide_home(
@@ -1404,7 +1404,7 @@ template outputLaTeX() {
         ));
       }
       if (!exists(pth_latex.base_sty ~ "/index.html")) {
-        import sisudoc.io_out.html_snippet;
+        import sisudoc.outputs.io_out.html_snippet;
         mixin htmlSnippet;
         auto f = File(pth_latex.base_sty ~"/index.html", "w");
         f.writeln(format_html_blank_page_guide_home(
@@ -1438,7 +1438,7 @@ template outputLaTeX() {
   }
 }
 template outputLaTeXstyInit() {
-  import sisudoc.io_out;
+  import sisudoc.outputs.io_out;
   auto paper = paperLaTeX;
   void writeOutputLaTeXstyStatic(
     string latex_sty,
diff --git a/src/sisudoc/outputs/io_out/metadata.d b/src/sisudoc/outputs/io_out/metadata.d
index 92b3bf9..f951dde 100644
--- a/src/sisudoc/outputs/io_out/metadata.d
+++ b/src/sisudoc/outputs/io_out/metadata.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.metadata;
+module sisudoc.outputs.io_out.metadata;
 // @safe:
 template outputMetadata() {
   void outputMetadata(T)(T doc_matters) {
@@ -113,7 +113,7 @@ template outputMetadata() {
     import std.digest.sha;
     import std.file;
     import std.format;
-    import sisudoc.io_out;
+    import sisudoc.outputs.io_out;
     mixin InternalMarkup;
     char[] metadata_;
 string theme_dark_0 = format(q"┃
@@ -378,7 +378,7 @@ string theme_light_1 = format(q"┃
           }
         }
         if (!exists(pth_html.base ~ "/index.html")) {
-          import sisudoc.io_out.html_snippet;
+          import sisudoc.outputs.io_out.html_snippet;
           mixin htmlSnippet;
           auto f = File(pth_html.base ~"/index.html", "w");
           f.writeln(format_html_blank_page_guide_home(
@@ -395,7 +395,7 @@ string theme_light_1 = format(q"┃
       if (doc_matters.opt.action.vox_gt_1) { writeln(" ", pth_html.fn_scroll("metadata." ~ doc_matters.src.filename)); }
     }
     static auto mkup = InlineMarkup();
-    import sisudoc.io_out.html_snippet;
+    import sisudoc.outputs.io_out.html_snippet;
     mixin htmlSnippet;
     if (doc_matters.opt.action.debug_do) {
       writeln(doc_matters.src.filename_base);
diff --git a/src/sisudoc/outputs/io_out/odt.d b/src/sisudoc/outputs/io_out/odt.d
index 7a85bfb..ed288cb 100644
--- a/src/sisudoc/outputs/io_out/odt.d
+++ b/src/sisudoc/outputs/io_out/odt.d
@@ -47,20 +47,20 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.odt;
+module sisudoc.outputs.io_out.odt;
 @safe:
 template formatODT() {
-  import sisudoc.io_out;
-  import sisudoc.io_out.rgx;
-  import sisudoc.io_out.rgx_xhtml;
+  import sisudoc.outputs.io_out;
+  import sisudoc.outputs.io_out.rgx;
+  import sisudoc.outputs.io_out.rgx_xhtml;
   import std.file;
   import std.outbuffer;
   import std.uri;
   import std.zip;
   import std.conv : to;
-  import sisudoc.io_out.create_zip_file;
-  import sisudoc.io_out.xmls;
-  import sisudoc.io_out.xmls_css;
+  import sisudoc.outputs.io_out.create_zip_file;
+  import sisudoc.outputs.io_out.xmls;
+  import sisudoc.outputs.io_out.xmls_css;
   mixin spineRgxOut;
   mixin spineRgxXHTML;
   struct formatODT {
@@ -642,17 +642,17 @@ template formatODT() {
   }
 }
 template outputODT() {
-  import sisudoc.io_out;
-  import sisudoc.io_out.rgx;
-  import sisudoc.io_out.rgx_xhtml;
+  import sisudoc.outputs.io_out;
+  import sisudoc.outputs.io_out.rgx;
+  import sisudoc.outputs.io_out.rgx_xhtml;
   import std.file;
   import std.outbuffer;
   import std.uri;
   import std.zip;
   import std.conv : to;
-  import sisudoc.io_out.create_zip_file;
-  import sisudoc.io_out.xmls;
-  import sisudoc.io_out.xmls_css;
