diff --git a/configuration.org b/configuration.org
index f26788e881fc3c54ffeb03d5b59d8b0a6cce631e..67f88fcb610bd00ca8ffe06e5f04ae2bd19fa035 100644
--- a/configuration.org
+++ b/configuration.org
@@ -2,6 +2,7 @@
 #+author: Michaël Hauspie
 #+email: michael.hauspie@univ-lille.fr
 #+language: en
+#+options: header-args :results none
 
 Some of my configuration entries where borrowed from other people, see
 [[*Acknowledgment][Acknowledgment]] section for a list.
@@ -51,17 +52,17 @@ Sets who I am
 
 I use [[https://elpa.gnu.org][Elpa]], [[https://melpa.org][Melpa]] and [[http://orgmode.org][Org mode]] packages repository, thus I need to add them to the =package-archives= list
 
-  For older emacs version, fix some gnutls algorithm priority
+For older emacs version, fix some gnutls algorithm priority
 
-  #+BEGIN_SRC emacs-lisp
+#+BEGIN_SRC emacs-lisp
 (setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3")
-  #+END_SRC
+#+END_SRC
 
-  #+RESULTS:
-  : NORMAL:-VERS-TLS1.3
+#+RESULTS:
+: NORMAL:-VERS-TLS1.3
 
 
-  #+BEGIN_SRC emacs-lisp
+#+BEGIN_SRC emacs-lisp
 (require 'package)
 (add-to-list 'package-archives '("gnu" . "https://elpa.gnu.org/packages/") t)
 (add-to-list 'package-archives '("melpa" . "https://melpa.org/packages/") t)
@@ -69,7 +70,7 @@ I use [[https://elpa.gnu.org][Elpa]], [[https://melpa.org][Melpa]] and [[http://
 (package-initialize)
 #+END_SRC
 
-  #+RESULTS:
+#+RESULTS:
 
 
 Then, to ensure that packages are installed and that I can launch
@@ -127,26 +128,26 @@ Add a folder for .el files that are not available as packages
 
 I use [[https://github.com/technomancy/better-defaults][better-defaults]] to tweak some annoying Emacs default behaviors. The two most important beeing:
 
-  - use =ido= almost everywhere
-  - put temporary files in a specific folder rather as =~= files everywhere
+- use =ido= almost everywhere
+- put temporary files in a specific folder rather as =~= files everywhere
 
-    there is more to =better-defaults=, be sure to have a look at its list
-    of changed behaviors. In particular, it switches the menu bar off and
-    I quite like have it around sometimes, so I re-enable it.
+  there is more to =better-defaults=, be sure to have a look at its list
+  of changed behaviors. In particular, it switches the menu bar off and
+  I quite like have it around sometimes, so I re-enable it.
 
-    #+BEGIN_SRC emacs-lisp
+  #+BEGIN_SRC emacs-lisp
 (use-package better-defaults)
 
 ;; I want menu bar
 (menu-bar-mode t)
-    #+END_SRC
+  #+END_SRC
 
-    Ido is not set everywhere by =better-defaults= and I really want it everywhere
+  Ido is not set everywhere by =better-defaults= and I really want it everywhere
 
-    #+begin_src emacs-lisp
+  #+begin_src emacs-lisp
 (setq ido-enable-flex-matching t)
 (setq ido-everywhere t)
-    #+end_src
+  #+end_src
 
 
 As I often use Emacs on MacOS, I need the right option (alt) key to
@@ -254,6 +255,13 @@ Define a shortcut to re-indent all buffer. This saves the current point, marks w
 #+RESULTS:
 : mh/indent-buffer
 
+Set the line width for fill command
+
+#+begin_src emacs-lisp
+(setq-default fill-column 100) 
+#+end_src
+
+
 ** Undo on steroids
 
 Manage undo as a tree so that we can undo/redo more. Bound by default on =C-x u=
@@ -311,11 +319,11 @@ Use Fira Code but do not use ligature everywhere
 #+begin_src emacs-lisp
 (use-package fira-code-mode
   :config
-  ;(global-fira-code-mode)
+                                        ;(global-fira-code-mode)
   (setq fira-code-mode-enable-hex-literal nil)
   )
-  (add-to-list 'default-frame-alist '(font . "Fira Code-12" ))
-  (set-face-attribute 'default t :font "Fira Code-12" )
+(add-to-list 'default-frame-alist '(font . "Fira Code-12" ))
+(set-face-attribute 'default t :font "Fira Code-12" )
 #+end_src
 
 #+RESULTS:
@@ -367,38 +375,38 @@ and loaded.
 
 *** TRAMP configuration for remote editing
 
- Tramp is a mode that allows emacs to edit file remotely (over ssh) or
- even as =sudo= (even combining both, effectively editing a file on a
- remote machine as root while connecting to the remote machine using
- ssh as an unpriviledged user)
+Tramp is a mode that allows emacs to edit file remotely (over ssh) or
+even as =sudo= (even combining both, effectively editing a file on a
+remote machine as root while connecting to the remote machine using
+ssh as an unpriviledged user)
 
- To open a file located on a remote machine, simply open the file
- =/ssh:user@host:path/to/the/file=
+To open a file located on a remote machine, simply open the file
+=/ssh:user@host:path/to/the/file=
 
- To =sudo= open a local file : =/sudo::/path/to/the/file=.
+To =sudo= open a local file : =/sudo::/path/to/the/file=.
 
