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simple implementation of the roff(7) .als (macro alias) request,
[mandoc.git] / read.c
diff --git a/read.c b/read.c
index 4a0ee101e2a4371d0a9fd81da491975f0a8500e0..f86d57003a9726b9f4bea2adf1b974f498d5084d 100644 (file)
--- a/read.c
+++ b/read.c
@@ -1,16 +1,16 @@
-/*     $Id: read.c,v 1.90 2014/10/12 19:31:41 schwarze Exp $ */
+/*     $Id: read.c,v 1.176 2017/06/11 19:37:01 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
- * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2010-2017 Ingo Schwarze <schwarze@openbsd.org>
  * Copyright (c) 2010, 2012 Joerg Sonnenberger <joerg@netbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
  * Copyright (c) 2010, 2012 Joerg Sonnenberger <joerg@netbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  * copyright notice and this permission notice appear in all copies.
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
@@ -19,43 +19,36 @@
 #include "config.h"
 
 #include <sys/types.h>
 #include "config.h"
 
 #include <sys/types.h>
-#if HAVE_MMAP
 #include <sys/mman.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
 #include <sys/stat.h>
-#endif
-#include <sys/wait.h>
 
 #include <assert.h>
 #include <ctype.h>
 
 #include <assert.h>
 #include <ctype.h>
+#if HAVE_ERR
+#include <err.h>
+#endif
 #include <errno.h>
 #include <fcntl.h>
 #include <stdarg.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <stdarg.h>
-#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <zlib.h>
 
 
-#include "mandoc.h"
 #include "mandoc_aux.h"
 #include "mandoc_aux.h"
-#include "libmandoc.h"
+#include "mandoc.h"
+#include "roff.h"
 #include "mdoc.h"
 #include "man.h"
 #include "mdoc.h"
 #include "man.h"
-#include "main.h"
+#include "libmandoc.h"
+#include "roff_int.h"
 
 #define        REPARSE_LIMIT   1000
 
 
 #define        REPARSE_LIMIT   1000
 
-struct buf {
-       char             *buf; /* binary input buffer */
-       size_t            sz; /* size of binary buffer */
-};
-
 struct mparse {
 struct mparse {
-       struct man       *pman; /* persistent man parser */
-       struct mdoc      *pmdoc; /* persistent mdoc parser */
-       struct man       *man; /* man parser */
-       struct mdoc      *mdoc; /* mdoc parser */
        struct roff      *roff; /* roff parser (!NULL) */
        struct roff      *roff; /* roff parser (!NULL) */
+       struct roff_man  *man; /* man parser */
        char             *sodest; /* filename pointed to by .so */
        const char       *file; /* filename of current input file */
        struct buf       *primary; /* buffer currently being parsed */
        char             *sodest; /* filename pointed to by .so */
        const char       *file; /* filename of current input file */
        struct buf       *primary; /* buffer currently being parsed */
@@ -65,13 +58,15 @@ struct      mparse {
        enum mandoclevel  file_status; /* status of current parse */
        enum mandoclevel  wlevel; /* ignore messages below this */
        int               options; /* parser options */
        enum mandoclevel  file_status; /* status of current parse */
        enum mandoclevel  wlevel; /* ignore messages below this */
        int               options; /* parser options */
+       int               gzip; /* current input file is gzipped */
+       int               filenc; /* encoding of the current file */
        int               reparse_count; /* finite interp. stack */
        int               line; /* line number in the file */
 };
 
 static void      choose_parser(struct mparse *);
 static void      resize_buf(struct buf *, size_t);
        int               reparse_count; /* finite interp. stack */
        int               line; /* line number in the file */
 };
 
