1.75.1 Instance variables

hbox <- ascent: 0..

Height above baseline. For tbox objects this is the font<-ascent. For grbox objects this is determines by the grbox<-baseline attribute.

Hbox objects with non-zero ascent are commonly used as first box in a paragraph to create vertical white space.

hbox <- rubber: rubber*

Stretch/shrinkability. See class rubber for details. The default hbox<-rubber for an hbox object is @nil, implying the box’size is fixed and it can not break a line.