housekeeping, update/sync with project (nix, D)HEADmain

- remove ./.env/

16 files changed, 189 insertions, 507 deletions

diff --git a/.env/echo-nixNote b/.env/echo-nixNote
deleted file mode 100644
index 9115d60..0000000
--- a/.env/echo-nixNote
+++ /dev/null
@@ -1,239 +0,0 @@
-echo '-*- mode: org -*-
-
-* nixpkgs path?
-
-  # eval "$(nix print-dev-env)"
-' > nixNote_.org
-
-echo "  <nixpkgs> == `nix-instantiate --find-file nixpkgs`" >> nixNote_.org
-
-echo '
-* nix build and show derivation
-
-#+BEGIN_SRC sh
-nix-shell --pure
-
-nix-build
-nix build -f default.nix --print-build-logs
-nix shell -f default.nix --print-build-logs
-nix develop --build -f derivation.nix -I .envrc --print-build-logs
-
-nix-instantiate | nix-build
-
-nix-instantiate -I .envrc | nix-build -I .envrc
-nix build `nix-instantiate`
-nix build `nix-instantiate -I .envrc`
-
-nix develop
-
-nix-instantiate | nix show-derivation | jq
-nix-instantiate -I .envrc | nix show-derivation -f derivation.nix -I .envrc | jq
-
-nix-instantiate | nix show-derivation --recursive | jq
-nix-instantiate -I .envrc | nix show-derivation -f derivation.nix --recursive -I .envrc | jq
-
-nix search --json 2>/dev/null |jq
-#+END_SRC
-
-* version and build info
-
-#+BEGIN_SRC sh' >> nixNote_.org
-
-echo 'spine version (git) == $SpineVER' >> nixNote_.org
-echo "spine version (git) == $SpineVER" >> nixNote_.org
-echo 'nix-instantiate == `nix-instantiate`' >> nixNote_.org
-echo "nix-instantiate == `nix-instantiate`" >> nixNote_.org
-
-echo "#+END_SRC
-
-* initialised shell variables
-
-#+BEGIN_SRC sh
-SpineSRC=$SpineSRC
-SpineDOC=$SpineDOC
-SpinePOD=$SpinePOD
-SpineOUTversioned=$SpineOUTversioned
-SpineOUT=$SpineOUT
-#+END_SRC
-" >> nixNote_.org
-
-echo '* spine run instruction examples
-** parallelized tasks
-*** doc source
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --very-verbose --pod --source --output="$SpineOUTversioned" $SpinePOD/*
-#+END_SRC
-
-*** html & epub output
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --very-verbose --html --epub --output="$SpineOUTversioned" $SpinePOD/*
-#+END_SRC
-
-*** sqlite db for each document - populate each db
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --very-verbose --sqlite-discrete --output="$SpineOUTversioned" $SpinePOD/*
-#+END_SRC
-
-*** doc source; html, epub; sqlite outputs
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --verbose --pod --html --epub --sqlite-discrete --output="$SpineOUTversioned" $SpinePOD/*
-#+END_SRC
-
-*** curate (authors topics)
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --very-verbose --curate --output="$SpineOUTversioned" $SpinePOD/*
-#+END_SRC
-
-*** html, curate
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --verbose --dark --html --html-link-curate --curate --output="$SpineOUTversioned" $SpinePOD/*
-$SpineBIN/spine --very-verbose --html --html-link-curate --curate --output="$SpineOUTversioned" $SpinePOD/*
-#+END_SRC
-
-*** composite command: source pod, html, epub, curate, sqlite
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --verbose --dark --pod --epub --html --html-link-curate --curate --sqlite-discrete --output="$SpineOUTversioned" $SpinePOD/*
-#+END_SRC
-
-** sequential tasks
-*** sqlite db (shared) - create db
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --very-verbose --sqlite-db-create --output="$SpineOUTversioned"
-#+END_SRC
-
-*** sqlite db (shared) - populate db
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --very-verbose --sqlite-update --output="$SpineOUTversioned" $SpineDOC/sisudoc-spine-markup-samples/markup/pod/*
-#+END_SRC
-
-*** sqlite db (shared) - drop db
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --very-verbose --sqlite-db-drop --output="$SpineOUTversioned"
-#+END_SRC
-
-*** sqlite db (shared) - create & populate db (single step)
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --very-verbose --sqlite-db-create --sqlite-update --output="$SpineOUTversioned" $SpinePOD/*
-#+END_SRC
-
-*** composite command: source pod, html, epub, curate, sqlite
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --verbose --no-parallel --dark --pod --epub --html --html-link-curate --curate --sqlite-discrete --output="$SpineOUTversioned" $SpinePOD/*
-#+END_SRC
-
-** config [./pod/].dr/config_local_site
-
-#+BEGIN_SRC sh
-cat $SpinePOD/.dr/config_local_site
-$SpineBIN/spine --show-config $SpinePOD
-$SpineBIN/spine --show-config --output="$SpineOUTversioned" $SpinePOD
-#+END_SRC
-
-** cgi operations (output to $SpineOUT /var/www)
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --very-verbose --sqlite-db-create --output="$SpineOUT" $SpinePOD/*
-
-$SpineBIN/spine -v --cgi-search-form-codegen --output=$SpineOUT $SpinePOD/*
-
-$SpineBIN/spine -v --show-config --config=$SpinePOD/.dr
-
-$SpineBIN/spine --html $SpinePOD/*
-
-
-$SpineBIN/spine -v --cgi-search-form-codegen --config=$SpinePOD/.dr/config_local_site
-#+END_SRC
-
-*** generate html linked to search form
-
-#+BEGIN_SRC sh
-$SpineBIN/spine -v --html --html-link-search --html-link-curate --curate  --output=$SpineOUT $SpinePOD/*
-#+END_SRC
-
-*** create or re-create sql db (--sqlite-db-create or --sqlite-db-recreate)
-
-#+BEGIN_SRC sh
-$SpineBIN/spine -v --sqlite-db-create --sqlite-db-filename="" --sqlite-db-path="$SpineDBpath"
-$SpineBIN/spine -v --sqlite-db-recreate --sqlite-db-filename="" --sqlite-db-path="$SpineDBpath"
-#+END_SRC
-
-*** populate sqlite db
-
-#+BEGIN_SRC sh
-$SpineBIN/spine -v --sqlite-update --sqlite-db-filename="" --output=$SpineOUT $SpinePOD/*
-#+END_SRC
-
-*** generate html (linked to search form), sql output, curate COMPOSITE
-
-#+BEGIN_SRC sh
-$SpineBIN/spine -v --html --html-link-search --html-link-curate --curate --sqlite-update --sqlite-db-filename="" --cgi-sqlite-search-filename="" --sqlite-db-path="$SpineDBpath" --output="$SpineOUT" $SpinePOD/*
-$SpineBIN/spine --epub --html --html-link-search --html-link-curate --curate --sqlite-update --sqlite-db-filename="spine.search.db" --cgi-sqlite-search-filename="spine_search" --cgi-url-action="https://sisudoc.org/spine_search" --ouput="$SpineOUT" $SpinePOD/*
-#+END_SRC
-