 static void      choose_parser(struct mparse *);
 static void      resize_buf(struct buf *, size_t);
-static void      mparse_buf_r(struct mparse *, struct buf, int);
+static int       mparse_buf_r(struct mparse *, struct buf, size_t, int);
 static int       read_whole_file(struct mparse *, const char *, int,
                                struct buf *, int *);
 static void      mparse_end(struct mparse *);
 static int       read_whole_file(struct mparse *, const char *, int,
                                struct buf *, int *);
 static void      mparse_end(struct mparse *);
@@ -80,10 +75,10 @@ static      void      mparse_parse_buffer(struct mparse *, struct buf,
 
 static const enum mandocerr    mandoclimits[MANDOCLEVEL_MAX] = {
        MANDOCERR_OK,
 
 static const enum mandocerr    mandoclimits[MANDOCLEVEL_MAX] = {
        MANDOCERR_OK,
-       MANDOCERR_WARNING,
+       MANDOCERR_STYLE,
        MANDOCERR_WARNING,
        MANDOCERR_ERROR,
        MANDOCERR_WARNING,
        MANDOCERR_ERROR,
-       MANDOCERR_FATAL,
+       MANDOCERR_UNSUPP,
        MANDOCERR_MAX,
        MANDOCERR_MAX
 };
        MANDOCERR_MAX,
        MANDOCERR_MAX
 };
@@ -91,6 +86,19 @@ static       const enum mandocerr    mandoclimits[MANDOCLEVEL_MAX] = {
 static const char * const      mandocerrs[MANDOCERR_MAX] = {
        "ok",
 
 static const char * const      mandocerrs[MANDOCERR_MAX] = {
        "ok",
 
+       "generic style suggestion",
+
+       "Mdocdate found",
+       "Mdocdate missing",
+       "legacy man(7) date format",
+       "useless macro",
+       "consider using OS macro",
+       "errnos out of order",
+       "duplicate errno",
+       "description line ends with a full stop",
+       "no blank before trailing delimiter",
+       "function name without markup",
+
        "generic warning",
 
        /* related to the prologue */
        "generic warning",
 
        /* related to the prologue */
@@ -99,7 +107,6 @@ static       const char * const      mandocerrs[MANDOCERR_MAX] = {
        "lower case character in document title",
        "missing manual section, using \"\"",
        "unknown manual section",
        "lower case character in document title",
        "missing manual section, using \"\"",
        "unknown manual section",
-       "unknown manual volume or arch",
        "missing date, using today's date",
        "cannot parse date, using it verbatim",
        "missing Os macro, using \"\"",
        "missing date, using today's date",
        "cannot parse date, using it verbatim",
        "missing Os macro, using \"\"",
@@ -113,7 +120,13 @@ static     const char * const      mandocerrs[MANDOCERR_MAX] = {
        "no document body",
        "content before first section header",
        "first section is not \"NAME\"",
        "no document body",
        "content before first section header",
        "first section is not \"NAME\"",
-       "bad NAME section contents",
+       "NAME section without Nm before Nd",
+       "NAME section without description",
+       "description not at the end of NAME",
+       "bad NAME section content",
+       "missing comma before name",
+       "missing description line, using \"\"",
+       "description line outside NAME section",
        "sections out of conventional order",
        "duplicate section title",
        "unexpected section",
        "sections out of conventional order",
        "duplicate section title",
        "unexpected section",
@@ -123,32 +136,39 @@ static    const char * const      mandocerrs[MANDOCERR_MAX] = {
 
        /* related to macros and nesting */
        "obsolete macro",
 
        /* related to macros and nesting */
        "obsolete macro",
+       "macro neither callable nor escaped",
        "skipping paragraph macro",
        "moving paragraph macro out of list",
        "skipping no-space macro",
        "blocks badly nested",
        "nested displays are not portable",
        "moving content out of list",
        "skipping paragraph macro",
        "moving paragraph macro out of list",
        "skipping no-space macro",
        "blocks badly nested",
        "nested displays are not portable",
        "moving content out of list",
-       ".Vt block has child macro",
        "fill mode already enabled, skipping",
        "fill mode already disabled, skipping",
        "line scope broken",
        "fill mode already enabled, skipping",
        "fill mode already disabled, skipping",
        "line scope broken",
+       "skipping blank line in line scope",
 
