class extra_end_material 
{
    %% may have some garbage at sentence end, due to segmentation issues
    %% on some citation sentences (closing quote, coma, ...)
    Root >> ExtraAlt;
    node ExtraAlt: [type: alternative, star: *];
    ExtraAlt >> ExtraSPunct;
    node ExtraSPunct : [type: coanchor, cat: poncts];
    ExtraAlt >> ExtraWPunct;
    node ExtraWPunct : [type: coanchor, cat: ponctw];
    ExtraSPunct < ExtraWPunct;
    Root >> skip;
    node skip: [type: skip];
    Punct < ExtraAlt;
    ExtraAlt < skip;
}