-*** generate html (linked to search form), sql output, curate COMPOSITE with resource configuration
-
-if names and paths are configured in resource configuration file, e.g. $SpinePOD/.rc/config_local_site
-
-#+BEGIN_SRC sh
-$SpineBIN/spine -v --html --html-link-search --html-link-curate --curate --sqlite-update $SpinePOD/*
-#+END_SRC
-
-#+BEGIN_SRC yaml
-# sample resource configuration file ( $SpinePOD/.rc/config_local_site )
-output:
-  path:                        "/srv/www/spine"
-default:
-  language:                    "en"
-  papersize:                   "a4"
-  text_wrap:                   "80"
-  digest:                      "sha256"
-webserv:
-  http:                        "http"
-  domain:                      "localhost"
-  data_http:                   "http"
-  data_domain:                 "localhost"
-  data_root_url:               "https://sisudoc.org"
-  data_root_path:              "/srv/www/spine"
-  images_root_part:            "image"
-  cgi_search_form_title:       "≅ SiSU Spine search ፨"
-  cgi_http:                    "https"
-  cgi_domain:                  "sisudoc.org"
-  cgi_bin_url:                 "http://sisudoc.org/cgi-bin"
-  cgi_bin_part:                "cgi-bin"
-  cgi_bin_path:                "/var/www/cgi/cgi-bin"
-  cgi_search_script:           ""
-  cgi_action:                  "https://sisudoc.org/spine_search"
-  db_sqlite_filename:          ""
-  db_sqlite_path:              "/var/www/sqlite"
-#+END_SRC
-
-*** make search form
-
-#+BEGIN_SRC sh
-$SpineBIN/spine -v --cgi-search-form-codegen --config=$SpinePOD/.dr/config_local_site
-#+END_SRC
-
-*** latex
-
-#+BEGIN_SRC sh
-$SpineBIN/spine --latex --serial --output="$SpineOUT" $SpinePOD/*
-ls $SpineOutstatic/latex/*.tex
-#+END_SRC
-' >> nixNote_.org
-
-#cat nixNote_.org
-
-#echo "emacs nixNote_.org"
-#echo "cat nixNote_.org"
diff --git a/.env/nix-commands b/.env/nix-commands
deleted file mode 100644
index 8a16dbf..0000000
--- a/.env/nix-commands
+++ /dev/null
@@ -1,20 +0,0 @@
-- nix flake update && nix flake check --show-trace && nix flake show && nix develop .#devShell
-
-- nix build ".#default" --print-build-logs
-- nix build ".#spine-dmd" --print-build-logs
-- nix build ".#spine-ldc" --print-build-logs
-- nix build ".#spine-gdc" --print-build-logs
-
-- nix develop
-  - nix develop ".#devShell" --print-build-logs
-  - nix develop ".#devShell-html" --print-build-logs
-  - nix develop ".#devShell-epub" --print-build-logs
-  - nix develop ".#devShell-latex-pdf" --print-build-logs
-  - nix develop ".#devShell-sqlite" --print-build-logs
-  - nix develop ".#devShell-i18n" --print-build-logs
-
-nix run .#default --print-build-logs
-
-nix develop --build ".#default" --print-build-logs
-
-nix-shell '<nixpkgs>' -A nix --pure
diff --git a/.envrc-local b/.envrc-local
index 74e98e0..8f0dbb3 100644
--- a/.envrc-local
+++ b/.envrc-local
@@ -1,12 +1,10 @@
 export SpineBIN=./result/bin/spine
 # ❯❯ nix builds spine binary:
 #export SpineBIN=./result/bin/spine
-# ❯❯ if from ../sisudoc-spine on directory tree nix build
-#export SpineBIN=../sisudoc-spine/result/bin/spine
-# ❯❯ dub builds spine binary (name depends on build, check):
-#export SpineBIN=../sisudoc-spine/bin/spine
-#export SpineBIN=../sisudoc-spine/bin/spine-ldc
-#export SpineBIN=../sisudoc-spine/bin/spine-dmd
+# ❯❯ dub builds spine binary (name depends on build, check, not available here):
+#export SpineBIN=./bin/spine
+#export SpineBIN=./bin/spine-ldc
+#export SpineBIN=./bin/spine-dmd
 # ❯❯ location of source files:
 export SpineDOC=.
 # ❯❯ location of source files pod:
diff --git a/.envrc-local_ b/.envrc-local_
index 74e98e0..8f0dbb3 100644
--- a/.envrc-local_
+++ b/.envrc-local_
@@ -1,12 +1,10 @@
 export SpineBIN=./result/bin/spine
 # ❯❯ nix builds spine binary:
 #export SpineBIN=./result/bin/spine
-# ❯❯ if from ../sisudoc-spine on directory tree nix build
-#export SpineBIN=../sisudoc-spine/result/bin/spine
-# ❯❯ dub builds spine binary (name depends on build, check):
-#export SpineBIN=../sisudoc-spine/bin/spine
-#export SpineBIN=../sisudoc-spine/bin/spine-ldc
-#export SpineBIN=../sisudoc-spine/bin/spine-dmd
+# ❯❯ dub builds spine binary (name depends on build, check, not available here):
+#export SpineBIN=./bin/spine
+#export SpineBIN=./bin/spine-ldc
+#export SpineBIN=./bin/spine-dmd
 # ❯❯ location of source files:
 export SpineDOC=.
 # ❯❯ location of source files pod:
diff --git a/.envrc-nix b/.envrc-nix
index 00c303a..671458e 100644
--- a/.envrc-nix
+++ b/.envrc-nix
@@ -1,7 +1,7 @@
 NIX_ENFORCE_PURITY=1
 # - https://github.com/nix-community/nix-direnv
-NixDirEnvVersion="3.0.6"
-NixDirEnvSHA="sha256-RYcUJaRMf8oF5LznDrlCXbkOQrywm0HDv1VjYGaJGdM="
+NixDirEnvVersion="3.0.7"
+NixDirEnvSHA="sha256-bn8WANE5a91RusFmRI7kS751ApelG02nMcwRekC/qzc="
 if ! has nix_direnv_version || ! nix_direnv_version ${NixDirEnvVersion}; then
   source_url "https://raw.githubusercontent.com/nix-community/nix-direnv/${NixDirEnvVersion}/direnvrc" "${NixDirEnvSHA}"
 fi
@@ -23,26 +23,26 @@ echo '
 • for a dev shell (development environment):
   • nix develop
     ❯❯ nix develop ".#" --print-build-logs -c zsh
-  • nix develop using nixpkgs
+  • nix develop some specialized shells (tools)
     ❯❯ nix develop ".#dsh-epub" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-html" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-i18n" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-latex-pdf" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-spine" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-sqlite" --print-build-logs -c zsh
-  • nix develop using package overlays: (dmd, ldc, dub)
-    ❯❯ nix develop ".#dsh" --print-build-logs -c zsh
+  • nix develop using nixpkgs
+    ❯❯ nix develop ".#dsh-nixpkgs-dmd" --print-build-logs -c zsh
+    ❯❯ nix develop ".#dsh-nixpkgs-ldc" --print-build-logs -c zsh
+  • nix develop using package overlays: (dmd-2.111.0, ldc-1.41.0, dub-1.39.0, dtools-2.110.0)
     ❯❯ nix develop ".#dsh-overlay-dmd" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-overlay-ldc" --print-build-logs -c zsh
-  ❯❯ nix flake show
+  • for more nix develop specialized shells
+    ❯❯ nix flake show
 
