text: struct MsoDocexTableAttr 
  { 
   static constexpr unsigned int MaxSpanBits = sizeof(unsigned int)*8 / 2 
  - 1; 
   static constexpr unsigned int MaxSpanValue = (1u << MaxSpanBits) - 1; 
  
   unsigned int rowSpan : MaxSpanBits; 
   unsigned int fRowScope : 1; 
   unsigned int colSpan : MaxSpanBits; 
   unsigned int fColScope : 1; 
  }; 