+  import sisudoc.outputs.io_out.create_zip_file;
+  import sisudoc.outputs.io_out.xmls;
+  import sisudoc.outputs.io_out.xmls_css;
   mixin InternalMarkup;
   mixin spineRgxOut;
   mixin spineRgxXHTML;
@@ -939,7 +939,7 @@ template outputODT() {
     auto ref              M    doc_matters,
   ) {
     { /+ (copy odt images) +/
-      import sisudoc.io_out.paths_output;
+      import sisudoc.outputs.io_out.paths_output;
       auto pth_odt = spinePathsODT!()(doc_matters);
       foreach (image; doc_matters.srcs.image_list) {
         auto fn_src_in = doc_matters.src.image_dir_path ~ "/" ~ image;
@@ -979,7 +979,7 @@ template outputODT() {
   void dirtree(I)(
     I   doc_matters,
   ) {
-    import sisudoc.io_out.paths_output;
+    import sisudoc.outputs.io_out.paths_output;
     auto pth_odt = spinePathsODT!()(doc_matters);
     if (doc_matters.opt.action.debug_do) { /+ (dir tree) +/
       if (!exists(pth_odt.meta_inf_dir("fs"))) {
@@ -993,7 +993,7 @@ template outputODT() {
       pth_odt.base_pth.mkdirRecurse;
     }
     if (!exists(pth_odt.base_pth ~ "/index.html")) {
-      import sisudoc.io_out.html_snippet;
+      import sisudoc.outputs.io_out.html_snippet;
       mixin htmlSnippet;
       auto f = File(pth_odt.base_pth ~"/index.html", "w");
       f.writeln(format_html_blank_page_guide_home(
@@ -2098,7 +2098,7 @@ template outputODT() {
         }
       }
       if (!exists(pth_odt.base_pth ~ "/index.html")) {
-        import sisudoc.io_out.html_snippet;
+        import sisudoc.outputs.io_out.html_snippet;
         mixin htmlSnippet;
         auto f = File(pth_odt.base_pth ~"/index.html", "w");
         f.writeln(format_html_blank_page_guide_home(
diff --git a/src/sisudoc/outputs/io_out/package.d b/src/sisudoc/outputs/io_out/package.d
index e0512dc..489137f 100644
--- a/src/sisudoc/outputs/io_out/package.d
+++ b/src/sisudoc/outputs/io_out/package.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out;
+module sisudoc.outputs.io_out;
 public import std.algorithm;
 public import std.array;
 public import std.container;
@@ -61,7 +61,7 @@ public import std.string;
 public import std.typecons;
 // public import std.uni;
 public import std.utf;
-public import sisudoc.share.defaults;
-public import sisudoc.io_in.paths_source;
-public import sisudoc.io_out.defaults;
-public import sisudoc.io_out.paths_output;
+public import sisudoc.outputs.share.defaults;
+public import sisudoc.ocda.io_in.paths_source;
+public import sisudoc.outputs.io_out.defaults;
+public import sisudoc.outputs.io_out.paths_output;
diff --git a/src/sisudoc/outputs/io_out/paths_output.d b/src/sisudoc/outputs/io_out/paths_output.d
index a9d0928..3d8323d 100644
--- a/src/sisudoc/outputs/io_out/paths_output.d
+++ b/src/sisudoc/outputs/io_out/paths_output.d
@@ -50,13 +50,13 @@
 /++
   default settings
 +/
-module sisudoc.io_out.paths_output;
+module sisudoc.outputs.io_out.paths_output;
 @safe:
 import std.array;
 import std.path;
 import std.regex;
 import std.stdio;
-import sisudoc.meta.rgx_files;
+import sisudoc.ocda.meta.rgx_files;
 template spineOutPaths() {
   auto spineOutPaths()(
     string output_pth_root,
diff --git a/src/sisudoc/outputs/io_out/rgx.d b/src/sisudoc/outputs/io_out/rgx.d
index 384222c..c915076 100644
--- a/src/sisudoc/outputs/io_out/rgx.d
+++ b/src/sisudoc/outputs/io_out/rgx.d
@@ -50,7 +50,7 @@
 /++
   regex: regular expressions used in sisu document parser
 +/
-module sisudoc.io_out.rgx;
+module sisudoc.outputs.io_out.rgx;
 @safe:
 static template spineRgxOut() {
   static struct RgxO {