 • to build project:
-
-  ❯❯ nix build --print-build-logs
-  ❯❯ nix build ".#" --print-build-logs
-
-• to build project:
-  • nix build using nixpkgs
+  • nix flake set default
+    ❯❯ nix build --print-build-logs
+    ❯❯ nix build ".#" --print-build-logs
     ❯❯ nix build ".#spine-nixpkgs-dmd" --print-build-logs
     ❯❯ nix build ".#spine-nixpkgs-ldc" --print-build-logs
   • nix build using package overlays: (dmd, ldc, dub, dtools)
@@ -64,8 +64,7 @@ echo '
 
   ❯❯ ${SpineBIN} -v --source --pod --epub --html --html-link-curate --html-link-markup --curate --output=${SpineOUT} ${SpinePOD}/*
   ❯❯ ${SpineBIN} -v --source --pod --latex --latex-init --epub --html --html-link-pdf --html-link-curate --html-link-markup --curate --output=${SpineOUT} ${SpinePOD}/*
+
+  ❯❯ ${SpineBIN} -v --sqlite-db-create --sqlite-db-filename=${SpineSQLdb} --sqlite-db-path=./_tmp-db
+  ❯❯ ${SpineBIN} -v --sqlite-update --sqlite-db-filename=${SpineSQLdb} --sqlite-db-path=./_tmp-db ./markup/pod/*
 '
-echo "•
-  ❯❯ ${SpineBIN} -v --source --pod --epub --html --html-link-curate --html-link-markup --curate --output=${SpineOUT} ${SpinePOD}/*
-  ❯❯ ${SpineBIN} -v --source --pod --latex --latex-init --epub --html --html-link-pdf --html-link-curate --html-link-markup --curate --output=${SpineOUT} ${SpinePOD}/*
-"
diff --git a/.gitignore b/.gitignore
index d87c953..35596c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,10 +14,8 @@
 !.envrc-local
 !.envrc-nix
 !.envrc-git-init
-!.env
-!.env/**
-!README
 !README.md
+!README
 !COPYRIGHT
 !CHANGELOG
 !makefile
@@ -25,6 +23,8 @@
 !configuration.txt
 !*.json
 !*.sdl
+!*.md
+!*.txt
 !tangle
 !*.org
 !org
@@ -74,15 +74,18 @@
 **/.dub/**
 tmp/**
 *_.org
+*_.md
+*_.txt
+*_.json
 *_.nix
 *_.d
 *_.txt
 *_
-!.envrc-local_
 *.swp
 *~
 \#*
 *.\#*
+!.envrc-local_
 #!*/
 #\#*
 #*.\#*
diff --git a/derivation.nix b/derivation.nix
index 9bbb7f4..8f0364a 100644
--- a/derivation.nix
+++ b/derivation.nix
@@ -59,7 +59,7 @@ with (
                 exit "Error: could not find D compiler"
               fi
               echo "$DC_ used as D compiler to build $pname"
-              dub run --compiler=$DC --build=release --combined --skip-registry=all
+              dub build --compiler=$DC --build=release --combined --skip-registry=all
               runHook postBuild
             '';
             checkPhase = ''
diff --git a/devenv.nix b/devenv.nix
index 2c65e46..6206346 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -10,7 +10,7 @@ with pkgs;
       # ❯❯❯ nix_related
       #nix # if not on NixOS, this is needed
       direnv
-      nixVersions.latest #nixVersions.latest #nixVersions.git
+      nixVersions.latest #nixVersions.latest #nixVersions.git #nixVersions.nix_2_29 #nixVersions.nix_2_29
       nix-prefetch-git
       validatePkgConfig
       nix-output-monitor
@@ -21,7 +21,6 @@ with pkgs;
       # ❯❯❯ dev
       gnumake
       ps
-      dtools
       # ❯❯❯ d_build_related
       # ❯❯ package manager
       dub
diff --git a/flake.lock b/flake.lock
index 2bc9b91..9014853 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,12 +1,32 @@
 {
   "nodes": {
+    "d-overlay": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1749310555,
+        "narHash": "sha256-QRkhrRy6wLBBjSlVTQgjoCsiL5HUJa/nPAOGoNmAkzw=",
+        "ref": "refs/heads/main",
+        "rev": "03160d6114c3fb835b079f20797dac6b88ab5cbc",
+        "revCount": 22,
+        "type": "git",
+        "url": "git://git.sisudoc.org/package/dlang-nix-overlays-and-flake"
+      },
+      "original": {
+        "type": "git",
+        "url": "git://git.sisudoc.org/package/dlang-nix-overlays-and-flake"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1744536153,
-        "narHash": "sha256-awS2zRgF4uTwrOKwwiJcByDzDOdo3Q1rPZbiHQg/N38=",
+        "lastModified": 1749401433,
+        "narHash": "sha256-HXIQzULIG/MEUW2Q/Ss47oE3QrjxvpUX7gUl4Xp6lnc=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "18dd725c29603f582cf1900e0d25f9f1063dbf11",
+        "rev": "08fcb0dcb59df0344652b38ea6326a2d8271baff",
         "type": "github"
       },
       "original": {
@@ -18,31 +38,11 @@
     },
     "root": {
       "inputs": {
+        "d-overlay": "d-overlay",
         "nixpkgs": "nixpkgs",
-        "sisudoc-d-overlay": "sisudoc-d-overlay",
         "spine": "spine"
       }
     },
-    "sisudoc-d-overlay": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1745018821,
-        "narHash": "sha256-eCkrJgGghQwT5Yp23wvAHKghGdb9S7tXR7+vv13/XTI=",
-        "ref": "refs/heads/main",
-        "rev": "c94ef3f0f8f379112c08f27edc623d637fd512de",
-        "revCount": 21,
-        "type": "git",
-        "url": "git://git.sisudoc.org/package/dlang-nix-overlays-and-flake"
-      },
-      "original": {
-        "type": "git",
-        "url": "git://git.sisudoc.org/package/dlang-nix-overlays-and-flake"
-      }
-    },
     "spine": {
       "inputs": {
         "nixpkgs": [
@@ -50,11 +50,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1745020582,
-        "narHash": "sha256-jlITgkxR6IRsXSQOW3LphzqmTv10cKKjTwgNAXUDyKA=",
+        "lastModified": 1749307805,
+        "narHash": "sha256-N0TlfLqjXapQEuvrGeUq0NEvbXAXlCQgk8P5v2K/aBc=",
         "ref": "refs/heads/main",
-        "rev": "85447aadf685dcb8c2d86f0e36c82d7f5bc18907",
-        "revCount": 680,
+        "rev": "311d82d0f73e60e537f7c2f2f535586945ce0e06",
+        "revCount": 681,
         "type": "git",
         "url": "git://git.sisudoc.org/software/sisudoc-spine"
       },
diff --git a/flake.nix b/flake.nix
index 70b61ef..a927b24 100644
--- a/flake.nix
+++ b/flake.nix
@@ -6,12 +6,7 @@
     inputs.nixpkgs.follows = "nixpkgs";
     flake = true;
   };
-  #inputs.spine-search-cgi = { # issue, to make usable needs local configuration on build, so, not practical to implement like so
-  #  url = "git://git.sisudoc.org/software/sisudoc-spine-search-cgi";
-  #  inputs.nixpkgs.follows = "nixpkgs";
-  #  flake = true;
-  #};
-  inputs.sisudoc-d-overlay = {
+  inputs.d-overlay = {
     url = "git://git.sisudoc.org/package/dlang-nix-overlays-and-flake";
     inputs.nixpkgs.follows = "nixpkgs";
     flake = true;
@@ -20,10 +15,9 @@
     self,
     nixpkgs,
