"\n"
"Whether these versions are visible and take up space is"
" determined by the outcome of the @code{break-visibility}"
- " grob property, which is a function taking a direction (-1, 0"
- " or@tie{}1) as an argument. It returns a cons of booleans,"
- " signifying whether this grob should be transparent and have"
- " no extent.\n"
+ " grob property, which is a function taking a direction"
+ " (@code{-1}, @code{0} or@tie{}@code{1}) as an argument. It"
+ " returns a cons of booleans, signifying whether this grob"
+ " should be transparent and have no extent.\n"
"\n"
"The following variables for @code{break-visibility} are"
" predefined:\n"