XS_REBAR_PULLOUT_ANGLE_TEXT_UNDERLINE
Category in Advanced options dialog: Concrete detailing
Set this advanced option to TRUE to draw an line under the angle text in pull-outs. If you set it to TRUE, then the advanced option XS_REBAR_PULLOUT_ANGLE_TEXT_FRAME is ignored. By default, this advanced option is set to FALSE, and no underline is drawn.
This advanced option is model specific and the setting is saved in the options database.