     spine,
-    #spine-search-cgi,
-    sisudoc-d-overlay,
+    d-overlay,
     ...
-  }@inputs: let
+  } @ inputs: let
     version = "0.18.0";
     shell = ./shell.nix;
     devEnv = ./nixDevEnv.sh;
@@ -36,13 +30,9 @@
     in {
       default = spine.packages.${system}.default;
       spine-nixpkgs-dmd = spine.packages.${system}.spine-nixpkgs-dmd;
-      spine-nixpkgs-ldc = spine.packages.${system}.spine-nixpkgs-ldc;
       spine-overlay-dmd = spine.packages.${system}.spine-overlay-dmd;
+      spine-nixpkgs-ldc = spine.packages.${system}.spine-nixpkgs-ldc;
       spine-overlay-ldc = spine.packages.${system}.spine-overlay-ldc;
-      #spine-search-cgi-nixpkgs-dmd = spine-search-cgi.packages.${system}.spine-search-nixpkgs-dmd; # issue, to make usable needs local configuration on build
-      #spine-search-cgi-nixpkgs-ldc = spine-search-cgi.packages.${system}.spine-search-nixpkgs-ldc; # issue, to make usable needs local configuration on build
-      #spine-search-cgi-overlay-dmd = spine-search-cgi.packages.${system}.spine-search-overlay-dmd; # issue, to make usable needs local configuration on build
-      #spine-search-cgi-overlay-ldc = spine-search-cgi.packages.${system}.spine-search-overlay-ldc; # issue, to make usable needs local configuration on build
       #vendorSha256 = "sha256-0Q00000000000000000000000000000000000000000=";
     });
     apps = forAllSystems (system: {
@@ -54,9 +44,9 @@
     devShells = forAllSystems (system: let
       pkgs = nixpkgsFor.${system};
       shellHook = ''
+        export DFLAGS="-O2 -boundscheck=on"
         export Date=`date "+%Y%m%d"`
         ## set local values in .envrc-local (or here if you must)
-        echo "  ❯❯ ./result/bin/spine -v --source --pod --epub --html --html-link-pdf --html-link-curate --html-link-markup --curate --output=./OUTPUT_TEST_sisudocSpine ./markup/pod/*";
       '';
     in
       with pkgs; {
@@ -74,10 +64,10 @@
           inherit shellHook;
         };
         dsh-spine = spine.devShells.${system}.default;
-        dsh-overlay-dmd = sisudoc-d-overlay.devShells.${system}.dsh-overlay-dmd-dub;
-        dsh-nixpkgs-dmd = sisudoc-d-overlay.devShells.${system}.dsh-nixpkgs-dmd-dub;
-        dsh-overlay-ldc = sisudoc-d-overlay.devShells.${system}.dsh-overlay-ldc-dub;
-        dsh-nixpkgs-ldc = sisudoc-d-overlay.devShells.${system}.dsh-nixpkgs-ldc-dub;
+        dsh-overlay-dmd = d-overlay.devShells.${system}.dsh-overlay-dmd-dub;
+        dsh-nixpkgs-dmd = d-overlay.devShells.${system}.dsh-nixpkgs-dmd-dub;
+        dsh-overlay-ldc = d-overlay.devShells.${system}.dsh-overlay-ldc-dub;
+        dsh-nixpkgs-ldc = d-overlay.devShells.${system}.dsh-nixpkgs-ldc-dub;
         dsh-epub = mkShell {
           name = "spine-0.18.0 dev shell for epub output";
           inherit shell;
@@ -86,7 +76,6 @@
             ldc
             #dmd
             dub
-            dtools
             gnumake
             sqlite
             libxml2
@@ -115,7 +104,6 @@
             ldc
             #dmd
             dub
-            dtools
             gnumake
             sqlite
             # ❯❯ text-mode web browsers
@@ -136,13 +124,11 @@
             ldc
             #dmd
             dub
-            dtools
             gnumake
             source-sans-pro
             source-serif-pro
             source-code-pro
-            texliveFull
-            #texlive.combined.scheme-full
+            texlive.combined.scheme-full
           ];
           inherit shellHook;
         };
@@ -154,7 +140,6 @@
             ldc
             #dmd
             dub
-            dtools
             gnumake
             sqlite
           ];
@@ -168,7 +153,6 @@
             ldc
             #dmd
             dub
-            dtools
             gnumake
             sqlite
             perl538Packages.Po4a
diff --git a/markup/sisudoc-spine-bespoke-output/html/homepage.index.html b/markup/sisudoc-spine-bespoke-output/html/homepage.index.html
index ddb3553..adf34f1 100644
--- a/markup/sisudoc-spine-bespoke-output/html/homepage.index.html
+++ b/markup/sisudoc-spine-bespoke-output/html/homepage.index.html
@@ -588,12 +588,14 @@ ralph.amissah www since 1993 ;-)
     [ <a href="https://discourse.nixos.org/t/nixos-foundation-board-giving-power-to-the-community/44552/">
       NixOS Foundation board: Giving power to the community
     </a> ]<br>
+<!--
     [ <a href="https://aux.computer/">
         Aux - aux.computer - a community fork of nix (under deliberation), billed as "An alternative to the Nix ecosystem"
     </a> ]
     [ <a href="https://forum.aux.computer/">
         community discussion (discourse)
     </a> ]<br>
+-->
     Gnu [ <a href="https://guix.gnu.org/">
         Guix
     </a> ]
diff --git a/org/config_env.org b/org/config_env.org
index e376bb0..6e8cbb1 100644
--- a/org/config_env.org
+++ b/org/config_env.org
@@ -79,26 +79,26 @@ echo '
 • for a dev shell (development environment):
   • nix develop
     ❯❯ nix develop ".#" --print-build-logs -c zsh
-  • nix develop using nixpkgs
+  • nix develop some specialized shells (tools)
     ❯❯ nix develop ".#dsh-epub" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-html" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-i18n" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-latex-pdf" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-spine" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-sqlite" --print-build-logs -c zsh
-  • nix develop using package overlays: (dmd, ldc, dub)
-    ❯❯ nix develop ".#dsh" --print-build-logs -c zsh
+  • nix develop using nixpkgs
+    ❯❯ nix develop ".#dsh-nixpkgs-dmd" --print-build-logs -c zsh
+    ❯❯ nix develop ".#dsh-nixpkgs-ldc" --print-build-logs -c zsh
+  • nix develop using package overlays: (dmd-<<dmd_version>>, ldc-<<ldc_version>>, dub-<<dub_version>>, dtools-<<dtools_version>>)
     ❯❯ nix develop ".#dsh-overlay-dmd" --print-build-logs -c zsh
     ❯❯ nix develop ".#dsh-overlay-ldc" --print-build-logs -c zsh
-  ❯❯ nix flake show
-
-• to build project:
-
-  ❯❯ nix build --print-build-logs
-  ❯❯ nix build ".#" --print-build-logs
+  • for more nix develop specialized shells
+    ❯❯ nix flake show
 
