createImageGeneratorFactory
0 < = _colRange.start & & _colRange.start < = _colRange.end & & _colRange.end < = m.cols 0 < = _rowRange.start & & _rowRange.start < = _rowRange.end & & _rowRange.end < = m.rows Graph edges should start with 2 integers and a float Key may not start with '-' Key must start with a letter or _ Key should start with a letter or _ Name should start with a letter or underscore R == Range::all() || (0 < = r.start & & r.start < r.end & & r.end < = m.size[i]) Start slice index is out of range Tag should start with '< ' The YAML streams must start with '---', except the first one Type name should start with a letter or _ Valid XML should start with '< ?xml ...?> '