+ { "nrf", roff_unsupp, NULL, NULL, 0, NULL },
+ { "nroff", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "ns", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "nx", roff_insec, NULL, NULL, 0, NULL },
+ { "open", roff_insec, NULL, NULL, 0, NULL },
+ { "opena", roff_insec, NULL, NULL, 0, NULL },
+ { "os", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "output", roff_unsupp, NULL, NULL, 0, NULL },
+ { "padj", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "papersize", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "pc", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "pev", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "pi", roff_insec, NULL, NULL, 0, NULL },
+ { "PI", roff_unsupp, NULL, NULL, 0, NULL },
+ { "pl", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "pm", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "pn", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "pnr", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "po", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "ps", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "psbb", roff_unsupp, NULL, NULL, 0, NULL },
+ { "pshape", roff_unsupp, NULL, NULL, 0, NULL },
+ { "pso", roff_insec, NULL, NULL, 0, NULL },
+ { "ptr", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "pvs", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "rchar", roff_unsupp, NULL, NULL, 0, NULL },
+ { "rd", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "recursionlimit", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "return", roff_unsupp, NULL, NULL, 0, NULL },
+ { "rfschar", roff_unsupp, NULL, NULL, 0, NULL },
+ { "rhang", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "rj", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "rm", roff_rm, NULL, NULL, 0, NULL },
+ { "rn", roff_unsupp, NULL, NULL, 0, NULL },
+ { "rnn", roff_unsupp, NULL, NULL, 0, NULL },
+ { "rr", roff_rr, NULL, NULL, 0, NULL },
+ { "rs", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "rt", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "schar", roff_unsupp, NULL, NULL, 0, NULL },
+ { "sentchar", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "shc", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "shift", roff_unsupp, NULL, NULL, 0, NULL },
+ { "sizes", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "so", roff_so, NULL, NULL, 0, NULL },
+ { "spacewidth", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "special", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "spreadwarn", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "ss", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "sty", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "substring", roff_unsupp, NULL, NULL, 0, NULL },
+ { "sv", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "sy", roff_insec, NULL, NULL, 0, NULL },
+ { "T&", roff_T_, NULL, NULL, 0, NULL },
+ { "ta", roff_unsupp, NULL, NULL, 0, NULL },
+ { "tc", roff_unsupp, NULL, NULL, 0, NULL },
+ { "TE", roff_TE, NULL, NULL, 0, NULL },
+ { "TH", roff_TH, NULL, NULL, 0, NULL },
+ { "ti", roff_unsupp, NULL, NULL, 0, NULL },
+ { "tkf", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "tl", roff_unsupp, NULL, NULL, 0, NULL },
+ { "tm", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "tm1", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "tmc", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "tr", roff_tr, NULL, NULL, 0, NULL },
+ { "track", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "transchar", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "trf", roff_insec, NULL, NULL, 0, NULL },
+ { "trimat", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "trin", roff_unsupp, NULL, NULL, 0, NULL },
+ { "trnt", roff_unsupp, NULL, NULL, 0, NULL },
+ { "troff", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "TS", roff_TS, NULL, NULL, 0, NULL },
+ { "uf", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "ul", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "unformat", roff_unsupp, NULL, NULL, 0, NULL },
+ { "unwatch", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "unwatchn", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "vpt", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "vs", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "warn", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "warnscale", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "watch", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "watchlength", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "watchn", roff_line_ignore, NULL, NULL, 0, NULL },
+ { "wh", roff_unsupp, NULL, NULL, 0, NULL },
+ { "while", roff_unsupp, NULL, NULL, 0, NULL },
+ { "write", roff_insec, NULL, NULL, 0, NULL },
+ { "writec", roff_insec, NULL, NULL, 0, NULL },
+ { "writem", roff_insec, NULL, NULL, 0, NULL },
+ { "xflag", roff_line_ignore, NULL, NULL, 0, NULL },
+ { ".", roff_cblock, NULL, NULL, 0, NULL },
+ { NULL, roff_userdef, NULL, NULL, 0, NULL },