 • to build project:
-  • nix build using nixpkgs
+  • nix flake set default
+    ❯❯ nix build --print-build-logs
+    ❯❯ nix build ".#" --print-build-logs
     ❯❯ nix build ".#spine-nixpkgs-dmd" --print-build-logs
     ❯❯ nix build ".#spine-nixpkgs-ldc" --print-build-logs
   • nix build using package overlays: (dmd, ldc, dub, dtools)
@@ -120,10 +120,18 @@ echo '
 
   ❯❯ ${SpineBIN} -v --source --pod --epub --html --html-link-curate --html-link-markup --curate --output=${SpineOUT} ${SpinePOD}/*
   ❯❯ ${SpineBIN} -v --source --pod --latex --latex-init --epub --html --html-link-pdf --html-link-curate --html-link-markup --curate --output=${SpineOUT} ${SpinePOD}/*
+
+  ❯❯ ${SpineBIN} -v --sqlite-db-create --sqlite-db-filename=${SpineSQLdb} --sqlite-db-path=./_tmp-db
+  ❯❯ ${SpineBIN} -v --sqlite-update --sqlite-db-filename=${SpineSQLdb} --sqlite-db-path=./_tmp-db ./markup/pod/*
 '
+#+END_SRC
+
+#+BEGIN_SRC shell
 echo "•
   ❯❯ ${SpineBIN} -v --source --pod --epub --html --html-link-curate --html-link-markup --curate --output=${SpineOUT} ${SpinePOD}/*
   ❯❯ ${SpineBIN} -v --source --pod --latex --latex-init --epub --html --html-link-pdf --html-link-curate --html-link-markup --curate --output=${SpineOUT} ${SpinePOD}/*
+  ❯❯ spine --very-verbose --sqlite-db-create --sqlite-db-filename=spine.search.db --sqlite-db-path=./_tmp-db
+  ❯❯ spine -v --html --epub --latex --sqlite-update --sqlite-db-filename=spine.search.db --sqlite-db-path=./tmp-db ./markup/pod/*
 "
 #+END_SRC
 
