qemush : bug avec help à cause de l'alias

bin/qemush

@@ -18,9 +18,13 @@ bin="${HOME}/bin"
 images=images
 PATH="${bin}:${PATH}"
 EDITOR="${EDITOR:-nvim}"
-[ -t 1 ] && alias cat='source-highlight -f esc --style-file=esc.style -i'
 alias ls='ls --color=auto'
 alias exec='exec '
+if [ -t 1 ]; then
+    alias pretty_cat='source-highlight -f esc --style-file=esc.style -i'
+else
+    alias pretty_cat=cat
+fi
 shopt -s expand_aliases
 umask 027
 
@@ -106,7 +110,7 @@ public_shell() {
 }
 
 public_cat() {
-    exec cat "${bin}/${1}"
+    pretty_cat "${bin}/${1}"
 }
 
 public_add() {