        /* related to missing macro arguments */
        "skipping empty request",
        "conditional request controls empty scope",
        "skipping empty macro",
 
        /* related to missing macro arguments */
        "skipping empty request",
        "conditional request controls empty scope",
        "skipping empty macro",
+       "empty block",
        "empty argument, using 0n",
        "empty argument, using 0n",
-       "argument count wrong",
        "missing display type, using -ragged",
        "list type is not the first argument",
        "missing display type, using -ragged",
        "list type is not the first argument",
-       "missing -width in -tag list, using 8n",
+       "missing -width in -tag list, using 6n",
        "missing utility name, using \"\"",
        "missing utility name, using \"\"",
+       "missing function name, using \"\"",
        "empty head in list item",
        "empty list item",
        "missing font type, using \\fR",
        "unknown font type, using \\fR",
        "empty head in list item",
        "empty list item",
        "missing font type, using \\fR",
        "unknown font type, using \\fR",
+       "nothing follows prefix",
+       "empty reference block",
+       "missing section argument",
        "missing -std argument, adding it",
        "missing -std argument, adding it",
+       "missing option string, using \"\"",
+       "missing resource identifier, using \"\"",
        "missing eqn box, using \"\"",
 
        /* related to bad macro arguments */
        "missing eqn box, using \"\"",
 
        /* related to bad macro arguments */
@@ -158,86 +178,89 @@ static    const char * const      mandocerrs[MANDOCERR_MAX] = {
        "skipping duplicate display type",
        "skipping duplicate list type",
        "skipping -width argument",
        "skipping duplicate display type",
        "skipping duplicate list type",
        "skipping -width argument",
+       "wrong number of cells",
        "unknown AT&T UNIX version",
        "comma in function argument",
        "parenthesis in function name",
        "unknown AT&T UNIX version",
        "comma in function argument",
        "parenthesis in function name",
+       "unknown library name",
        "invalid content in Rs block",
        "invalid Boolean argument",
        "unknown font, skipping request",
        "invalid content in Rs block",
        "invalid Boolean argument",
        "unknown font, skipping request",
+       "odd number of characters in request",
 
        /* related to plain text */
        "blank line in fill mode, using .sp",
        "tab in filled text",
        "whitespace at end of input line",
 
        /* related to plain text */
        "blank line in fill mode, using .sp",
        "tab in filled text",
        "whitespace at end of input line",
+       "new sentence, new line",
        "bad comment style",
        "invalid escape sequence",
        "undefined string, using \"\"",
 
        "bad comment style",
        "invalid escape sequence",
        "undefined string, using \"\"",
 
-       "generic error",
+       /* related to tables */
+       "tbl line starts with span",
+       "tbl column starts with span",
+       "skipping vertical bar in tbl layout",
 
 
-       /* related to equations */
-       "unexpected equation scope closure",
-       "equation scope open on exit",
-       "overlapping equation scopes",
-       "unexpected end of equation",
+       "generic error",
 
        /* related to tables */
 
        /* related to tables */
-       "bad table syntax",
-       "bad table option",
-       "bad table layout",
-       "no table layout cells specified",
-       "no table data cells specified",
-       "ignore data in cell",
-       "data block still open",
-       "ignoring extra data cells",
+       "non-alphabetic character in tbl options",
+       "skipping unknown tbl option",
+       "missing tbl option argument",
+       "wrong tbl option argument size",
+       "empty tbl layout",
+       "invalid character in tbl layout",
+       "unmatched parenthesis in tbl layout",
+       "tbl without any data cells",
+       "ignoring data in spanned tbl cell",
+       "ignoring extra tbl data cells",
+       "data block open at end of tbl",
 
