Fixed folding bug (detecting indentation, example 8.2), and clipping/stripping empty strings (example 8.6)
Fixed folding bug (detecting indentation, example 8.2), and clipping/stripping empty strings (example 8.6)

vadz/yaml-cpp,bref/yaml-cpp,bref/yaml-cpp,gradecam/yaml-cpp,nebirhos/yaml-cpp,oftc/yaml-cpp,Astron/yaml-cpp,gradecam/yaml-cpp,gradecam/yaml-cpp,vadz/yaml-cpp,Astron/yaml-cpp,Astron/yaml-cpp,oftc/yaml-cpp,oftc/yaml-cpp,vadz/yaml-cpp,nebirhos/yaml-cpp,Astron/yaml-cpp,gradecam/yaml-cpp