chore(build): Regenerate

19 files changed, 107 insertions, 902 deletions

diff --git a/build/awk/flake.lock b/build/awk/flake.lock
deleted file mode 100644
index 544cbdf..0000000
--- a/build/awk/flake.lock
+++ /dev/null
@@ -1,129 +0,0 @@
-{
-  "nodes": {
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-utils": {
-      "inputs": {
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake_version_update": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1685288691,
-        "narHash": "sha256-oP6h34oJ8rm6KlUpyZrX+ww3hnoWny2ecrEXxkU7F3c=",
-        "ref": "refs/heads/prime",
-        "rev": "e9a97e01eca780bd16e1dbdbd8856b59558f4959",
-        "revCount": 5,
-        "type": "git",
-        "url": "https://codeberg.org/soispha/flake_version_update.git"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://codeberg.org/soispha/flake_version_update.git"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1711715736,
-        "narHash": "sha256-9slQ609YqT9bT/MNX9+5k5jltL9zgpn36DpFB7TkttM=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "807c549feabce7eddbf259dbdcec9e0600a0660d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "flake_version_update": "flake_version_update",
-        "nixpkgs": "nixpkgs",
-        "systems": "systems",
-        "treefmt-nix": "treefmt-nix"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1680978846,
-        "narHash": "sha256-Gtqg8b/v49BFDpDetjclCYXm8mAnTrUzR0JnE2nv5aw=",
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "rev": "2ecfcac5e15790ba6ce360ceccddb15ad16d08a8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "type": "github"
-      }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711803027,
-        "narHash": "sha256-Qic3OvsVLpetchzaIe2hJqgliWXACq2Oee6mBXa/IZQ=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "1810d51a015c1730f2fe05a255258649799df416",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/build/c/flake.lock b/build/c/flake.lock
deleted file mode 100644
index 0f32b70..0000000
--- a/build/c/flake.lock
+++ /dev/null
@@ -1,102 +0,0 @@
-{
-  "nodes": {
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-utils": {
-      "inputs": {
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1711715736,
-        "narHash": "sha256-9slQ609YqT9bT/MNX9+5k5jltL9zgpn36DpFB7TkttM=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "807c549feabce7eddbf259dbdcec9e0600a0660d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs",
-        "systems": "systems",
-        "treefmt-nix": "treefmt-nix"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1680978846,
-        "narHash": "sha256-Gtqg8b/v49BFDpDetjclCYXm8mAnTrUzR0JnE2nv5aw=",
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "rev": "2ecfcac5e15790ba6ce360ceccddb15ad16d08a8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "type": "github"
-      }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711803027,
-        "narHash": "sha256-Qic3OvsVLpetchzaIe2hJqgliWXACq2Oee6mBXa/IZQ=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "1810d51a015c1730f2fe05a255258649799df416",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/build/latex/academia/%INIT_APPLICATION_NAME.tex b/build/latex/academia/%INIT_APPLICATION_NAME.tex
index 50131ad..a5fe645 100644
--- a/build/latex/academia/%INIT_APPLICATION_NAME.tex
+++ b/build/latex/academia/%INIT_APPLICATION_NAME.tex
@@ -13,8 +13,8 @@
 \date{\DTMToday}
 
 % For the copyright section
-\years{%INIT_YEAR}
-\authors{%INIT_AUTHOR_NAME}
+\SetYears{%INIT_YEAR}
+\SetAuthors{%INIT_AUTHOR_NAME}
 