@@ -148,12 +156,10 @@ fi
 export SpineBIN=./result/bin/spine
 # ❯❯ nix builds spine binary:
 #export SpineBIN=./result/bin/spine
-# ❯❯ if from ../sisudoc-spine on directory tree nix build
-#export SpineBIN=../sisudoc-spine/result/bin/spine
-# ❯❯ dub builds spine binary (name depends on build, check):
-#export SpineBIN=../sisudoc-spine/bin/spine
-#export SpineBIN=../sisudoc-spine/bin/spine-ldc
-#export SpineBIN=../sisudoc-spine/bin/spine-dmd
+# ❯❯ dub builds spine binary (name depends on build, check, not available here):
+#export SpineBIN=./bin/spine
+#export SpineBIN=./bin/spine-ldc
+#export SpineBIN=./bin/spine-dmd
 # ❯❯ location of source files:
 export SpineDOC=.
 # ❯❯ location of source files pod:
diff --git a/org/config_git.org b/org/config_git.org
index 9622e4e..4420641 100644
--- a/org/config_git.org
+++ b/org/config_git.org
@@ -4,7 +4,7 @@
 #+FILETAGS:    :spine:hub:
 #+AUTHOR:      Ralph Amissah
 #+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2024 Ralph Amissah
+#+COPYRIGHT:   Copyright (C) 2015 - 2025 Ralph Amissah
 #+LANGUAGE:    en
 #+STARTUP:     content hideblocks hidestars noindent entitiespretty
 #+PROPERTY:    header-args  :exports code
@@ -19,7 +19,7 @@
 ** .gitignore :gitignore:
 
 #+HEADER: :tangle "../.gitignore"
-#+BEGIN_SRC sh
+#+BEGIN_SRC gitignore
 # git ls-files --others --exclude-from=.git/info/exclude
 # git check-ignore -v flake.lock
 # git clean -ix
@@ -36,10 +36,8 @@
 !.envrc-local
 !.envrc-nix
 !.envrc-git-init
-!.env
-!.env/**
-!README
 !README.md
+!README
 !COPYRIGHT
 !CHANGELOG
 !makefile
@@ -47,6 +45,8 @@
 !configuration.txt
 !*.json
 !*.sdl
+!*.md
+!*.txt
 !tangle
 !*.org
 !org
@@ -96,119 +96,28 @@
 ,**/.dub/**
 tmp/**
 ,*_.org
+,*_.md
+,*_.txt
+,*_.json
 ,*_.nix
 ,*_.d
 ,*_.txt
 ,*_
-!.envrc-local_
 ,*.swp
 ,*~
 \#*
 ,*.\#*
+!.envrc-local_
 #!*/
 #\#*
 #*.\#*
 #.reggae/**
 #+END_SRC
 
-** markup/.gitignore (redundant) :gitignore:
-
-#+HEADER: :tangle "../markup/.gitignore"
-#+BEGIN_SRC sh
-# git ls-files --others --exclude-from=.git/info/exclude
-# git check-ignore -v flake.lock
-# git clean -ix
-# find . -name "*_" | xargs rm -rf
-# find . -name "*.o" | xargs rm -rf
-,*
-!.gitignore
-!COPYRIGHT
-!README
-!README.md
-!shell.nix
-!packages.nix
-!version.txt
-!pod/
-!pod/.dr/config_local_site
-# pod.manifest
-!pod/*/
-!pod/*/pod.manifest
-# conf/document_make
-!pod/*/conf/
-!pod/*/conf/document_make
-# media/text
-!pod/*/media/
-!pod/*/media/text/
-!pod/*/media/text/*/
-!pod/*/media/text/*/*.sst
-!pod/*/media/text/*/*.ssm
-!pod/*/media/text/*/*.ssi
-!pod/*/media/text/*/index.html.in
-# media/image
-!pod/*/media/image/
-!pod/*/media/image/*.png
-!pod/*/media/image/*.jpg
-!pod/*/media/image/*.PNG
-!pod/*/media/image/*.JPG
-# tools/po4a
-!pod/*/tools/
-!pod/*/tools/Makefile
-!pod/*/tools/bin/
-!pod/*/tools/bin/*.sh
-!pod/*/tools/po4a/
-!pod/*/tools/po4a/pot/
-!pod/*/tools/po4a/pot/*.sst.pot
-!pod/*/tools/po4a/pot/*.ssm.pot
-!pod/*/tools/po4a/pot/*.ssi.pot
-!pod/*/tools/po4a/pot/index.html.in.pot
-!pod/*/tools/po4a/po/
-!pod/*/tools/po4a/po/*/
-!pod/*/tools/po4a/po/*/*.sst.po
-!pod/*/tools/po4a/po/*/*.ssm.po
-!pod/*/tools/po4a/po/*/*.ssi.po
-!pod/*/tools/po4a/po/*/index.html.in.po
-!pod/.dr
-!pod/.dr/*
-# separate from media/text use tools
-!pod/*/media/text/Makefile
-!pod/*/media/text/bin/
-!pod/*/media/text/bin/*.sh
-!pod/*/media/text/pot/
-!pod/*/media/text/pot/*.sst.pot
-!pod/*/media/text/pot/*.ssm.pot
-!pod/*/media/text/pot/*.ssi.pot
-!pod/*/media/text/pot/index.html.in.pot
-!pod/*/media/text/po/
-!pod/*/media/text/po/*/
-!pod/*/media/text/po/*/*.sst.po
-!pod/*/media/text/po/*/*.ssm.po
-!pod/*/media/text/po/*/*.ssi.po
-!pod/*/media/text/po/*/index.html.in.po
-!non-pod-samples/
-!non-pod-samples/*.sst
-!non-pod-samples/image/
-!non-pod-samples/image/*.png
-!non-pod-samples/image/*.jpg
-!non-pod-samples/image/*.PNG
-!non-pod-samples/image/*.JPG
-!sisudoc-spine-bespoke-output/
-!sisudoc-spine-bespoke-output/**
-# skip
-.dub/**
-tmp/**
-,*_.org
-,*_.d
-,*_.txt
-,*_
-,*~
-\#*
-,*.\#*
-#+END_SRC
-
 ** .gitattributes :gitattributes:
 
