@@ -105,6 +105,10 @@ symbols:
106 :+-*/=_.?|&><!@$%^~.
106 :+-*/=_.?|&><!@$%^~.
108+Some operators built from these symbols can't be user defined. These are
109+``:``, ``=>``, ``->``, ``<-``, ``=``, ``?=``, ``|``, ``**``,
110+``==>``, ``\\``, ``%``, ``~``, ``?``, and ``!``.