        /* related to document structure and macros */
 
        /* related to document structure and macros */
+       NULL,
        "input stack limit exceeded, infinite loop?",
        "skipping bad character",
        "skipping unknown macro",
        "input stack limit exceeded, infinite loop?",
        "skipping bad character",
        "skipping unknown macro",
+       "skipping insecure request",
        "skipping item outside list",
        "skipping column outside column list",
        "skipping end of block that is not open",
        "skipping item outside list",
        "skipping column outside column list",
        "skipping end of block that is not open",
+       "fewer RS blocks open, skipping",
        "inserting missing end of block",
        "appending missing end of block",
 
        /* related to request and macro arguments */
        "escaped character not allowed in a name",
        "inserting missing end of block",
        "appending missing end of block",
 
        /* related to request and macro arguments */
        "escaped character not allowed in a name",
-       "argument count wrong",
+       "NOT IMPLEMENTED: Bd -file",
+       "skipping display without arguments",
        "missing list type, using -item",
        "missing list type, using -item",
+       "argument is not numeric, using 1",
        "missing manual name, using \"\"",
        "uname(3) system call failed, using UNKNOWN",
        "unknown standard specifier",
        "skipping request without numeric argument",
        "missing manual name, using \"\"",
        "uname(3) system call failed, using UNKNOWN",
        "unknown standard specifier",
        "skipping request without numeric argument",
+       "NOT IMPLEMENTED: .so with absolute path or \"..\"",
+       ".so request failed",
        "skipping all arguments",
        "skipping excess arguments",
        "skipping all arguments",
        "skipping excess arguments",
+       "divide by zero",
 
 
-       "generic fatal error",
-
+       "unsupported feature",
        "input too large",
        "input too large",
-       "NOT IMPLEMENTED: Bd -file",
-       "NOT IMPLEMENTED: .so with absolute path or \"..\"",
-       ".so request failed",
-
-       /* system errors */
-       "cannot dup file descriptor",
-       "cannot exec",
-       "gunzip failed with code",
-       "cannot fork",
-       NULL,
-       "cannot open pipe",
-       "cannot read file",
-       "gunzip died from signal",
-       "cannot stat file",
-       "wait failed",
+       "unsupported control character",
+       "unsupported roff request",
+       "eqn delim option in tbl",
+       "unsupported tbl layout modifier",
+       "ignoring macro in table",
 };
 
 static const char * const      mandoclevels[MANDOCLEVEL_MAX] = {
        "SUCCESS",
 };
 
 static const char * const      mandoclevels[MANDOCLEVEL_MAX] = {
        "SUCCESS",
-       "RESERVED",
+       "STYLE",
        "WARNING",
        "ERROR",
        "WARNING",
        "ERROR",
-       "FATAL",
+       "UNSUPP",
        "BADARG",
        "SYSERR"
 };
        "BADARG",
        "SYSERR"
 };
@@ -286,55 +309,58 @@ choose_parser(struct mparse *curp)
        }
 
        if (format == MPARSE_MDOC) {
        }
 
        if (format == MPARSE_MDOC) {
-               if (NULL == curp->pmdoc)
-                       curp->pmdoc = mdoc_alloc(
-                           curp->roff, curp, curp->defos,
-                           MPARSE_QUICK & curp->options ? 1 : 0);
-               assert(curp->pmdoc);
-               curp->mdoc = curp->pmdoc;
-               return;
+               curp->man->macroset = MACROSET_MDOC;
+               if (curp->man->mdocmac == NULL)
+                       curp->man->mdocmac = roffhash_alloc(MDOC_Dd, MDOC_MAX);
+       } else {
+               curp->man->macroset = MACROSET_MAN;
+               if (curp->man->manmac == NULL)
+                       curp->man->manmac = roffhash_alloc(MAN_TH, MAN_MAX);
        }
        }
-
-       /* Fall back to man(7) as a last resort. */
-
-       if (NULL == curp->pman)
-               curp->pman = man_alloc(curp->roff, curp,
-                   MPARSE_QUICK & curp->options ? 1 : 0);
-       assert(curp->pman);
-       curp->man = curp->pman;
+       curp->man->first->tok = TOKEN_NONE;
 }
 