diff --git a/src/sisudoc/outputs/io_out/rgx_latex.d b/src/sisudoc/outputs/io_out/rgx_latex.d
index 1ae6147..e40a28e 100644
--- a/src/sisudoc/outputs/io_out/rgx_latex.d
+++ b/src/sisudoc/outputs/io_out/rgx_latex.d
@@ -50,7 +50,7 @@
 /++
   regex: regular expressions used in sisu document parser
 +/
-module sisudoc.io_out.rgx_latex;
+module sisudoc.outputs.io_out.rgx_latex;
 @safe:
 static template spineRgxLSC() {
   static struct RgxLSC {
diff --git a/src/sisudoc/outputs/io_out/rgx_xhtml.d b/src/sisudoc/outputs/io_out/rgx_xhtml.d
index b1b1004..a2bf192 100644
--- a/src/sisudoc/outputs/io_out/rgx_xhtml.d
+++ b/src/sisudoc/outputs/io_out/rgx_xhtml.d
@@ -50,7 +50,7 @@
 /++
   regex: regular expressions used in sisu document parser
 +/
-module sisudoc.io_out.rgx_xhtml;
+module sisudoc.outputs.io_out.rgx_xhtml;
 @safe:
 static template spineRgxXHTML() {
   static struct RgxXHTML {
diff --git a/src/sisudoc/outputs/io_out/skel.d b/src/sisudoc/outputs/io_out/skel.d
index 92e0d52..5331da3 100644
--- a/src/sisudoc/outputs/io_out/skel.d
+++ b/src/sisudoc/outputs/io_out/skel.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.skel;
+module sisudoc.outputs.io_out.skel;
 @safe:
 template outputSkel() {
   template munge() {
@@ -187,7 +187,7 @@ template outputSkel() {
   }
   template theDocument() {
     import std.stdio;
-    import sisudoc.io_out;
+    import sisudoc.outputs.io_out;
     // static auto rgx = RgxO();
     string skel_head(M)(
             M  doc_matters,
@@ -232,7 +232,7 @@ template outputSkel() {
           M  doc_matters,
   ) {
     import std.stdio;
-    import sisudoc.io_out;
+    import sisudoc.outputs.io_out;
     void skel_out(D,M)(
       const D  doc_abstraction,
             M  doc_matters,
diff --git a/src/sisudoc/outputs/io_out/source_pod.d b/src/sisudoc/outputs/io_out/source_pod.d
index b015a04..f6c73d6 100644
--- a/src/sisudoc/outputs/io_out/source_pod.d
+++ b/src/sisudoc/outputs/io_out/source_pod.d
@@ -47,7 +47,7 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.source_pod;
+module sisudoc.outputs.io_out.source_pod;
 @system: // is not @safe: use: @system: or @trusted:
 template spinePod() {
   import std.digest.sha;
@@ -55,10 +55,10 @@ template spinePod() {
   import std.outbuffer;
   import std.zip;
   import std.conv : to;
-  import sisudoc.meta.rgx_files;
-  import sisudoc.io_out;
-  import sisudoc.io_out.create_zip_file;
-  import sisudoc.io_out.xmls;
+  import sisudoc.ocda.meta.rgx_files;
+  import sisudoc.outputs.io_out;
+  import sisudoc.outputs.io_out.create_zip_file;
+  import sisudoc.outputs.io_out.xmls;
   void spinePod(T)(T doc_matters) {
     debug(asserts) {
       // static assert(is(typeof(doc_matters) == tuple));
@@ -136,7 +136,7 @@ template spinePod() {
       }
     }
     if (!exists(pths_pod.pod_dir_() ~ "/index.html")) {
-      import sisudoc.io_out.html_snippet;
+      import sisudoc.outputs.io_out.html_snippet;
       mixin htmlSnippet;
       auto f = File(pths_pod.pod_dir_() ~"/index.html", "w");
       f.writeln(format_html_blank_page_guide_home(
@@ -196,7 +196,7 @@ template spinePod() {
     } { // bundle abstraction .ssp file (only for --pod2)
       if (doc_matters.opt.action.pod2) {
         if (doc_matters.src.language == doc_matters.pod.manifest_list_of_languages[$-1]) { // wait until all language versions of .ssp generated
-          import sisudoc.io_out.paths_output;
+          import sisudoc.outputs.io_out.paths_output;
           /+ doc_uid_out for any language follows the same pattern, differing
              only in the trailing ".{lng}". Strip the current language to
