readmine might throw null reference exception (#581)
readmine might throw null reference exception (#581)


pascalberger/docfx,pascalberger/docfx,hellosnow/docfx,hellosnow/docfx,dotnet/docfx,pascalberger/docfx,superyyrrzz/docfx,LordZoltan/docfx,hellosnow/docfx,928PJY/docfx,928PJY/docfx,LordZoltan/docfx,DuncanmaMSFT/docfx,superyyrrzz/docfx,superyyrrzz/docfx,928PJY/docfx,LordZoltan/docfx,dotnet/docfx,DuncanmaMSFT/docfx,dotnet/docfx,LordZoltan/docfx