warning pendent operation

This report is given on opening and closing definition mode when attempting to edit a pendant function or operator.

Example

[0]   ∇FOO
[1]    GOO
[2]   ∇

[0]   ∇GOO
[1]    ∘
[2]   ∇

      FOO
SYNTAX ERROR
GOO[1] ∘
       ^

      ∇FOO
warning pendent operation
[0]   ∇FOO
[1]    GOO
[2]   ∇
warning pendent operation