              reuse the base across all languages. +/
@@ -485,7 +485,7 @@ template spinePod() {
     }
   }
   void zipArchiveDigest(M,F,D)(M doc_matters, F fn_pod, D _digests) {
-    import sisudoc.io_out.paths_output;
+    import sisudoc.outputs.io_out.paths_output;
     auto pths_pod = spinePathsPods!()(doc_matters);
     char[] _zip_digest;
     try {
diff --git a/src/sisudoc/outputs/io_out/sqlite.d b/src/sisudoc/outputs/io_out/sqlite.d
index 4ce5e0d..2b0b6d5 100644
--- a/src/sisudoc/outputs/io_out/sqlite.d
+++ b/src/sisudoc/outputs/io_out/sqlite.d
@@ -47,10 +47,10 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.sqlite;
-import sisudoc.io_out;
-import sisudoc.io_out.rgx;
-import sisudoc.io_out.rgx_xhtml;
+module sisudoc.outputs.io_out.sqlite;
+import sisudoc.outputs.io_out;
+import sisudoc.outputs.io_out.rgx;
+import sisudoc.outputs.io_out.rgx_xhtml;
 import std.file;
 import std.uri;
 // import std.digest.sha;
diff --git a/src/sisudoc/outputs/io_out/text.d b/src/sisudoc/outputs/io_out/text.d
index 7c4315a..89e85d9 100644
--- a/src/sisudoc/outputs/io_out/text.d
+++ b/src/sisudoc/outputs/io_out/text.d
@@ -47,12 +47,12 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.text;
+module sisudoc.outputs.io_out.text;
 @safe:
 template outputText() {
   template munge() {
-    import sisudoc.io_out;
-    import sisudoc.io_out.rgx;
+    import sisudoc.outputs.io_out;
+    import sisudoc.outputs.io_out.rgx;
     import std.stdio;
     import std.conv;
     import std.conv : to;
@@ -352,7 +352,7 @@ template outputText() {
   }
   template theDocument() {
     import std.stdio;
-    import sisudoc.io_out;
+    import sisudoc.outputs.io_out;
     string text_head(M)(
             M  doc_matters,
     ) {
@@ -434,7 +434,7 @@ template outputText() {
           M  doc_matters,
   ) {
     import std.stdio;
-    import sisudoc.io_out;
+    import sisudoc.outputs.io_out;
     void text_out(D,M)(
       const D  doc_abstraction,
             M  doc_matters,
diff --git a/src/sisudoc/outputs/io_out/xmls.d b/src/sisudoc/outputs/io_out/xmls.d
index 7b503dd..d63deba 100644
--- a/src/sisudoc/outputs/io_out/xmls.d
+++ b/src/sisudoc/outputs/io_out/xmls.d
@@ -47,20 +47,20 @@
     [https://git.sisudoc.org/]
 
 +/
-module sisudoc.io_out.xmls;
+module sisudoc.outputs.io_out.xmls;
 @safe:
 template outputXHTMLs() {
   import std.file;
   import std.outbuffer;
   import std.uri;
   import std.conv : to;
-  import sisudoc.io_out;
-  import sisudoc.io_out.rgx;
-  import sisudoc.meta.rgx_files;
-  import sisudoc.io_out.rgx_xhtml;
-  import sisudoc.io_out.create_zip_file;
-  import sisudoc.io_out.xmls;
-  import sisudoc.io_out.xmls_css;
+  import sisudoc.outputs.io_out;
+  import sisudoc.outputs.io_out.rgx;
+  import sisudoc.ocda.meta.rgx_files;
+  import sisudoc.outputs.io_out.rgx_xhtml;
+  import sisudoc.outputs.io_out.create_zip_file;
+  import sisudoc.outputs.io_out.xmls;
+  import sisudoc.outputs.io_out.xmls_css;
   mixin spineRgxOut;
   mixin spineRgxXHTML;
   struct outputXHTMLs {
diff --git a/src/sisudoc/outputs/io_out/xmls_css.d b/src/sisudoc/outputs/io_out/xmls_css.d
index cdada08..655b236 100644
--- a/src/sisudoc/outputs/io_out/xmls_css.d
+++ b/src/sisudoc/outputs/io_out/xmls_css.d
@@ -50,7 +50,7 @@
 /++
   default css settings
 +/
-module sisudoc.io_out.xmls_css;
+module sisudoc.outputs.io_out.xmls_css;
 @safe:
 template spineCss() {
   import std.format;
diff --git a/src/sisudoc/outputs/share/defaults.d b/src/sisudoc/outputs/share/defaults.d
index 4972992..d61a038 100644
--- a/src/sisudoc/outputs/share/defaults.d
