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Annotation of mandoc/mandoc.h, Revision 1.265

1.265   ! schwarze    1: /*     $Id: mandoc.h,v 1.264 2019/07/14 18:16:13 schwarze Exp $ */
1.1       kristaps    2: /*
1.160     schwarze    3:  * Copyright (c) 2010, 2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
1.265   ! schwarze    4:  * Copyright (c) 2012-2020 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
1.202     schwarze   10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.1       kristaps   11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.202     schwarze   12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.1       kristaps   13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.258     schwarze   17:  *
                     18:  * Error handling, escape sequence, and character utilities.
1.1       kristaps   19:  */
1.7       kristaps   20:
                     21: #define ASCII_NBRSP     31  /* non-breaking space */
                     22: #define        ASCII_HYPH       30  /* breakable hyphen */
1.115     schwarze   23: #define        ASCII_BREAK      29  /* breakable zero-width space */
1.7       kristaps   24:
1.22      kristaps   25: /*
                     26:  * Status level.  This refers to both internal status (i.e., whilst
                     27:  * running, when warnings/errors are reported) and an indicator of a
                     28:  * threshold of when to halt (when said internal state exceeds the
                     29:  * threshold).
                     30:  */
1.18      schwarze   31: enum   mandoclevel {
                     32:        MANDOCLEVEL_OK = 0,
1.216     schwarze   33:        MANDOCLEVEL_STYLE, /* style suggestions */
1.22      kristaps   34:        MANDOCLEVEL_WARNING, /* warnings: syntax, whitespace, etc. */
                     35:        MANDOCLEVEL_ERROR, /* input has been thrown away */
1.183     schwarze   36:        MANDOCLEVEL_UNSUPP, /* input needs unimplemented features */
1.22      kristaps   37:        MANDOCLEVEL_BADARG, /* bad argument in invocation */
                     38:        MANDOCLEVEL_SYSERR, /* system error */
1.18      schwarze   39:        MANDOCLEVEL_MAX
                     40: };
                     41:
1.22      kristaps   42: /*
                     43:  * All possible things that can go wrong within a parse, be it libroff,
                     44:  * libmdoc, or libman.
                     45:  */
1.1       kristaps   46: enum   mandocerr {
                     47:        MANDOCERR_OK,
1.216     schwarze   48:
1.233     schwarze   49:        MANDOCERR_BASE, /* ===== start of base system conventions ===== */
1.217     schwarze   50:
1.229     schwarze   51:        MANDOCERR_MDOCDATE, /* Mdocdate found: Dd ... */
                     52:        MANDOCERR_MDOCDATE_MISSING, /* Mdocdate missing: Dd ... */
1.235     schwarze   53:        MANDOCERR_ARCH_BAD,  /* unknown architecture: Dt ... arch */
1.234     schwarze   54:        MANDOCERR_OS_ARG,  /* operating system explicitly specified: Os ... */
1.233     schwarze   55:        MANDOCERR_RCS_MISSING, /* RCS id missing */
1.238     schwarze   56:        MANDOCERR_XR_BAD,  /* referenced manual not found: Xr name sec */
1.233     schwarze   57:
                     58:        MANDOCERR_STYLE, /* ===== start of style suggestions ===== */
                     59:
1.229     schwarze   60:        MANDOCERR_DATE_LEGACY, /* legacy man(7) date format: Dd ... */
1.248     schwarze   61:        MANDOCERR_DATE_NORM, /* normalizing date format to: ... */
1.243     schwarze   62:        MANDOCERR_TITLE_CASE, /* lower case character in document title */
1.232     schwarze   63:        MANDOCERR_RCS_REP, /* duplicate RCS id: ... */
1.246     schwarze   64:        MANDOCERR_SEC_TYPO,  /* possible typo in section name: Sh ... */
1.243     schwarze   65:        MANDOCERR_ARG_QUOTE, /* unterminated quoted argument */
1.217     schwarze   66:        MANDOCERR_MACRO_USELESS, /* useless macro: macro */
