etc/gitattributes

   1 *.doc   diff=astextplain
   2 *.DOC   diff=astextplain
   3 *.dot   diff=astextplain
   4 *.DOT   diff=astextplain
   5 *.pdf   diff=astextplain
   6 *.PDF   diff=astextplain
   7 *.rtf   diff=astextplain
   8 *.RTF   diff=astextplain