diff --git a/algo/algo.sty b/algo/algo.sty
new file mode 100644
index 0000000..ba452b4
--- /dev/null
+++ b/algo/algo.sty
@@ -0,0 +1,85 @@
+% File              : algo.sty
+% Author            : Jeff LANCE <email@jefflance.me>
+% Date              : 24.05.2020
+% Last Modified Date: 24.05.2020
+% Last Modified By  : Jeff LANCE <email@jefflance.me>
+%
+%
+
+
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{algo}[2020/05/24 Algorithms package, v0.1]
+
+
+
+\makeatletter
+
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+%
+% PACKAGES
+%
+%
+
+\RequirePackage{xparse}
+\RequirePackage{algpseudocode}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+%
+% TRANSLATIONS
+%
+%
+
+\algrenewcommand\algorithmicfor{\textbf{Pour}}
+\algnewcommand\algorithmicto{\textbf{à}}
+\algrenewcommand\algorithmicdo{}
+
+\algrenewtext{For}[3]%
+  {\algorithmicfor\ #1 \textbf{allant de} #2 \textbf{à} #3 \algorithmicdo}
+
+\algrenewcommand\algorithmicwhile{\textbf{Tant que}}
+
+\algrenewcommand\algorithmicend{\textbf{Fin}}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+%
+% COMMANDS
+%
+%
+
+\NewDocumentCommand{\Sets}{ m m }{
+  \State #1 \gets #2
+}
+
+\NewDocumentCommand{\Print}{ m }{
+  \State \textbf{Afficher} #1
+}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+%
+% ENVIRONMENTS
+%
+%
+
+\NewDocumentEnvironment{pseudocode}{  }{
+  \begin{algorithmic}
+    \sffamily
+}{
+  \end{algorithmic}
+}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
diff --git a/commun/commun.sty b/commun/commun.sty
index b84d8c3..360dd2e 100644
--- a/commun/commun.sty
+++ b/commun/commun.sty
@@ -34,6 +34,7 @@
 \RequirePackage{ifluatex}
 \RequirePackage{import}
 \RequirePackage{lipsum}
+\RequirePackage{subfiles}
 
 % language
 \ifluatex
@@ -115,7 +116,6 @@
 \RequirePackage{tasks}
 \RequirePackage{dashrule}
 \RequirePackage{qrcode}
-% \RequirePackage[french]{algorithme}
 %--
 
 
@@ -280,8 +280,8 @@
                            bgcolor=white,
                            highlightcolor=white,
                            autogobble,
-                           frame=single,
-                           breaklines,
+                           frame=none,
+                           % breaklines,
                            escapeinside=||,
                            xleftmargin=0em,
                            xrightmargin=0em,
diff --git a/jl-cours/.environments.tex.swp b/jl-cours/.environments.tex.swp
deleted file mode 100644
index 0bf870b..0000000
Binary files a/jl-cours/.environments.tex.swp and /dev/null differ
diff --git a/jl-cours/jl-cours.cls b/jl-cours/jl-cours.cls
index 94472c4..01b4996 100644
--- a/jl-cours/jl-cours.cls
+++ b/jl-cours/jl-cours.cls
@@ -40,6 +40,7 @@
 
 %% Own packages. Those contains some global settings and definitions.
 %%
+\RequirePackage{algo}
 \RequirePackage{commun}
 \RequirePackage{couleurs}
 \RequirePackage{shortcuts}
diff --git a/shortcuts/shortcuts.sty b/shortcuts/shortcuts.sty
index 8531df9..041b5ad 100644
--- a/shortcuts/shortcuts.sty
+++ b/shortcuts/shortcuts.sty
@@ -54,8 +54,8 @@
 
 %% tasks
 %%
-\newcommand{\bq}{\begin{tasks}}
-\newcommand{\eq}{\end{tasks}}
+\newcommand{\bt}{\begin{tasks}}
+\newcommand{\et}{\end{tasks}}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 
@@ -270,15 +270,15 @@
 \NewDocumentCommand \N { s g } {
     \IfBooleanTF {#1} {
         \IfNoValueTF {#2} {
-            \!\!\!\!\ensuremath{\mathbb{N} \setminus \{0\}}\!\!\!
+            \ensuremath{\mathbb{N} \setminus \{0\}}
         }{
-            \!\!\!\!\ensuremath{\mathbb{N} \setminus \{0, #2\}}\!\!\!
+            \ensuremath{\mathbb{N} \setminus \{0, #2\}}
         }
     }{
         \IfNoValueTF {#2} {
-            \!\!\!\!\ensuremath{\mathbb{N}}\!\!\!
+            \ensuremath{\mathbb{N}}
         }{
-            \!\!\!\!\ensuremath{\mathbb{N} \setminus \{#2\}}\!\!\!
+            \ensuremath{\mathbb{N} \setminus \{#2\}}
         }
     }
 }