# File lib/cgikit.rb, line 2201
        def run
                @attr_alt    = fetch( 'alt' )         # String
                @attr_border = fetch( 'border' )      # Integer
                @attr_width  = fetch( 'width' )       # Integer
                @attr_height = fetch( 'height' )      # Integer
                @attr_file   = fetch( 'file' )        # String
                @attr_src    = fetch( 'src' )         # String
                @attr_data   = fetch( 'data', false ) # String

                check_required_attributes( ['file'], ['src'], ['data','mime'] )
                check_conflicted_attributes( 'file', 'src', 'data' )
        end