void maketables();
DocId DocIdAtTextPos(BlockArray*, TextPosition) const;
ulong Search(uchar const *, TextPosition, TextPosition *, TextPosition *) const;
+ ulong SearchLessThan(uchar const *, TextPosition, TextPosition *, TextPosition *) const;
// TextPosition Inverse(TextPosition) const;
// TextPosition LF(uchar c, TextPosition &sp, TextPosition &ep) const;
// TextPosition Psi(TextPosition) const;