gnus-treat-body-boundary

gnus-treat-body-boundary is a variable defined in `gnus-art.el'.
Its value is

nil

Documentation:
Draw a boundary at the end of the headers.
Valid values are nil and `head'.
See Info node `(gnus)Customizing Articles' for details.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 22.1 of Emacs.