 \makeatletter
 \hypersetup{
diff --git a/build/latex/academia/flake.lock b/build/latex/academia/flake.lock
deleted file mode 100644
index 1d384fd..0000000
--- a/build/latex/academia/flake.lock
+++ /dev/null
@@ -1,210 +0,0 @@
-{
-  "nodes": {
-    "crane": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711681752,
-        "narHash": "sha256-LEg6/dmEFxx6Ygti5DO9MOhGNpyB7zdxdWtzv/FCTXk=",
-        "owner": "ipetkov",
-        "repo": "crane",
-        "rev": "ada0fb4dcce4561acb1eb17c59b7306d9d4a95f3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "ipetkov",
-        "repo": "crane",
-        "type": "github"
-      }
-    },
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-utils": {
-      "inputs": {
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake_version_update": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1685288691,
-        "narHash": "sha256-oP6h34oJ8rm6KlUpyZrX+ww3hnoWny2ecrEXxkU7F3c=",
-        "ref": "refs/heads/prime",
-        "rev": "e9a97e01eca780bd16e1dbdbd8856b59558f4959",
-        "revCount": 5,
-        "type": "git",
-        "url": "https://codeberg.org/soispha/flake_version_update.git"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://codeberg.org/soispha/flake_version_update.git"
-      }
-    },
-    "lpm": {
-      "inputs": {
-        "crane": [
-          "crane"
-        ],
-        "flake-compat": [
-          "flake-compat"
-        ],
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "rust-overlay": [
-          "rust-overlay"
-        ],
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1718253944,
-        "narHash": "sha256-22AP7h3Utx7xfJ7uyPWH2f6B6xFysCYgPQhNonTeEQ4=",
-        "ref": "refs/heads/prime",
-        "rev": "7ea10db20a83eedffd69a8c8824e14992ada3e10",
-        "revCount": 20,
-        "type": "git",
-        "url": "https://codeberg.org/bpeetz/lpm.git"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://codeberg.org/bpeetz/lpm.git"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1711715736,
-        "narHash": "sha256-9slQ609YqT9bT/MNX9+5k5jltL9zgpn36DpFB7TkttM=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "807c549feabce7eddbf259dbdcec9e0600a0660d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "crane": "crane",
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "flake_version_update": "flake_version_update",
-        "lpm": "lpm",
-        "nixpkgs": "nixpkgs",
-        "rust-overlay": "rust-overlay",
-        "systems": "systems",
-        "treefmt-nix": "treefmt-nix"
-      }
-    },
-    "rust-overlay": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711851236,
-        "narHash": "sha256-EJ03x3N9ihhonAttkaCrqxb0djDq3URCuDpmVPbNZhA=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "f258266af947599e8069df1c2e933189270f143a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1680978846,
-        "narHash": "sha256-Gtqg8b/v49BFDpDetjclCYXm8mAnTrUzR0JnE2nv5aw=",
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "rev": "2ecfcac5e15790ba6ce360ceccddb15ad16d08a8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "type": "github"
-      }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711803027,
-        "narHash": "sha256-Qic3OvsVLpetchzaIe2hJqgliWXACq2Oee6mBXa/IZQ=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "1810d51a015c1730f2fe05a255258649799df416",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/build/latex/academia/headers/preamble.tex b/build/latex/academia/headers/preamble.tex
index 110e3a0..d45262a 100644
--- a/build/latex/academia/headers/preamble.tex
+++ b/build/latex/academia/headers/preamble.tex
@@ -1,2 +1,2 @@
 \input{headers/preamble/mod.tex}
-\input{headers/preamble/preamble_local.tex}
+\input{headers/preamble_local.tex}
diff --git a/build/latex/academia/headers/preamble/academia/theorems/definitions.tex b/build/latex/academia/headers/preamble/academia/theorems/definitions.tex
index 4355b3c..3179dd9 100644
--- a/build/latex/academia/headers/preamble/academia/theorems/definitions.tex
+++ b/build/latex/academia/headers/preamble/academia/theorems/definitions.tex
@@ -1,4 +1,4 @@
-\renewcommand\qedsymbol{\ensuremath{\text{\textit{O.}}~\epsilon.~\delta.}}
+\RenewDocumentCommand\qedsymbol{}{\ensuremath{\text{\textit{O.}}~\epsilon.~\delta.}}
 % \renewcommand\qedsymbol{\dots}
 
