Format nicely some example code

zshrc.org

@@ -73,6 +73,7 @@ defined in the previous section.
     tell the shell where to look for them. Whenever you reference a
     function, the shell will automatically load it into memory.
 
+#+begin_src sh :tangle no
   % mkdir /tmp/funs
   % cat >/tmp/funs/yp
   ypmatch $1 passwd.byname
@@ -92,6 +93,7 @@ egsirer:*:3214:35:Emin Gun Sirer:/u/egsirer:/bin/sh
   yp () {
           ypmatch $1 passwd.byname
   }
+#+end_src
 
 
 *** Include                                                         :daily: