Improved comments

lib/aaa_errors.sh

@@ -7,6 +7,8 @@
 # https://opensource.org/licenses/BSD-3-Clause
 # ------------------------------------------------------------------------------
  
+
+ # ------------------------------------------------------------------------------
 # Exit with error
 function die()
 {
@@ -27,6 +29,8 @@ function die()
 }
 export -f die
 
+
+# ------------------------------------------------------------------------------
 function terminate()
 {
     prnt E "$1 reçu, sortie immédiate."
@@ -35,6 +39,9 @@ function terminate()
 trap "terminate 'Ctrl + C'" SIGINT
 trap "terminate 'SIGTERM'"  SIGTERM
 
+
+# ------------------------------------------------------------------------------
+# Function triggered on error
 function error()
 {
     local parent_lineno="$1"
@@ -52,10 +59,11 @@ function error()
     fi
     #awk 'NR>L-4 && NR<L+4 { printf "%-5d%3s%s\n",NR,(NR==L?">>>":""),$0 }' L=$1 $0
 }
-
 # Trigger error function on error
 trap "error ${LINENO}; backtrace; exit 255" ERR
 
+
+# ------------------------------------------------------------------------------
 # Print a backtrace
 function backtrace
 {
@@ -70,6 +78,8 @@ function backtrace
     echo "=============================="
 }
 
+
+# ------------------------------------------------------------------------------
 # Test and exit if not root (or any UID 0 user)
 check_root()
 {