commit 6f89a071584fcadd6ce122b3dcae2d176a079cf1
Author: Jörn-Michael Miehe <joern-michael.miehe@lenaisten.de>
Date:   Mon May 5 21:46:16 2025 +0000

    Initial commit

diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
new file mode 100644
index 0000000..b025bb8
--- /dev/null
+++ b/.devcontainer/Dockerfile
@@ -0,0 +1,4 @@
+FROM docker.io/ldericher/autodoc:diagram
+
+# source: https://stackoverflow.com/a/39420880
+COPY pdfa /opt/pdfa
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
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index 0000000..411d405
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,42 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/debian
+{
+    "name": "lev-templates",
+
+    // Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
+    // "image": "docker.io/ldericher/autodoc:diagram",
+    "build": { "dockerfile": "Dockerfile" },
+
+    // Features to add to the dev container. More info: https://containers.dev/features.
+    "features": {
+        "ghcr.io/devcontainers/features/common-utils:2": {
+            "configureZshAsDefaultShell": "true"
+        },
+        "ghcr.io/devcontainers/features/git:1": {},
+        "ghcr.io/devcontainers-contrib/features/git-lfs:1": {},
+        "ghcr.io/devcontainers-extra/features/apt-get-packages:1": {
+            "packages": "pdftk,poppler-utils"
+        }
+    },
+
+    // Ensure git is installed before git-lfs
+    "overrideFeatureInstallOrder": [
+        "ghcr.io/devcontainers/features/common-utils",
+        "ghcr.io/devcontainers/features/git"
+    ],
+
+    // Configure tool-specific properties.
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "mhutchie.git-graph"
+            ]
+        }
+    },
+
+    // Set `remoteUser` to `root` to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+    "remoteUser": "vscode"
+
+    // Use 'forwardPorts' to make a list of ports inside the container available locally.
+    // "forwardPorts": [],
+}
diff --git a/.devcontainer/pdfa/PDFA_def.ps b/.devcontainer/pdfa/PDFA_def.ps
new file mode 100644
index 0000000..158cf3f
--- /dev/null
+++ b/.devcontainer/pdfa/PDFA_def.ps
@@ -0,0 +1,39 @@
+%!
+% This prefix file for creating a PDF/A document is derived from
+% the sample included with Ghostscript 9.07, released under the
+% GNU Affero General Public License. 
+% Modified 4/15/2013 by MCB Systems.
+
+% Feel free to modify entries marked with "Customize".
+
+% This assumes an ICC profile to reside in the file (AdobeRGB1998.icc),
+% unless the user modifies the corresponding line below.
+
+% The color space described by the ICC profile must correspond to the
+% ProcessColorModel specified when using this prefix file (GRAY with
+% DeviceGray, RGB with DeviceRGB, and CMYK with DeviceCMYK).
+
+% Define entries in the document Info dictionary :
+
+/ICCProfile (/opt/pdfa/bin/AdobeRGB1998.icc)   % Customize.
+def
+
+[ /Title (Title)                  % Customize.
+  /DOCINFO pdfmark
+
+% Define an ICC profile :
+
+[/_objdef {icc_PDFA} /type /stream /OBJ pdfmark
+[{icc_PDFA} <</N systemdict /ProcessColorModel get /DeviceGray eq {1} {systemdict /ProcessColorModel get /DeviceRGB eq {3} {4} ifelse} ifelse >> /PUT pdfmark
+[{icc_PDFA} ICCProfile (r) file /PUT pdfmark
+
+% Define the output intent dictionary :
+
+[/_objdef {OutputIntent_PDFA} /type /dict /OBJ pdfmark
+[{OutputIntent_PDFA} <<
+  /Type /OutputIntent             % Must be so (the standard requires).
+  /S /GTS_PDFA1                   % Must be so (the standard requires).
+  /DestOutputProfile {icc_PDFA}            % Must be so (see above).
+  /OutputConditionIdentifier (default_rgb)      % Customize
+>> /PUT pdfmark
+[{Catalog} <</OutputIntents [ {OutputIntent_PDFA} ]>> /PUT pdfmark
\ No newline at end of file
diff --git a/.devcontainer/pdfa/bin/AdobeRGB1998.icc b/.devcontainer/pdfa/bin/AdobeRGB1998.icc
new file mode 100644
index 0000000..647df8a
--- /dev/null
+++ b/.devcontainer/pdfa/bin/AdobeRGB1998.icc
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:304f569a83c1e5eddaddac54e99ed03339333db013738bb499ab64f049887e28
+size 560
diff --git a/.devcontainer/pdfa/bin/gs-919-linux_x86_64 b/.devcontainer/pdfa/bin/gs-919-linux_x86_64
new file mode 100755
index 0000000..d713181
--- /dev/null
+++ b/.devcontainer/pdfa/bin/gs-919-linux_x86_64
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5de34d3ad386a3998d29d0d4e59ef6620f8fac637587f3840601455dc596a6aa
+size 17983531
diff --git a/.gitattributes b/.gitattributes
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index 0000000..a6d29bd
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+.devcontainer/pdfa/bin/* filter=lfs diff=lfs merge=lfs -text
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 0000000..7d3c485
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,8 @@
+{
+    "recommendations": [
+        "tomoki1207.pdf"
+    ],
+    "unwantedRecommendations": [
+        "ms-vscode.makefile-tools"
+    ]
+}
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..8274d2c
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "git.closeDiffOnOperation": true
+}
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
new file mode 100644
index 0000000..2c82efc
--- /dev/null
+++ b/.vscode/tasks.json
@@ -0,0 +1,17 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+      {
+        "label": "Autodoc: Build & Watch",
+        "type": "shell",
+        "command": "autodoc -bw",
+        "problemMatcher": [],
+        "group": {
+          "kind": "build",
+          "isDefault": true
+        }
+      }
+    ]
+}
\ No newline at end of file