MagickChannelOptions 1158 magick/fx.c          option=ParseCommandOption(MagickChannelOptions,MagickTrue,channel_symbol);
MagickChannelOptions 1268 magick/option.c     { "Channel", MagickChannelOptions, UndefinedOptionFlag, MagickFalse },
MagickChannelOptions 1939 magick/option.c     case MagickChannelOptions: return(ChannelOptions);
MagickChannelOptions 2395 magick/option.c   channel=ParseCommandOption(MagickChannelOptions,MagickTrue,channels);
MagickChannelOptions 2471 magick/option.c         type=ParseCommandOption(MagickChannelOptions,MagickTrue,channels+i+1);