idlwave-class-arrow-face

idlwave-class-arrow-face is a variable defined in `idlwave.el'.
Its value is

bold

Documentation:
Face to highlight object operator arrows `->' which carry a class property.
When IDLWAVE stores a class name as text property on an object arrow
(see variable `idlwave-store-inquired-class', it highlights the arrow
with this font in order to remind the user that this arrow is special.

You can customize this variable.