changed some shell src-blocks to example blocks

config.org

@@ -880,9 +880,9 @@ END_SRC
 * Pandoc
   Convert between formats, like from org to html.
   Pandoc needs to be installed on the system
-#+BEGIN_SRC shell
+#+BEGIN_EXAMPLE
 sudo apt install pandoc 
-#+END_SRC
+#+END_EXAMPLE
 
   Pandoc-mode is a minor mode to interact with pandoc
 #+BEGIN_SRC emacs-lisp
@@ -922,15 +922,17 @@ sudo apt install pandoc
   Since there is no debian package, it is an option to install it via pip.
   I picked /opt for the installation path
 
-#+BEGIN_SRC shell
-  sudo su
-  cd /opt
-  python3 -m venv beancount
-  source ./beancount/bin/activate
-  pip3 install wheel
-  pip3 install beancount
-  deactivate
-#+END_SRC
+#+BEGIN_EXAMPLE
+sudo su
+cd /opt
+python3 -m venv beancount
+source ./beancount/bin/activate
+pip3 install wheel
+pip3 install beancount
+sleep 100
+echo "shell running!"
+deactivate
+#+END_EXAMPLE
 
   When using beancount, it will automatically pick the created virtual environment.
 
@@ -957,21 +959,20 @@ sudo apt install pandoc
 #+END_SRC
 
   Installing fava for reports is strongly recommended.
-  
-#+BEGIN_SRC shell
-  sudo su
+
+#+BEGIN_EXAMPLE
   cd /opt
   python3 -m venv vava
   source ./vava/bin/activate
   pip3 install wheel
   pip3 install fava
   deactivate
-#+END_SRC
+#+END_EXAMPLE
 
   Start fava with
-#+BEGIN_SRC shell
+#+BEGIN_EXAMPLE
   fava my_file.beancount
-#+END_SRC
+#+END_EXAMPLE
 
   It is accessable on this URL: [[http://127.0.0.1:5000][Fava]]
   Beancount-mode can start fava and open the URL right away.
@@ -1623,9 +1624,9 @@ END_SRC
    Major mode to edit markdown files.
    For previews it needs markdown installed on the system.
    For debian:
-#+BEGIN_SRC shell
+#+BEGIN_EXAMPLE
    sudo apt install markdown 
-#+END_SRC
+#+END_EXAMPLE
 
 #+BEGIN_SRC emacs-lisp
    (use-package markdown-mode