+++ b/src/sisudoc/outputs/share/defaults.d
@@ -50,7 +50,7 @@
 /++
   shared default settings
 +/
-module sisudoc.share.defaults;
+module sisudoc.outputs.share.defaults;
 @safe:
 template Msg() {
   import std.stdio;
diff --git a/src/sisudoc/spine.d b/src/sisudoc/spine.d
index a47c6db..c80814e 100644
--- a/src/sisudoc/spine.d
+++ b/src/sisudoc/spine.d
@@ -60,25 +60,25 @@ import std.getopt;
 import std.file;
 import std.path;
 import std.process;
-import sisudoc.conf.compile_time_info;
-import sisudoc.meta;
-import sisudoc.meta.metadoc;
-import sisudoc.io_out.curate.metadoc_curate;
-import sisudoc.io_out.curate.metadoc_curate_authors;
-import sisudoc.io_out.curate.metadoc_curate_topics;
-import sisudoc.meta.metadoc_from_src;
-import sisudoc.meta.conf_make_meta_structs;
-import sisudoc.meta.conf_make_meta_json;
-import sisudoc.meta.defaults;
-import sisudoc.meta.doc_debugs;
-import sisudoc.meta.rgx;
-import sisudoc.meta.rgx_yaml;
-import sisudoc.meta.rgx_files;
-import sisudoc.io_in.paths_source;
-import sisudoc.io_in.read_config_files;
-import sisudoc.io_in.read_source_files;
-import sisudoc.io_in.read_zip_pod;
-import sisudoc.io_out.hub;
+import sisudoc.outputs.conf.compile_time_info;
+import sisudoc.ocda.meta;
+import sisudoc.ocda.meta.metadoc;
+import sisudoc.outputs.io_out.curate.metadoc_curate;
+import sisudoc.outputs.io_out.curate.metadoc_curate_authors;
+import sisudoc.outputs.io_out.curate.metadoc_curate_topics;
+import sisudoc.ocda.meta.metadoc_from_src;
+import sisudoc.ocda.meta.conf_make_meta_structs;
+import sisudoc.ocda.meta.conf_make_meta_json;
+import sisudoc.ocda.meta.defaults;
+import sisudoc.ocda.meta.doc_debugs;
+import sisudoc.ocda.meta.rgx;
+import sisudoc.ocda.meta.rgx_yaml;
+import sisudoc.ocda.meta.rgx_files;
+import sisudoc.ocda.io_in.paths_source;
+import sisudoc.ocda.io_in.read_config_files;
+import sisudoc.ocda.io_in.read_source_files;
+import sisudoc.ocda.io_in.read_zip_pod;
+import sisudoc.outputs.io_out.hub;
 mixin(import("version.txt"));
 mixin(import("configuration.txt"));
 mixin CompileTimeInfo;
@@ -920,7 +920,7 @@ string program_name = "spine";
         { /+ local site config +/
           _conf_file_details = configFilePaths!()(_manifested, _env, _opt_action.config_path_set);
           auto _config_local_site_struct = readConfigSite!()(_conf_file_details, _opt_action, _cfg);
-          import sisudoc.meta.conf_make_meta_yaml;
+          import sisudoc.ocda.meta.conf_make_meta_yaml;
           _siteConfig = _config_local_site_struct.configParseYAMLreturnSpineStruct!()(_siteConfig, _manifested, _opt_action, _cfg); // - get local site config
           break;
         }
@@ -928,11 +928,11 @@ string program_name = "spine";
     }
   } else { /+ local site config +/
     auto _config_local_site_struct = readConfigSite!()(_conf_file_details, _opt_action, _cfg);
-    import sisudoc.meta.conf_make_meta_yaml;
+    import sisudoc.ocda.meta.conf_make_meta_yaml;
     _siteConfig = _config_local_site_struct.configParseYAMLreturnSpineStruct!()(_siteConfig, _manifested, _opt_action, _cfg); // - get local site config
   }
   if (_opt_action.show_config) {
-    import sisudoc.meta.metadoc_show_config;
+    import sisudoc.ocda.meta.metadoc_show_config;
     spineShowSiteConfig!()(_opt_action, _siteConfig);
   }
   if (!(_opt_action.skip_output)) {
@@ -1306,32 +1306,32 @@ string program_name = "spine";
           }
           /+ ↓ debugs +/
           if (doc.matters.opt.action.show_summary) {
-            import sisudoc.meta.metadoc_show_summary;
+            import sisudoc.ocda.meta.metadoc_show_summary;
