=
"\nusage: resid [options] <d1> <d2> ... [-L <f1> <f2> ...]"
" [-D x:y:z] \\\n"
" [-M c=a:b d=c:e:f ...]\n\n"
"where <d1>, <d2>, ... are names of files containing observed\n"
"site pattern frequencies, and <f1>, <f2>, ... contain the\n"
"corresponding fitted values as produced by legofit. Must include\n"
"at least one data file. Fitted files are optional. If present, their\n"
"number must equal that of the data files. The optional -D argument\n"
"introduces a colon-separated list of populations to delete. The\n"
"optional -M argument introduces one or more remappings, which collapse\n"
"two or more populations into a single label. Data files must precede\n"
"the -L, -D, and -M arguments on the command line.\n\n"
"Options:\n" " -h or --help : print this message.\n"