1 files changed, 26 insertions, 23 deletions

diff --git a/org/sdp.org b/org/sdp.org
index c745741..5dd7f45 100644
--- a/org/sdp.org
+++ b/org/sdp.org
@@ -23,7 +23,7 @@ struct Version {
   int minor;
   int patch;
 }
-enum ver = Version(0, 13, 2);
+enum ver = Version(0, 13, 3);
 #+END_SRC
 
 * 1. sdp (sisu document parser)                                         :sdp:
@@ -194,6 +194,7 @@ mixin outputHub;
 string[] fns_src;
 string flag_action;
 string arg_unrecognized;
+enum dAM { abstraction, matters }
 auto rgx = Rgx();
 #+END_SRC
 
@@ -377,8 +378,8 @@ auto t =
   SiSUabstraction!()(fn_src, _opt_action_bool, env);
 static assert(!isTypeTuple!(t));
 static assert(t.length==2);
-auto doc_abstraction = t[0];
-auto doc_matters = t[1];
+auto doc_abstraction = t[dAM.abstraction];
+auto doc_matters = t[dAM.matters];
 #+END_SRC
 
 *** 2. _output processing_ (post abstraction processing)
@@ -447,7 +448,9 @@ template SiSUabstraction() {
   <<imports_sdlang>>
   <<imports_std>>
   <<sdp_mixin>>
-  // <<sdp_conf_files>>
+  enum headBody { header, body_content, insert_filelist }
+  enum makeMeta { make, meta }
+  enum docAbst  { doc_abstraction, section_keys, segnames, images }
   auto rgx = Rgx();
   auto SiSUabstraction(Fn,O,E)(Fn fn_src, O opts, E env){
     <<sdp_conf_files>>
@@ -479,14 +482,14 @@ template SiSUabstraction() {
 #+BEGIN_SRC d
 /+ ↓ read file (filename with path) +/
 /+ ↓ file tuple of header and content +/
-auto _0_header_1_body_content_2_insert_filelist_tuple =
+auto _header_body_inserts =
   SiSUrawMarkupContent!()(fn_src);
-static assert(!isTypeTuple!(_0_header_1_body_content_2_insert_filelist_tuple));
-static assert(_0_header_1_body_content_2_insert_filelist_tuple.length==3);
+static assert(!isTypeTuple!(_header_body_inserts));
+static assert(_header_body_inserts.length==3);
 debug(header_and_body) {
   writeln(header);
-  writeln(_0_header_1_body_content_2_insert_filelist_tuple.length);
-  writeln(_0_header_1_body_content_2_insert_filelist_tuple.length[1][0]);
+  writeln(_header_body_inserts.length);
+  writeln(_header_body_inserts.length[headBody.body_content][0]);
 }
 #+END_SRC
 
@@ -506,10 +509,10 @@ debug(header_and_body) {
 #+NAME: sdp_each_file_do_split_sisu_markup_file_header_into_make_and_meta
 #+BEGIN_SRC d
 /+ ↓ split header into make and meta +/
-auto _0_make_1_dochead_meta_tuple =
-  SiSUheaderExtractHub!()(_0_header_1_body_content_2_insert_filelist_tuple[0], conf_doc_make_aa);
-static assert(!isTypeTuple!(_0_make_1_dochead_meta_tuple));
-static assert(_0_make_1_dochead_meta_tuple.length==2);
+auto _make_and_meta =
+  SiSUheaderExtractHub!()(_header_body_inserts[headBody.header], conf_doc_make_aa);
+static assert(!isTypeTuple!(_make_and_meta));
+static assert(_make_and_meta.length==2);
 #+END_SRC
 
 ** 3. _document abstraction, tuple_ (pre-processing)              :processing:
@@ -530,17 +533,17 @@ static assert(_0_make_1_dochead_meta_tuple.length==2);
 #+BEGIN_SRC d
 /+ ↓ document abstraction: process document, return abstraction as tuple +/
 auto da = SiSUdocAbstraction!()(
-  (_0_header_1_body_content_2_insert_filelist_tuple[1]),
-  (_0_make_1_dochead_meta_tuple[0]),
-  (_0_make_1_dochead_meta_tuple[1]),
+  (_header_body_inserts[headBody.body_content]),
+  (_make_and_meta[makeMeta.make]),
+  (_make_and_meta[makeMeta.meta]),
   opts
 );
 static assert(!isTypeTuple!(da));
 static assert(da.length==4);
-auto doc_abstraction = da[0]; // head ~ toc ~ body ~ endnotes_seg ~ glossary ~ bibliography ~ bookindex ~blurb;
-string[][string] _document_section_keys_sequenced = da[1];
-string[] _doc_html_segnames = da[2];
-auto _images = da[3];
+auto doc_abstraction = da[docAbst.doc_abstraction]; // head ~ toc ~ body ~ endnotes_seg ~ glossary ~ bibliography ~ bookindex ~blurb;
+string[][string] _document_section_keys_sequenced = da[docAbst.section_keys];
+string[] _doc_html_segnames = da[docAbst.segnames];
+auto _images = da[docAbst.images];
 #+END_SRC
 
 ** 4. _document matters_ (doc info gathered, various sources)
@@ -564,11 +567,11 @@ struct DocumentMatters {
     return _k;
   }
   auto dochead_make() {
-    string[string][string] _k = _0_make_1_dochead_meta_tuple[0];
+    string[string][string] _k = _make_and_meta[makeMeta.make];
     return _k;
   }
   auto dochead_meta() {
-    string[string][string] _k = _0_make_1_dochead_meta_tuple[1];
+    string[string][string] _k = _make_and_meta[makeMeta.meta];
     return _k;
   }
   auto source_filename() {
@@ -585,7 +588,7 @@ struct DocumentMatters {
     return _k;
   }
   auto file_insert_list() {
-    string[] _k = _0_header_1_body_content_2_insert_filelist_tuple[2];
+    string[] _k = _header_body_inserts[headBody.insert_filelist];
     return _k;
   }
   auto image_list() {