1.218     schwarze   67:        MANDOCERR_BX, /* consider using OS macro: macro */
1.224     schwarze   68:        MANDOCERR_ER_ORDER, /* errnos out of order: Er ... */
                     69:        MANDOCERR_ER_REP, /* duplicate errno: Er ... */
1.241     schwarze   70:        MANDOCERR_DELIM, /* trailing delimiter: macro ... */
                     71:        MANDOCERR_DELIM_NB, /* no blank before trailing delimiter: macro ... */
1.243     schwarze   72:        MANDOCERR_FI_SKIP, /* fill mode already enabled, skipping: fi */
                     73:        MANDOCERR_NF_SKIP, /* fill mode already disabled, skipping: nf */
1.247     schwarze   74:        MANDOCERR_DASHDASH, /* verbatim "--", maybe consider using \(em */
1.228     schwarze   75:        MANDOCERR_FUNC, /* function name without markup: name() */
1.243     schwarze   76:        MANDOCERR_SPACE_EOL, /* whitespace at end of input line */
                     77:        MANDOCERR_COMMENT_BAD, /* bad comment style */
1.13      schwarze   78:
1.21      kristaps   79:        MANDOCERR_WARNING, /* ===== start of warnings ===== */
1.32      kristaps   80:
                     81:        /* related to the prologue */
1.152     schwarze   82:        MANDOCERR_DT_NOTITLE, /* missing manual title, using UNTITLED: line */
                     83:        MANDOCERR_TH_NOTITLE, /* missing manual title, using "": [macro] */
                     84:        MANDOCERR_MSEC_MISSING, /* missing manual section, using "": macro */
1.151     schwarze   85:        MANDOCERR_MSEC_BAD, /* unknown manual section: Dt ... section */
1.265   ! schwarze   86:        MANDOCERR_DATE_MISSING, /* missing date, using "": [macro] */
1.125     schwarze   87:        MANDOCERR_DATE_BAD, /* cannot parse date, using it verbatim: date */
1.240     schwarze   88:        MANDOCERR_DATE_FUTURE, /* date in the future, using it anyway: date */
1.152     schwarze   89:        MANDOCERR_OS_MISSING, /* missing Os macro, using "" */
                     90:        MANDOCERR_PROLOG_LATE, /* late prologue macro: macro */
                     91:        MANDOCERR_PROLOG_ORDER, /* prologue macros out of order: macros */
1.32      kristaps   92:
                     93:        /* related to document structure */
1.151     schwarze   94:        MANDOCERR_SO, /* .so is fragile, better use ln(1): so path */
1.122     schwarze   95:        MANDOCERR_DOC_EMPTY, /* no document body */
1.125     schwarze   96:        MANDOCERR_SEC_BEFORE, /* content before first section header: macro */
1.151     schwarze   97:        MANDOCERR_NAMESEC_FIRST, /* first section is not NAME: Sh title */
1.212     schwarze   98:        MANDOCERR_NAMESEC_NONM, /* NAME section without Nm before Nd */
1.201     schwarze   99:        MANDOCERR_NAMESEC_NOND, /* NAME section without description */
                    100:        MANDOCERR_NAMESEC_ND, /* description not at the end of NAME */
                    101:        MANDOCERR_NAMESEC_BAD, /* bad NAME section content: macro */
1.212     schwarze  102:        MANDOCERR_NAMESEC_PUNCT, /* missing comma before name: Nm name */
1.195     schwarze  103:        MANDOCERR_ND_EMPTY, /* missing description line, using "" */
1.215     schwarze  104:        MANDOCERR_ND_LATE, /* description line outside NAME section */
1.151     schwarze  105:        MANDOCERR_SEC_ORDER, /* sections out of conventional order: Sh title */
                    106:        MANDOCERR_SEC_REP, /* duplicate section title: Sh title */
                    107:        MANDOCERR_SEC_MSEC, /* unexpected section: Sh title for ... only */
1.239     schwarze  108:        MANDOCERR_XR_SELF,  /* cross reference to self: Xr name sec */
1.155     schwarze  109:        MANDOCERR_XR_ORDER, /* unusual Xr order: ... after ... */
                    110:        MANDOCERR_XR_PUNCT, /* unusual Xr punctuation: ... after ... */
1.154     schwarze  111:        MANDOCERR_AN_MISSING, /* AUTHORS section without An macro */
1.32      kristaps  112:
                    113:        /* related to macros and nesting */