 \theoremstyle{definition}
diff --git a/build/latex/academia/headers/preamble/academia/theorems/mod.tex b/build/latex/academia/headers/preamble/academia/theorems/mod.tex
index 8350276..d0f801c 100644
--- a/build/latex/academia/headers/preamble/academia/theorems/mod.tex
+++ b/build/latex/academia/headers/preamble/academia/theorems/mod.tex
@@ -1,2 +1,2 @@
-\input{headers/preamble/academia/theorems/definitions.tex}
 \input{headers/preamble/academia/theorems/packages.tex}
+\input{headers/preamble/academia/theorems/definitions.tex}
diff --git a/build/latex/academia/headers/preamble/core/bable.tex b/build/latex/academia/headers/preamble/core/bable.tex
new file mode 100644
index 0000000..f034018
--- /dev/null
+++ b/build/latex/academia/headers/preamble/core/bable.tex
@@ -0,0 +1 @@
+\usepackage[%INIT_BABLE_LANGUAGE]{babel} % For language support
diff --git a/build/latex/academia/headers/preamble/core/graphics_and_floats.tex b/build/latex/academia/headers/preamble/core/graphics_and_floats.tex
index b975c5f..c0784c9 100644
--- a/build/latex/academia/headers/preamble/core/graphics_and_floats.tex
+++ b/build/latex/academia/headers/preamble/core/graphics_and_floats.tex
@@ -5,7 +5,7 @@
 \usetikzlibrary{calc}
 
 \usepackage{pgfplots} % plots, 2D and 3D
-\pgfplotsset{compat=1.19} % Set a compatibility level, to be able to use the new versions
+\pgfplotsset{compat=1.18} % Set a compatibility level, to be able to use the new versions
 
 \usetikzlibrary{external}
 \tikzexternalize[prefix=figures/, mode=list and make]
diff --git a/build/latex/academia/headers/preamble/core/math.tex b/build/latex/academia/headers/preamble/core/math.tex
index 35144df..170f57a 100644
--- a/build/latex/academia/headers/preamble/core/math.tex
+++ b/build/latex/academia/headers/preamble/core/math.tex
@@ -12,14 +12,16 @@
 \NewDocumentCommand\Z{}{\ensuremath{\mathbb{Z}}}
 \NewDocumentCommand\Q{}{\ensuremath{\mathbb{Q}}}
 \NewDocumentCommand\C{}{\ensuremath{\mathbb{C}}}
-\NewDocumentCommand\O{}{\ensuremath{\emptyset}} % replaces the Ø
+\let\originalO\O
+\RenewDocumentCommand\O{}{\ensuremath{\emptyset}} % replaces the Ø
 
 % readable limits
-\let\svlim\lim{}
-\renewcommand\lim{\svlim\limits}
+\let\originalLim\lim
+\RenewDocumentCommand\lim{}{\originalLim\limits}
 
 % aliases
-\let\implies\Rightarrow{}
-\let\impliedby\Leftarrow{}
+\let\implies\Rightarrow
+\let\impliedby\Leftarrow
 
-\let\epsilon{\varepsilon} % I like the textual epsilon more
+\let\originalEpsilon\epsilon
+\RenewDocumentCommand\epsilon{}{\varepsilon} % I like the textual epsilon more
diff --git a/build/latex/academia/headers/preamble/core/mod.tex b/build/latex/academia/headers/preamble/core/mod.tex
index 3a800a1..403ce58 100644
--- a/build/latex/academia/headers/preamble/core/mod.tex
+++ b/build/latex/academia/headers/preamble/core/mod.tex
@@ -1,6 +1,7 @@
 % Core packages (used in the implementation of this preamble)
 \usepackage{ifdraft}
 
+\input{headers/preamble/core/bable.tex}
 \input{headers/preamble/core/chemistry.tex}
 \input{headers/preamble/core/copyright.tex}
 \input{headers/preamble/core/date_and_time.tex}
diff --git a/build/latex/academia/headers/preamble/core/notes.tex b/build/latex/academia/headers/preamble/core/notes.tex
index 8eab467..1f10ef3 100644
--- a/build/latex/academia/headers/preamble/core/notes.tex
+++ b/build/latex/academia/headers/preamble/core/notes.tex
@@ -1 +1 @@
-\usepackage[obeyFinal,%INIT_BABLE_LANGUAGE]{todonotes}
+\usepackage[obeyFinal,%INIT_TODONOTES_LANGUAGE]{todonotes}
diff --git a/build/latex/academia/headers/preamble/core/references.tex b/build/latex/academia/headers/preamble/core/references.tex
index 69a6ad6..e42b22f 100644
--- a/build/latex/academia/headers/preamble/core/references.tex
+++ b/build/latex/academia/headers/preamble/core/references.tex
@@ -1,4 +1,3 @@
-\usepackage[%INIT_BABLE_LANGUAGE]{babel} % For language support
 \usepackage{csquotes} % required by biblatex
 
