@@ -105,6 +105,10 @@ symbols:
105105
106106 :+-*/=_.?|&><!@$%^~.
107107
108+Some operators built from these symbols can't be user defined. These are
109+``:``, ``=>``, ``->``, ``<-``, ``=``, ``?=``, ``|``, ``**``,
110+``==>``, ``\\``, ``%``, ``~``, ``?``, and ``!``.
111+
108112Functions
109113=========
110114