             spineMetaDocSummary!()(doc);
           }
           /+ ↓ debugs +/
           if (doc.matters.opt.action.show_metadata) {
-            import sisudoc.meta.metadoc_show_metadata;
+            import sisudoc.ocda.meta.metadoc_show_metadata;
             spineShowMetaData!()(doc.matters);
           }
           /+ ↓ debugs +/
           if (doc.matters.opt.action.show_make) {
-            import sisudoc.meta.metadoc_show_make;
+            import sisudoc.ocda.meta.metadoc_show_make;
             spineShowMake!()(doc.matters);
           }
           /+ ↓ debugs +/
           if (doc.matters.opt.action.show_config) {
-            import sisudoc.meta.metadoc_show_config;
+            import sisudoc.ocda.meta.metadoc_show_config;
             spineShowConfig!()(doc.matters);
           }
           /+ ↓ document abstraction text representation +/
           if (doc.matters.opt.action.show_abstraction) {
-            import sisudoc.abstraction.ssp;
+            import sisudoc.ocda.abstraction.ssp;
             spineAbstractionTxt!()(doc);
           }
           /+ ↓ document abstraction sqlite database +/
           if (doc.matters.opt.action.show_abstraction_db) {
-            import sisudoc.io_out.create_abstraction_db;
+            import sisudoc.outputs.io_out.create_abstraction_db;
             spineAbstractionDb!()(doc);
           }
           if (doc.matters.opt.action.curate) {
@@ -1415,32 +1415,32 @@ string program_name = "spine";
           }
           /+ ↓ debugs +/
           if (doc.matters.opt.action.show_summary) {
-            import sisudoc.meta.metadoc_show_summary;
+            import sisudoc.ocda.meta.metadoc_show_summary;
             spineMetaDocSummary!()(doc);
           }
           /+ ↓ debugs +/
           if (doc.matters.opt.action.show_metadata) {
-            import sisudoc.meta.metadoc_show_metadata;
+            import sisudoc.ocda.meta.metadoc_show_metadata;
             spineShowMetaData!()(doc.matters);
           }
           /+ ↓ debugs +/
           if (doc.matters.opt.action.show_make) {
-            import sisudoc.meta.metadoc_show_make;
+            import sisudoc.ocda.meta.metadoc_show_make;
             spineShowMake!()(doc.matters);
           }
           /+ ↓ debugs +/
           if (doc.matters.opt.action.show_config) {
-            import sisudoc.meta.metadoc_show_config;
+            import sisudoc.ocda.meta.metadoc_show_config;
             spineShowConfig!()(doc.matters);
           }
           /+ ↓ document abstraction text representation +/
           if (doc.matters.opt.action.show_abstraction) {
-            import sisudoc.abstraction.ssp;
+            import sisudoc.ocda.abstraction.ssp;
             spineAbstractionTxt!()(doc);
           }
           /+ ↓ document abstraction sqlite database +/
           if (doc.matters.opt.action.show_abstraction_db) {
-            import sisudoc.io_out.create_abstraction_db;
+            import sisudoc.outputs.io_out.create_abstraction_db;
             spineAbstractionDb!()(doc);
           }
           if (doc.matters.opt.action.curate) {
@@ -1499,7 +1499,7 @@ string program_name = "spine";
       spineMetaDocCuratesAuthors!()(hvst.curates, _make_and_meta_struct, _opt_action);
     }
     if (_opt_action.vox_gt_1) {
-      import sisudoc.io_out.paths_output;
+      import sisudoc.outputs.io_out.paths_output;
       auto out_pth = spinePathsHTML!()(_make_and_meta_struct.conf.output_path, "");
       if (_opt_action.curate_authors) {
         writeln("- ", out_pth.curate("authors.html"));