 % \usepackage{biblatex-dw}
@@ -20,8 +19,6 @@
 \addbibresource{ref/references.bib}
 % \bibliography{res/reference} % Set the location of the references
 
-\usepackage[nospace,%INIT_BABLE_LANGUAGE]{varioref} % for \vref
-\usepackage[%INIT_BABLE_LANGUAGE, noabbrev, nameinlink]{cleveref}
 \usepackage[pdflang=%INIT_DATE_TIME_LANGUAGE]{hyperref}
 \hypersetup{
 	colorlinks,
@@ -30,8 +27,11 @@
 	urlcolor={blue!80!black}
 }
 
+\usepackage[nospace,%INIT_TODONOTES_LANGUAGE]{varioref} % for \vref
+\usepackage[%INIT_TODONOTES_LANGUAGE, noabbrev, nameinlink]{cleveref}
+
 \ifdraft{
 	\usepackage{showlabels}
 } {
-	\message {Draft packages not loaded, showlabels not loaded.}
+	\message {Draft packages not loaded, 'showlabels' not loaded.}
 }
diff --git a/build/latex/academia/init.local b/build/latex/academia/init.local
index ae57756..123e349 100755
--- a/build/latex/academia/init.local
+++ b/build/latex/academia/init.local
@@ -21,8 +21,50 @@ de_DE | de_*)
     ;;
 esac
 
+if [ "$bable_language" = "british" ]; then
+    todonotes_language="english"
+else
+    todonotes_language="$bable_language"
+fi
+
+siunitx_language=""
+# locales UK, US, DE (Germany), PL (Poland), FR (French), SI (Slovene) and ZA (South Africa).
+case "$LANGUAGE" in
+"en_GB")
+    siunitx_language="UK" # United Kingdom
+    ;;
+"en_US")
+    siunitx_language="US" # United States of Amerika
+    ;;
+en_ZA)
+    siunitx_language="ZA" # South Africa
+    ;;
+en_*)
+    echo "'$LANGUAGE' is not yet recognized! But it seems english, thus we set SIUNITX_LANGUAGE='UK'."
+    siunitx_language="UK"
+    ;;
+de_DE)
+    siunitx_language="DE" # Germany
+    ;;
+pl_PL)
+    siunitx_language="PL" # Poland
+    ;;
+fr_FR)
+    siunitx_language="FR" # French
+    ;;
+sl_SL)
+    siunitx_language="SI" # Slovene
+    ;;
+*)
+    echo "'$LANGUAGE' is not yet recognized by the init.local script! Please open an issue." 1>&2
+    echo "set 'SIUNITX_LANGUAGE' to 'NOT_YET_RECOGNIZED_PLEASE_REPLACE' to help you find instances of the variable use." 1>&2
+    siunitx_language="NOT_YET_RECOGNIZED_PLEASE_REPLACE"
+    ;;
+esac
+
 prompt BABLE_LANGUAGE "The language to use for the bable package" "$bable_language" "dont_ask"
 prompt DATE_TIME_LANGUAGE "The language to use for the datetime2 package" "$(echo "$LANGUAGE" | sed 's/_/-/g')" "dont_ask"
-prompt SIUNITX_LANGUAGE "The language to use for the siunitx package" "$(echo "$LANGUAGE" | sed 's/\(\w\w\).*/\U\1/')" "dont_ask"
+prompt SIUNITX_LANGUAGE "The language to use for the siunitx package" "$siunitx_language" "dont_ask"
+prompt TODONOTES_LANGUAGE "The language to use for the todonotes package" "$todonotes_language" "dont_ask"
 