1.126     schwarze  114:        MANDOCERR_MACRO_OBS, /* obsolete macro: macro */
1.172     schwarze  115:        MANDOCERR_MACRO_CALL, /* macro neither callable nor escaped: macro */
1.127     schwarze  116:        MANDOCERR_PAR_SKIP, /* skipping paragraph macro: macro ... */
                    117:        MANDOCERR_PAR_MOVE, /* moving paragraph macro out of list: macro */
1.128     schwarze  118:        MANDOCERR_NS_SKIP, /* skipping no-space macro */
1.141     schwarze  119:        MANDOCERR_BLK_NEST, /* blocks badly nested: macro ... */
1.128     schwarze  120:        MANDOCERR_BD_NEST, /* nested displays are not portable: macro ... */
1.129     schwarze  121:        MANDOCERR_BL_MOVE, /* moving content out of list: macro */
1.237     schwarze  122:        MANDOCERR_TA_LINE, /* first macro on line: Ta */
1.141     schwarze  123:        MANDOCERR_BLK_LINE, /* line scope broken: macro breaks macro */
1.222     schwarze  124:        MANDOCERR_BLK_BLANK, /* skipping blank line in line scope */
1.32      kristaps  125:
1.131     schwarze  126:        /* related to missing arguments */
                    127:        MANDOCERR_REQ_EMPTY, /* skipping empty request: request */
                    128:        MANDOCERR_COND_EMPTY, /* conditional request controls empty scope */
1.130     schwarze  129:        MANDOCERR_MACRO_EMPTY, /* skipping empty macro: macro */
1.198     schwarze  130:        MANDOCERR_BLK_EMPTY, /* empty block: macro */
1.135     schwarze  131:        MANDOCERR_ARG_EMPTY, /* empty argument, using 0n: macro arg */
1.151     schwarze  132:        MANDOCERR_BD_NOTYPE, /* missing display type, using -ragged: Bd */
                    133:        MANDOCERR_BL_LATETYPE, /* list type is not the first argument: Bl arg */
1.210     schwarze  134:        MANDOCERR_BL_NOWIDTH, /* missing -width in -tag list, using 6n */
1.151     schwarze  135:        MANDOCERR_EX_NONAME, /* missing utility name, using "": Ex */
1.197     schwarze  136:        MANDOCERR_FO_NOHEAD, /* missing function name, using "": Fo */
1.151     schwarze  137:        MANDOCERR_IT_NOHEAD, /* empty head in list item: Bl -type It */
                    138:        MANDOCERR_IT_NOBODY, /* empty list item: Bl -type It */
1.237     schwarze  139:        MANDOCERR_IT_NOARG, /* missing argument, using next line: Bl -c It */
1.151     schwarze  140:        MANDOCERR_BF_NOFONT, /* missing font type, using \fR: Bf */
                    141:        MANDOCERR_BF_BADFONT, /* unknown font type, using \fR: Bf font */
1.173     schwarze  142:        MANDOCERR_PF_SKIP, /* nothing follows prefix: Pf arg */
1.196     schwarze  143:        MANDOCERR_RS_EMPTY, /* empty reference block: Rs */
1.211     schwarze  144:        MANDOCERR_XR_NOSEC, /* missing section argument: Xr arg */
1.133     schwarze  145:        MANDOCERR_ARG_STD, /* missing -std argument, adding it: macro */
1.199     schwarze  146:        MANDOCERR_OP_EMPTY, /* missing option string, using "": OP */
                    147:        MANDOCERR_UR_NOHEAD, /* missing resource identifier, using "": UR */
1.162     schwarze  148:        MANDOCERR_EQN_NOBOX, /* missing eqn box, using "": op */
1.13      schwarze  149:
1.137     schwarze  150:        /* related to bad arguments */
1.135     schwarze  151:        MANDOCERR_ARG_REP, /* duplicate argument: macro arg */
1.149     schwarze  152:        MANDOCERR_AN_REP, /* skipping duplicate argument: An -arg */
1.151     schwarze  153:        MANDOCERR_BD_REP, /* skipping duplicate display type: Bd -type */
                    154:        MANDOCERR_BL_REP, /* skipping duplicate list type: Bl -type */
1.149     schwarze  155:        MANDOCERR_BL_SKIPW, /* skipping -width argument: Bl -type */
1.200     schwarze  156:        MANDOCERR_BL_COL, /* wrong number of cells */
1.151     schwarze  157:        MANDOCERR_AT_BAD, /* unknown AT&T UNIX version: At version */
1.156     schwarze  158:        MANDOCERR_FA_COMMA, /* comma in function argument: arg */
1.161     schwarze  159:        MANDOCERR_FN_PAREN, /* parenthesis in function name: arg */
