Adds a position to this group. The document region defined by the position
should contain the same c
Returns the positions contained in the receiver as an array. The positions are
the actual positions
Returns whether this group contains any positions.
Returns the position in this group that encompasses all positions ingroup.
Checks whether all positions contain the same string as the given position. If
not, then #fMustEnfor
Returns true if the receiver contains position.
Enforces the disjointness for another group
Finds the closest position to toFind.
Creates an edition of a document change that will forward any modification in
one position to all li
Checks whether event is a legal event for this group. An event is legal if it
touches at most one po