 # vim: ft=sh
diff --git a/build/latex/letter/flake.lock b/build/latex/letter/flake.lock
deleted file mode 100644
index 544cbdf..0000000
--- a/build/latex/letter/flake.lock
+++ /dev/null
@@ -1,129 +0,0 @@
-{
-  "nodes": {
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-utils": {
-      "inputs": {
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake_version_update": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1685288691,
-        "narHash": "sha256-oP6h34oJ8rm6KlUpyZrX+ww3hnoWny2ecrEXxkU7F3c=",
-        "ref": "refs/heads/prime",
-        "rev": "e9a97e01eca780bd16e1dbdbd8856b59558f4959",
-        "revCount": 5,
-        "type": "git",
-        "url": "https://codeberg.org/soispha/flake_version_update.git"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://codeberg.org/soispha/flake_version_update.git"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1711715736,
-        "narHash": "sha256-9slQ609YqT9bT/MNX9+5k5jltL9zgpn36DpFB7TkttM=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "807c549feabce7eddbf259dbdcec9e0600a0660d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "flake_version_update": "flake_version_update",
-        "nixpkgs": "nixpkgs",
-        "systems": "systems",
-        "treefmt-nix": "treefmt-nix"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1680978846,
-        "narHash": "sha256-Gtqg8b/v49BFDpDetjclCYXm8mAnTrUzR0JnE2nv5aw=",
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "rev": "2ecfcac5e15790ba6ce360ceccddb15ad16d08a8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "type": "github"
-      }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711803027,
-        "narHash": "sha256-Qic3OvsVLpetchzaIe2hJqgliWXACq2Oee6mBXa/IZQ=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "1810d51a015c1730f2fe05a255258649799df416",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/build/latex/letter/init.local b/build/latex/letter/init.local
index ae57756..123e349 100755
--- a/build/latex/letter/init.local
+++ b/build/latex/letter/init.local
@@ -21,8 +21,50 @@ de_DE | de_*)
     ;;
 esac
 
+if [ "$bable_language" = "british" ]; then
+    todonotes_language="english"
+else
+    todonotes_language="$bable_language"
+fi
+
+siunitx_language=""
+# locales UK, US, DE (Germany), PL (Poland), FR (French), SI (Slovene) and ZA (South Africa).
+case "$LANGUAGE" in
+"en_GB")
+    siunitx_language="UK" # United Kingdom
+    ;;
+"en_US")
+    siunitx_language="US" # United States of Amerika
+    ;;
+en_ZA)
+    siunitx_language="ZA" # South Africa
+    ;;
+en_*)
+    echo "'$LANGUAGE' is not yet recognized! But it seems english, thus we set SIUNITX_LANGUAGE='UK'."
+    siunitx_language="UK"
+    ;;
+de_DE)
+    siunitx_language="DE" # Germany
+    ;;
+pl_PL)
+    siunitx_language="PL" # Poland
+    ;;
+fr_FR)
+    siunitx_language="FR" # French
+    ;;
+sl_SL)
+    siunitx_language="SI" # Slovene
+    ;;
+*)
+    echo "'$LANGUAGE' is not yet recognized by the init.local script! Please open an issue." 1>&2
+    echo "set 'SIUNITX_LANGUAGE' to 'NOT_YET_RECOGNIZED_PLEASE_REPLACE' to help you find instances of the variable use." 1>&2
+    siunitx_language="NOT_YET_RECOGNIZED_PLEASE_REPLACE"
+    ;;
+esac
+
 prompt BABLE_LANGUAGE "The language to use for the bable package" "$bable_language" "dont_ask"
 prompt DATE_TIME_LANGUAGE "The language to use for the datetime2 package" "$(echo "$LANGUAGE" | sed 's/_/-/g')" "dont_ask"
-prompt SIUNITX_LANGUAGE "The language to use for the siunitx package" "$(echo "$LANGUAGE" | sed 's/\(\w\w\).*/\U\1/')" "dont_ask"
+prompt SIUNITX_LANGUAGE "The language to use for the siunitx package" "$siunitx_language" "dont_ask"
+prompt TODONOTES_LANGUAGE "The language to use for the todonotes package" "$todonotes_language" "dont_ask"
 