1.225     schwarze  160:        MANDOCERR_LB_BAD, /* unknown library name: Lb ... */
1.140     schwarze  161:        MANDOCERR_RS_BAD, /* invalid content in Rs block: macro */
1.136     schwarze  162:        MANDOCERR_SM_BAD, /* invalid Boolean argument: macro arg */
1.253     schwarze  163:        MANDOCERR_CHAR_FONT, /* argument contains two font escapes */
1.151     schwarze  164:        MANDOCERR_FT_BAD, /* unknown font, skipping request: ft font */
1.200     schwarze  165:        MANDOCERR_TR_ODD, /* odd number of characters in request: tr char */
1.32      kristaps  166:
                    167:        /* related to plain text */
1.137     schwarze  168:        MANDOCERR_FI_BLANK, /* blank line in fill mode, using .sp */
                    169:        MANDOCERR_FI_TAB, /* tab in filled text */
1.214     schwarze  170:        MANDOCERR_EOS, /* new sentence, new line */
1.137     schwarze  171:        MANDOCERR_ESC_BAD, /* invalid escape sequence: esc */
1.261     schwarze  172:        MANDOCERR_ESC_UNDEF, /* undefined escape, printing literally: char */
1.137     schwarze  173:        MANDOCERR_STR_UNDEF, /* undefined string, using "": name */
1.79      kristaps  174:
1.189     schwarze  175:        /* related to tables */
                    176:        MANDOCERR_TBLLAYOUT_SPAN, /* tbl line starts with span */
                    177:        MANDOCERR_TBLLAYOUT_DOWN, /* tbl column starts with span */
                    178:        MANDOCERR_TBLLAYOUT_VERT, /* skipping vertical bar in tbl layout */
                    179:
1.32      kristaps  180:        MANDOCERR_ERROR, /* ===== start of errors ===== */
                    181:
1.42      kristaps  182:        /* related to tables */
1.187     schwarze  183:        MANDOCERR_TBLOPT_ALPHA, /* non-alphabetic character in tbl options */
                    184:        MANDOCERR_TBLOPT_BAD, /* skipping unknown tbl option: option */
1.191     schwarze  185:        MANDOCERR_TBLOPT_NOARG, /* missing tbl option argument: option */
                    186:        MANDOCERR_TBLOPT_ARGSZ, /* wrong tbl option argument size: option */
1.189     schwarze  187:        MANDOCERR_TBLLAYOUT_NONE, /* empty tbl layout */
                    188:        MANDOCERR_TBLLAYOUT_CHAR, /* invalid character in tbl layout: char */
                    189:        MANDOCERR_TBLLAYOUT_PAR, /* unmatched parenthesis in tbl layout */
1.191     schwarze  190:        MANDOCERR_TBLDATA_NONE, /* tbl without any data cells */
                    191:        MANDOCERR_TBLDATA_SPAN, /* ignoring data in spanned tbl cell: data */
                    192:        MANDOCERR_TBLDATA_EXTRA, /* ignoring extra tbl data cells: data */
                    193:        MANDOCERR_TBLDATA_BLK, /* data block open at end of tbl: macro */
1.42      kristaps  194:
1.141     schwarze  195:        /* related to document structure and macros */
1.243     schwarze  196:        MANDOCERR_PROLOG_REP, /* duplicate prologue macro: macro */
                    197:        MANDOCERR_DT_LATE, /* skipping late title macro: Dt args */
1.33      schwarze  198:        MANDOCERR_ROFFLOOP, /* input stack limit exceeded, infinite loop? */
1.185     schwarze  199:        MANDOCERR_CHAR_BAD, /* skipping bad character: number */
1.151     schwarze  200:        MANDOCERR_MACRO, /* skipping unknown macro: macro */
1.250     schwarze  201:        MANDOCERR_REQ_NOMAC, /* skipping request outside macro: ... */
1.183     schwarze  202:        MANDOCERR_REQ_INSEC, /* skipping insecure request: request */
1.151     schwarze  203:        MANDOCERR_IT_STRAY, /* skipping item outside list: It ... */
                    204:        MANDOCERR_TA_STRAY, /* skipping column outside column list: Ta */
1.141     schwarze  205:        MANDOCERR_BLK_NOTOPEN, /* skipping end of block that is not open */
1.186     schwarze  206:        MANDOCERR_RE_NOTOPEN, /* fewer RS blocks open, skipping: RE arg */
1.141     schwarze  207:        MANDOCERR_BLK_BROKEN, /* inserting missing end of block: macro ... */