 #+HEADER: :tangle "../.gitattributes"
-#+BEGIN_SRC sh
+#+BEGIN_SRC gitattributes
 /org export-ignore
 .gitattributes export-ignore
 /.dub export-ignore
diff --git a/org/config_nix.org b/org/config_nix.org
index 88d61bf..a6d4360 100644
--- a/org/config_nix.org
+++ b/org/config_nix.org
@@ -31,12 +31,7 @@
     inputs.nixpkgs.follows = "nixpkgs";
     flake = true;
   };
-  #inputs.spine-search-cgi = { # issue, to make usable needs local configuration on build, so, not practical to implement like so
-  #  url = "git://git.sisudoc.org/software/sisudoc-spine-search-cgi";
-  #  inputs.nixpkgs.follows = "nixpkgs";
-  #  flake = true;
-  #};
-  inputs.sisudoc-d-overlay = {
+  inputs.d-overlay = {
     url = "<<sisudoc_dlang_nix_overlay_src>>";
     inputs.nixpkgs.follows = "nixpkgs";
     flake = true;
@@ -45,10 +40,9 @@
     self,
     nixpkgs,
     spine,
-    #spine-search-cgi,
-    sisudoc-d-overlay,
+    d-overlay,
     ...
-  }@inputs: let
+  } @ inputs: let
     version = "<<spine_version>>";
     shell = ./shell.nix;
     devEnv = ./nixDevEnv.sh;
@@ -61,13 +55,9 @@
     in {
       default = spine.packages.${system}.default;
       spine-nixpkgs-dmd = spine.packages.${system}.spine-nixpkgs-dmd;
-      spine-nixpkgs-ldc = spine.packages.${system}.spine-nixpkgs-ldc;
       spine-overlay-dmd = spine.packages.${system}.spine-overlay-dmd;
+      spine-nixpkgs-ldc = spine.packages.${system}.spine-nixpkgs-ldc;
       spine-overlay-ldc = spine.packages.${system}.spine-overlay-ldc;
-      #spine-search-cgi-nixpkgs-dmd = spine-search-cgi.packages.${system}.spine-search-nixpkgs-dmd; # issue, to make usable needs local configuration on build
-      #spine-search-cgi-nixpkgs-ldc = spine-search-cgi.packages.${system}.spine-search-nixpkgs-ldc; # issue, to make usable needs local configuration on build
-      #spine-search-cgi-overlay-dmd = spine-search-cgi.packages.${system}.spine-search-overlay-dmd; # issue, to make usable needs local configuration on build
-      #spine-search-cgi-overlay-ldc = spine-search-cgi.packages.${system}.spine-search-overlay-ldc; # issue, to make usable needs local configuration on build
       #vendorSha256 = "sha256-0Q00000000000000000000000000000000000000000=";
     });
     apps = forAllSystems (system: {
@@ -79,9 +69,9 @@
     devShells = forAllSystems (system: let
       pkgs = nixpkgsFor.${system};
       shellHook = ''
+        export DFLAGS="-O2 -boundscheck=on"
         export Date=`date "+%Y%m%d"`
         ## set local values in .envrc-local (or here if you must)
-        echo "  ❯❯ ./result/bin/spine -v --source --pod --epub --html --html-link-pdf --html-link-curate --html-link-markup --curate --output=./OUTPUT_TEST_sisudocSpine ./markup/pod/*";
       '';
     in
       with pkgs; {
@@ -99,10 +89,10 @@
           inherit shellHook;
         };
         dsh-spine = spine.devShells.${system}.default;
-        dsh-overlay-dmd = sisudoc-d-overlay.devShells.${system}.dsh-overlay-dmd-dub;
-        dsh-nixpkgs-dmd = sisudoc-d-overlay.devShells.${system}.dsh-nixpkgs-dmd-dub;
-        dsh-overlay-ldc = sisudoc-d-overlay.devShells.${system}.dsh-overlay-ldc-dub;
-        dsh-nixpkgs-ldc = sisudoc-d-overlay.devShells.${system}.dsh-nixpkgs-ldc-dub;
+        dsh-overlay-dmd = d-overlay.devShells.${system}.dsh-overlay-dmd-dub;
+        dsh-nixpkgs-dmd = d-overlay.devShells.${system}.dsh-nixpkgs-dmd-dub;
+        dsh-overlay-ldc = d-overlay.devShells.${system}.dsh-overlay-ldc-dub;
+        dsh-nixpkgs-ldc = d-overlay.devShells.${system}.dsh-nixpkgs-ldc-dub;
         dsh-epub = mkShell {
           name = "spine-<<spine_version>> dev shell for epub output";
           inherit shell;
@@ -111,7 +101,6 @@
             ldc
             #dmd
             dub
-            dtools
             gnumake
             sqlite
             libxml2
@@ -140,7 +129,6 @@
             ldc
             #dmd
             dub
-            dtools
             gnumake
             sqlite
             # ❯❯ text-mode web browsers
@@ -161,13 +149,11 @@
             ldc
             #dmd
             dub
-            dtools
             gnumake
             source-sans-pro
             source-serif-pro
             source-code-pro
-            texliveFull
-            #texlive.combined.scheme-full
+            texlive.combined.scheme-full
           ];
           inherit shellHook;
         };
@@ -179,7 +165,6 @@
             ldc
             #dmd
             dub
-            dtools
             gnumake
             sqlite
           ];
@@ -193,7 +178,6 @@
             ldc
             #dmd
             dub
-            dtools
             gnumake
             sqlite
             perl538Packages.Po4a
@@ -302,7 +286,7 @@ with pkgs;
       # ❯❯❯ nix_related
       #nix # if not on NixOS, this is needed
       direnv
-      nixVersions.latest #nixVersions.latest #nixVersions.git
+      nixVersions.latest #nixVersions.latest #nixVersions.git #nixVersions.nix_2_29 #nixVersions.nix_2_29
       nix-prefetch-git
       validatePkgConfig
       nix-output-monitor
@@ -313,7 +297,6 @@ with pkgs;
       # ❯❯❯ dev
       gnumake
       ps
-      dtools
       # ❯❯❯ d_build_related
       # ❯❯ package manager
       dub
@@ -406,7 +389,7 @@ with (
                 exit "Error: could not find D compiler"
               fi
               echo "$DC_ used as D compiler to build $pname"
-              dub run --compiler=$DC --build=release --combined --skip-registry=all
+              dub build --compiler=$DC --build=release --combined --skip-registry=all
               runHook postBuild
             '';
             checkPhase = ''
@@ -485,7 +468,7 @@ file://<<spine_tarball_path>>/<<spine_tarball_filename>>
 #+END_SRC
 
