With no options, the regdebug command toggles the display manager debug flag. If a debug_level is supplied, then the display manager debug flag is set to that value.
The example shows the use of the regdebug command to toggle the display manager debug flag.
Example 1. Toggle display manager debug flag.
mged>
regdebug
Toggles the display manager debug flag.
Reports of bugs or problems should be submitted via electronic
mail to <devs@brlcad.org>