                    208:        MANDOCERR_BLK_NOEND, /* appending missing end of block: macro */
                    209:
                    210:        /* related to request and macro arguments */
1.151     schwarze  211:        MANDOCERR_NAMESC, /* escaped character not allowed in a name: name */
1.250     schwarze  212:        MANDOCERR_ARG_UNDEF, /* using macro argument outside macro */
                    213:        MANDOCERR_ARG_NONUM, /* argument number is not numeric */
1.170     schwarze  214:        MANDOCERR_BD_FILE, /* NOT IMPLEMENTED: Bd -file */
1.207     schwarze  215:        MANDOCERR_BD_NOARG, /* skipping display without arguments: Bd */
1.151     schwarze  216:        MANDOCERR_BL_NOTYPE, /* missing list type, using -item: Bl */
1.223     schwarze  217:        MANDOCERR_CE_NONUM, /* argument is not numeric, using 1: ce ... */
1.253     schwarze  218:        MANDOCERR_CHAR_ARG, /* argument is not a character: char ... */
1.151     schwarze  219:        MANDOCERR_NM_NONAME, /* missing manual name, using "": Nm */
1.144     schwarze  220:        MANDOCERR_OS_UNAME, /* uname(3) system call failed, using UNKNOWN */
1.151     schwarze  221:        MANDOCERR_ST_BAD, /* unknown standard specifier: St standard */
1.144     schwarze  222:        MANDOCERR_IT_NONUM, /* skipping request without numeric argument */
1.250     schwarze  223:        MANDOCERR_SHIFT, /* excessive shift: ..., but max is ... */
1.180     schwarze  224:        MANDOCERR_SO_PATH, /* NOT IMPLEMENTED: .so with absolute path or ".." */
1.181     schwarze  225:        MANDOCERR_SO_FAIL, /* .so request failed */
1.134     schwarze  226:        MANDOCERR_ARG_SKIP, /* skipping all arguments: macro args */
                    227:        MANDOCERR_ARG_EXCESS, /* skipping excess arguments: macro ... args */
1.164     kristaps  228:        MANDOCERR_DIVZERO, /* divide by zero */
1.183     schwarze  229:
                    230:        MANDOCERR_UNSUPP, /* ===== start of unsupported features ===== */
                    231:
                    232:        MANDOCERR_TOOLARGE, /* input too large */
1.185     schwarze  233:        MANDOCERR_CHAR_UNSUPP, /* unsupported control character: number */
1.261     schwarze  234:        MANDOCERR_ESC_UNSUPP, /* unsupported escape sequence: escape */
1.183     schwarze  235:        MANDOCERR_REQ_UNSUPP, /* unsupported roff request: request */
1.252     schwarze  236:        MANDOCERR_WHILE_NEST, /* nested .while loops */
                    237:        MANDOCERR_WHILE_OUTOF, /* end of scope with open .while loop */
                    238:        MANDOCERR_WHILE_INTO, /* end of .while loop in inner scope */
                    239:        MANDOCERR_WHILE_FAIL, /* cannot continue this .while loop */
1.191     schwarze  240:        MANDOCERR_TBLOPT_EQN, /* eqn delim option in tbl: arg */
1.189     schwarze  241:        MANDOCERR_TBLLAYOUT_MOD, /* unsupported tbl layout modifier: m */
1.183     schwarze  242:        MANDOCERR_TBLMACRO, /* ignoring macro in table: macro */
1.263     schwarze  243:
                    244:        MANDOCERR_BADARG, /* ===== start of bad invocations ===== */
                    245:
                    246:        MANDOCERR_BADARG_BAD, /* bad argument */
                    247:        MANDOCERR_BADARG_DUPE, /* duplicate argument */
                    248:        MANDOCERR_BADVAL, /* does not take a value */
                    249:        MANDOCERR_BADVAL_MISS, /* missing argument value */
                    250:        MANDOCERR_BADVAL_BAD, /* bad argument value */
                    251:        MANDOCERR_BADVAL_DUPE, /* duplicate argument value */
                    252:        MANDOCERR_TAG, /* no such tag */
                    253:
                    254:        MANDOCERR_SYSERR, /* ===== start of system errors ===== */
                    255:
                    256:        MANDOCERR_DUP,
                    257:        MANDOCERR_EXEC,
                    258:        MANDOCERR_FDOPEN,