- Combining both : =/ssh:user@host|sudo::/path/to/the/file=.
+Combining both : =/ssh:user@host|sudo::/path/to/the/file=.
 
- There is no real configuration need for my tramp usage, however, I
- would like to display on the mode line on which host I am editing (one
- of the many reason is that I find myself editing the same file on
- different servers on many occasions). By default, a =@= symbol is
- displayed on the mode line when editing remote, but not the server
- hostname. It requires mousing hover the =@= which is... impractical at
- the very best.
+There is no real configuration need for my tramp usage, however, I
+would like to display on the mode line on which host I am editing (one
+of the many reason is that I find myself editing the same file on
+different servers on many occasions). By default, a =@= symbol is
+displayed on the mode line when editing remote, but not the server
+hostname. It requires mousing hover the =@= which is... impractical at
+the very best.
 
- For this, I use the =tramp-theme= package that does what I want.
+For this, I use the =tramp-theme= package that does what I want.
 
- #+begin_src emacs-lisp
+#+begin_src emacs-lisp
 (use-package tramp-theme
   :ensure t
   :config
   (load-theme 'tramp t)
-)
- #+end_src
+  )
+#+end_src
 
- #+RESULTS:
- : t
+#+RESULTS:
+: t
 
 
 
@@ -493,10 +501,11 @@ Add shortcuts to quickly add code blocks using =C-,=
 Use =latexmk= to export to Latex
 
 #+begin_src emacs-lisp :exports code
-(setq org-latex-pdf-process (list "latexmk -pdflatex='pdflatex -shell-escape -interaction nonstopmode' -pdf %f"))
+(setq org-latex-pdf-process (list "latexmk -pdflatex='pdflatex -shell-escape -interaction nonstopmode' -output-directory=%o -pdf %f"))
 #+end_src
 
 
+
 Use =org-ref= for citation
 
 #+begin_src emacs-lisp
@@ -514,6 +523,21 @@ And use the same shortcut for =org-reftex-citation= than for =reftex-citation=
 #+RESULTS:
 : org-reftex-citation
 
+Define a document class that do not use parts and start with chapters
+
+#+begin_src emacs-lisp
+(add-to-list 'org-latex-classes
+             '("book-noparts"
+               "\\documentclass{book}"
+               ("\\chapter{%s}" . "\\chapter*{%s}")
+               ("\\section{%s}" . "\\section*{%s}")
+               ("\\subsection{%s}" . "\\subsection*{%s}")
+               ("\\subsubsection{%s}" . "\\subsubsection*{%s}")
+               ("\\paragraph{%s}" . "\\paragraph*{%s}")
+               ("\\subparagraph{%s}" . "\\subparagraph*{%s}")))
+#+end_src
+
+
 ** Visuals
 
 Use bullets instead of asterisks
@@ -685,19 +709,14 @@ using bootstrap template.
 #+RESULTS:
 
 
-So that code highlighting can be done using [[https://www.ctan.org/pkg/minted][minted]] (which uses
-[[https://pygments.org/][Pygments]] as an external tool), we need to change latex export commands.
+Configure code highlighting using [[https://www.ctan.org/pkg/minted][minted]] (which uses
+[[https://pygments.org/][Pygments]] as an external tool) for latex export
 
 #+begin_src emacs-lisp
 ;; Configure ox-latex to export source block using minted
 ;; Setting minted cache to false as cache seems to fail when changing the output-directory
 (add-to-list 'org-latex-packages-alist '("cache=false" "minted"))
 (setq org-latex-listings 'minted)
-
-(setq org-latex-pdf-process
-      '("pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"
-        "pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"
-        "pdflatex -shell-escape -interaction nonstopmode -output-directory %o %f"))
 #+end_src
 
 For HTML source code highlight, use =htmlize=
@@ -1041,7 +1060,7 @@ For dockerfiles and docker-compose files, install some docker packages
 (use-package dockerfile-mode)
 (use-package docker-compose-mode)
 (use-package docker)
-;(use-package docker-tramp)
+                                        ;(use-package docker-tramp)
 (use-package docker-api)
 (use-package docker-cli)
 #+end_src
@@ -1143,12 +1162,12 @@ cargo install slint-lsp
 [[https://magit.vc/][Magit]] is git porcelain inside emacs.
 
 
-   + Bind =C-x g= to pop up the magit status buffer
-   + configure magit to automatically revert buffers that are opened
-     if they are modified by a magit action (such as changing branch,
-     merging...)
-   + Save buffers that visit a file that belongs to a repository if
-     needed
++ Bind =C-x g= to pop up the magit status buffer
++ configure magit to automatically revert buffers that are opened
+  if they are modified by a magit action (such as changing branch,
+  merging...)
++ Save buffers that visit a file that belongs to a repository if
+  needed
 
 #+begin_src emacs-lisp
 (use-package magit