public static LigGlyph CreateFrom(BinaryReader reader, long beginAt)
        {
            reader.BaseStream.Seek(beginAt, SeekOrigin.Begin);
            //----------
            LigGlyph ligGlyph   = new LigGlyph();
            ushort   caretCount = reader.ReadUInt16();

            ligGlyph._caretValueOffsets = Utils.ReadUInt16Array(reader, caretCount);
            return(ligGlyph);
        }
        public static LigCaretList CreateFrom(BinaryReader reader, long beginAt)
        {
            reader.BaseStream.Seek(beginAt, SeekOrigin.Begin);
            //----
            LigCaretList ligcaretList   = new LigCaretList();
            ushort       coverageOffset = reader.ReadUInt16();
            ushort       ligGlyphCount  = reader.ReadUInt16();

            ushort[]   ligGlyphOffsets = Utils.ReadUInt16Array(reader, ligGlyphCount);
            LigGlyph[] ligGlyphs       = new LigGlyph[ligGlyphCount];
            for (int i = 0; i < ligGlyphCount; ++i)
            {
                ligGlyphs[i] = LigGlyph.CreateFrom(reader, beginAt + ligGlyphOffsets[i]);
            }
            ligcaretList._ligGlyphs     = ligGlyphs;
            ligcaretList._coverageTable = CoverageTable.CreateFrom(reader, beginAt + coverageOffset);
            return(ligcaretList);
        }