                    259:        MANDOCERR_FFLUSH,
                    260:        MANDOCERR_FORK,
                    261:        MANDOCERR_FSTAT,
                    262:        MANDOCERR_GETLINE,
                    263:        MANDOCERR_GLOB,
                    264:        MANDOCERR_GZCLOSE,
                    265:        MANDOCERR_GZDOPEN,
                    266:        MANDOCERR_MKSTEMP,
                    267:        MANDOCERR_OPEN,
                    268:        MANDOCERR_PLEDGE,
                    269:        MANDOCERR_READ,
                    270:        MANDOCERR_WAIT,
                    271:        MANDOCERR_WRITE,
1.113     schwarze  272:
1.1       kristaps  273:        MANDOCERR_MAX
1.16      kristaps  274: };
1.22      kristaps  275:
1.70      kristaps  276: enum   mandoc_esc {
                    277:        ESCAPE_ERROR = 0, /* bail! unparsable escape */
1.261     schwarze  278:        ESCAPE_UNSUPP, /* unsupported escape; ignore it */
1.70      kristaps  279:        ESCAPE_IGNORE, /* escape to be ignored */
1.261     schwarze  280:        ESCAPE_UNDEF, /* undefined escape; print literal character */
1.70      kristaps  281:        ESCAPE_SPECIAL, /* a regular special character */
                    282:        ESCAPE_FONT, /* a generic font mode */
                    283:        ESCAPE_FONTBOLD, /* bold font mode */
                    284:        ESCAPE_FONTITALIC, /* italic font mode */
1.109     schwarze  285:        ESCAPE_FONTBI, /* bold italic font mode */
1.70      kristaps  286:        ESCAPE_FONTROMAN, /* roman font mode */
1.254     schwarze  287:        ESCAPE_FONTCW, /* constant width font mode */
1.70      kristaps  288:        ESCAPE_FONTPREV, /* previous font mode */
                    289:        ESCAPE_NUMBERED, /* a numbered glyph */
1.75      kristaps  290:        ESCAPE_UNICODE, /* a unicode codepoint */
1.249     schwarze  291:        ESCAPE_DEVICE, /* print the output device name */
1.230     schwarze  292:        ESCAPE_BREAK, /* break the output line */
1.102     schwarze  293:        ESCAPE_NOSPACE, /* suppress space if the last on a line */
1.220     schwarze  294:        ESCAPE_HORIZ, /* horizontal movement */
1.221     schwarze  295:        ESCAPE_HLINE, /* horizontal line drawing */
1.184     schwarze  296:        ESCAPE_SKIPCHAR, /* skip the next character */
                    297:        ESCAPE_OVERSTRIKE /* overstrike all chars in the argument */
1.70      kristaps  298: };
                    299:
1.176     schwarze  300:
1.262     schwarze  301: enum mandoc_esc          mandoc_font(const char *, int sz);
1.112     schwarze  302: enum mandoc_esc          mandoc_escape(const char **, const char **, int *);
1.259     schwarze  303: void             mandoc_msg_setoutfile(FILE *);
                    304: const char      *mandoc_msg_getinfilename(void);
                    305: void             mandoc_msg_setinfilename(const char *);
                    306: enum mandocerr   mandoc_msg_getmin(void);
                    307: void             mandoc_msg_setmin(enum mandocerr);
                    308: enum mandoclevel  mandoc_msg_getrc(void);
                    309: void             mandoc_msg_setrc(enum mandoclevel);
1.260     schwarze  310: void             mandoc_msg(enum mandocerr, int, int, const char *, ...)
                    311:                        __attribute__((__format__ (__printf__, 4, 5)));
1.264     schwarze  312: void             mandoc_msg_summary(void);
1.206     schwarze  313: void             mchars_alloc(void);
                    314: void             mchars_free(void);
1.168     schwarze  315: int              mchars_num2char(const char *, size_t);
1.166     schwarze  316: const char      *mchars_uc2str(int);
1.76      kristaps  317: int              mchars_num2uc(const char *, size_t);
1.206     schwarze  318: int              mchars_spec2cp(const char *, size_t);
                    319: const char      *mchars_spec2str(const char *, size_t, size_t *);

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