 # vim: ft=sh
diff --git a/build/rust/Cargo.lock b/build/rust/Cargo.lock
deleted file mode 100644
index 9d8cd04..0000000
--- a/build/rust/Cargo.lock
+++ /dev/null
@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
-[[package]]
-name = "TODO"
-version = "0.1.0"
diff --git a/build/rust/flake.lock b/build/rust/flake.lock
deleted file mode 100644
index ea926e5..0000000
--- a/build/rust/flake.lock
+++ /dev/null
@@ -1,147 +0,0 @@
-{
-  "nodes": {
-    "crane": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711681752,
-        "narHash": "sha256-LEg6/dmEFxx6Ygti5DO9MOhGNpyB7zdxdWtzv/FCTXk=",
-        "owner": "ipetkov",
-        "repo": "crane",
-        "rev": "ada0fb4dcce4561acb1eb17c59b7306d9d4a95f3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "ipetkov",
-        "repo": "crane",
-        "type": "github"
-      }
-    },
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-utils": {
-      "inputs": {
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1711715736,
-        "narHash": "sha256-9slQ609YqT9bT/MNX9+5k5jltL9zgpn36DpFB7TkttM=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "807c549feabce7eddbf259dbdcec9e0600a0660d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "crane": "crane",
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs",
-        "rust-overlay": "rust-overlay",
-        "systems": "systems",
-        "treefmt-nix": "treefmt-nix"
-      }
-    },
-    "rust-overlay": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711851236,
-        "narHash": "sha256-EJ03x3N9ihhonAttkaCrqxb0djDq3URCuDpmVPbNZhA=",
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "rev": "f258266af947599e8069df1c2e933189270f143a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "oxalica",
-        "repo": "rust-overlay",
-        "type": "github"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1680978846,
-        "narHash": "sha256-Gtqg8b/v49BFDpDetjclCYXm8mAnTrUzR0JnE2nv5aw=",
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "rev": "2ecfcac5e15790ba6ce360ceccddb15ad16d08a8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "type": "github"
-      }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711803027,
-        "narHash": "sha256-Qic3OvsVLpetchzaIe2hJqgliWXACq2Oee6mBXa/IZQ=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "1810d51a015c1730f2fe05a255258649799df416",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/build/shell/flake.lock b/build/shell/flake.lock
deleted file mode 100644
index 60caf54..0000000
--- a/build/shell/flake.lock
+++ /dev/null
@@ -1,159 +0,0 @@
-{
-  "nodes": {
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-utils": {
-      "inputs": {
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    },
-    "flake_version_update": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1685288691,
-        "narHash": "sha256-oP6h34oJ8rm6KlUpyZrX+ww3hnoWny2ecrEXxkU7F3c=",
-        "ref": "refs/heads/prime",
-        "rev": "e9a97e01eca780bd16e1dbdbd8856b59558f4959",
-        "revCount": 5,
-        "type": "git",
-        "url": "https://codeberg.org/soispha/flake_version_update.git"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://codeberg.org/soispha/flake_version_update.git"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1711715736,
-        "narHash": "sha256-9slQ609YqT9bT/MNX9+5k5jltL9zgpn36DpFB7TkttM=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "807c549feabce7eddbf259dbdcec9e0600a0660d",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
-        "flake_version_update": "flake_version_update",
-        "nixpkgs": "nixpkgs",
-        "shell_library": "shell_library",
-        "systems": "systems",
-        "treefmt-nix": "treefmt-nix"
-      }
-    },
-    "shell_library": {
-      "inputs": {
-        "flake-utils": [
-          "flake-utils"
-        ],
-        "flake_version_update": [
-          "flake_version_update"
-        ],
-        "nixpkgs": [
-          "nixpkgs"
-        ],
-        "systems": [
-          "systems"
-        ]
-      },
-      "locked": {
-        "lastModified": 1710519017,
-        "narHash": "sha256-7C7onkhZiLwzrrf9XfzHEOjht9FmZfGABPbzE8XOYoI=",
-        "ref": "refs/heads/prime",
-        "rev": "24713f56f30e755553cac9497258ebc5d73036dc",
-        "revCount": 180,
-        "type": "git",
-        "url": "https://codeberg.org/soispha/shell_library.git"
-      },
-      "original": {
-        "type": "git",
-        "url": "https://codeberg.org/soispha/shell_library.git"
-      }
-    },
-    "systems": {
-      "locked": {
-        "lastModified": 1680978846,
-        "narHash": "sha256-Gtqg8b/v49BFDpDetjclCYXm8mAnTrUzR0JnE2nv5aw=",
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "rev": "2ecfcac5e15790ba6ce360ceccddb15ad16d08a8",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-systems",
-        "repo": "x86_64-linux",
-        "type": "github"
-      }
-    },
-    "treefmt-nix": {
-      "inputs": {
-        "nixpkgs": [
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1711803027,
-        "narHash": "sha256-Qic3OvsVLpetchzaIe2hJqgliWXACq2Oee6mBXa/IZQ=",
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "rev": "1810d51a015c1730f2fe05a255258649799df416",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "treefmt-nix",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}