 #+NAME: nixpkgs_local
-#+BEGIN_SRC sh
+#+BEGIN_SRC shell
 /srv/nixpkgs-dev/nixpkgs
 #+END_SRC
 
diff --git a/org/nix-develop-dlang-shared.org b/org/nix-develop-dlang-shared.org
index 1d8fe34..2a2f66d 100644
--- a/org/nix-develop-dlang-shared.org
+++ b/org/nix-develop-dlang-shared.org
@@ -17,20 +17,51 @@
 
 * nix
 ** direnv
+*** NOTES to update direnv in .envrc-nix
+
+- https://github.com/nix-community/nix-direnv
+
+check for latest version:
+
+- https://github.com/nix-community/nix-direnv/releases
+
+update direnv version and sha hash:
+- emacs org/nix-develop-dlang-shared.org
+
+re-tangle file:
+
+- emacs org/config_env.org
+  updates: .envrc-nix
+
+update flake.lock:
+- nix flake update && nix flake check && nix flake show
+
 *** version SET
 
 #+NAME: direnv-version
 #+BEGIN_SRC org
-<<direnv_version_3_0_6>>
+<<direnv_version_3_0_7>>
 #+END_SRC
 
 #+NAME: direnv-hash
 #+BEGIN_SRC org
-<<direnv_hash_3_0_6>>
+<<direnv_hash_3_0_7>>
 #+END_SRC
 
 *** versions
 
+**** 3.0.7
+
+#+NAME: direnv_version_3_0_7
+#+BEGIN_SRC org
+3.0.7
+#+END_SRC
+
+#+NAME: direnv_hash_3_0_7
+#+BEGIN_SRC org
+sha256-bn8WANE5a91RusFmRI7kS751ApelG02nMcwRekC/qzc=
+#+END_SRC
+
 **** 3.0.6
 
 #+NAME: direnv_version_3_0_6
@@ -81,8 +112,35 @@ sha256-XQzUAvL6pysIJnRJyR7uVpmUSZfc7LSgWQwq/4mBr1U=
 
 * dlang
 ** ldc
+*** NOTES to update ldc
+
+check for latest version:
 
-- https://github.com/ldc-developers/ldc/releases
+update ldc version and sha hash:
+- emacs ./org/nix-develop-dlang-shared.org
+
+re-tangle files:
+- emacs ./org/nixpkgs_overlays_d_related.org
+  updates: nix-overlays/ldc/package.nix
+- emacs ./org/config_nix.org
+  updates: flake.nix
+- emacs ./org/config_env.org
+  updates: .envrc-nix
+
+update flake.lock:
+- nix flake update && nix flake check && nix flake show
+
+build:
+- nix build ".#spine-overlay-ldc" --print-build-logs
+
+adjust nix overlay if required (to get started):
+- git clone --depth 1 https://github.com/NixOS/nixpkgs
+- find ./nixpkgs/pkgs/ -type d -name "ldc"
+  ./nixpkgs/pkgs/by-name/ld/ldc
+- compare with overlay:
+  ./nix-overlays/ldc
+- overlay is tangled from:
+  emacs ./org/nixpkgs_overlays_d_related.org
 
 *** version SET
 **** version & sha256 nix composite
@@ -97,39 +155,39 @@ sha256 = "<<ldc-hash>>";
 
 #+NAME: ldc-version
 #+BEGIN_SRC org
-<<ldc_version_1_40_1>>
+<<ldc_version_1_41_0>>
 #+END_SRC
 
 #+NAME: ldc-hash
 #+BEGIN_SRC org
-<<ldc_hash_1_40_1>>
+<<ldc_hash_1_41_0>>
 #+END_SRC
 
 #+NAME: ldc-llvm-set
 #+BEGIN_SRC org
-<<ldc_llvm_set_1_40_1>>
+<<ldc_llvm_set_1_41_0>>
 #+END_SRC
 
 *** versions
-**** 1.41
-***** 1.41.0 beta1 OK ✓
+**** 1.41 OK ✓
+***** 1.41.0 OK ✓
 
- - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.41.0-beta1.tar.gz
+ - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/archive/refs/tags/v1.41.0.tar.gz
  - nix-prefetch-url --unpack https://github.com/ldc-developers/ldc/releases/download/v${version}/ldc-${version}-src.tar.gz
 
 #+NAME: ldc_version_1_41_0
 #+BEGIN_SRC nix
-1.41.0-beta1
+1.41.0
 #+END_SRC
 
 #+NAME: ldc_hash_1_41_0
 #+BEGIN_SRC nix
-sha256-FSdBOVkHdEJ7flKTyjkE0MCEUIMOXRv4uBn8OKPPdn4=
+sha256-6LcpY3LSFK4KgEiGrFp/LONu5Vr+/+vI04wEEpF3s+s=
 #+END_SRC
 
 #+NAME: ldc_llvm_set_1_41_0
 #+BEGIN_SRC nix
-llvm_19
+llvm_20
 #+END_SRC
 
 **** 1.40 OK ✓
diff --git a/org/spine-bespoke-output-homepage-html.org b/org/spine-bespoke-output-homepage-html.org
index f0c9177..32dc9d1 100644
--- a/org/spine-bespoke-output-homepage-html.org
+++ b/org/spine-bespoke-output-homepage-html.org
@@ -609,12 +609,14 @@ ralph.amissah www since 1993 ;-)
     [ <a href="https://discourse.nixos.org/t/nixos-foundation-board-giving-power-to-the-community/44552/">
       NixOS Foundation board: Giving power to the community
     </a> ]<br>
+<!--
     [ <a href="https://aux.computer/">
         Aux - aux.computer - a community fork of nix (under deliberation), billed as "An alternative to the Nix ecosystem"
     </a> ]
     [ <a href="https://forum.aux.computer/">
         community discussion (discourse)
     </a> ]<br>
+-->
     Gnu [ <a href="https://guix.gnu.org/">
         Guix
     </a> ]