 /*
 }
 
 /*
- * Main parse routine for an opened file.  This is called for each
- * opened file and simply loops around the full input file, possibly
- * nesting (i.e., with `so').
+ * Main parse routine for a buffer.
+ * It assumes encoding and line numbering are already set up.
+ * It can recurse directly (for invocations of user-defined
+ * macros, inline equations, and input line traps)
+ * and indirectly (for .so file inclusion).
  */
  */
-static void
-mparse_buf_r(struct mparse *curp, struct buf blk, int start)
+static int
+mparse_buf_r(struct mparse *curp, struct buf blk, size_t i, int start)
 {
        const struct tbl_span   *span;
        struct buf       ln;
 {
        const struct tbl_span   *span;
        struct buf       ln;
+       const char      *save_file;
+       char            *cp;
+       size_t           pos; /* byte number in the ln buffer */
        enum rofferr     rr;
        enum rofferr     rr;
-       int              i, of, rc;
-       int              pos; /* byte number in the ln buffer */
+       int              of;
        int              lnn; /* line number in the real file */
        int              lnn; /* line number in the real file */
+       int              fd;
        unsigned char    c;
 
        unsigned char    c;
 
-       memset(&ln, 0, sizeof(struct buf));
+       memset(&ln, 0, sizeof(ln));
 
        lnn = curp->line;
        pos = 0;
 
 
        lnn = curp->line;
        pos = 0;
 
-       for (i = 0; i < (int)blk.sz; ) {
+       while (i < blk.sz) {
                if (0 == pos && '\0' == blk.buf[i])
                        break;
 
                if (start) {
                        curp->line = lnn;
                        curp->reparse_count = 0;
                if (0 == pos && '\0' == blk.buf[i])
                        break;
 
                if (start) {
                        curp->line = lnn;
                        curp->reparse_count = 0;
+
+                       if (lnn < 3 &&
+                           curp->filenc & MPARSE_UTF8 &&
+                           curp->filenc & MPARSE_LATIN1)
+                               curp->filenc = preconv_cue(&blk, i);
                }
 
                }
 
-               while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) {
+               while (i < blk.sz && (start || blk.buf[i] != '\0')) {
 
                        /*
                         * When finding an unescaped newline character,
 
                        /*
                         * When finding an unescaped newline character,
@@ -342,7 +368,7 @@ mparse_buf_r(struct mparse *curp, struct buf blk, int start)
                         * Skip a preceding carriage return, if any.
                         */
 
                         * Skip a preceding carriage return, if any.
                         */
 
-                       if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz &&
+                       if ('\r' == blk.buf[i] && i + 1 < blk.sz &&
                            '\n' == blk.buf[i + 1])
                                ++i;
                        if ('\n' == blk.buf[i]) {
                            '\n' == blk.buf[i + 1])
                                ++i;
                        if ('\n' == blk.buf[i]) {
@@ -352,100 +378,52 @@ mparse_buf_r(struct mparse *curp, struct buf blk, int start)
                        }
 
                        /*
                        }
 
                        /*
-                        * Make sure we have space for at least
-                        * one backslash and one other character
-                        * and the trailing NUL byte.
+                        * Make sure we have space for the worst
+                        * case of 11 bytes: "\\[u10ffff]\0"
                         */
 
                         */
 
-                       if (pos + 2 >= (int)ln.sz)
+                       if (pos + 11 > ln.sz)
                                resize_buf(&ln, 256);
 
                        /*
                                resize_buf(&ln, 256);
 
                        /*
-                        * Warn about bogus characters.  If you're using
-                        * non-ASCII encoding, you're screwing your
-                        * readers.  Since I'd rather this not happen,
-                        * I'll be helpful and replace these characters
-                        * with "?", so we don't display gibberish.
-                        * Note to manual writers: use special characters.
+                        * Encode 8-bit input.
                         */
 
                         */
 
-                       c = (unsigned char) blk.buf[i];
-
-                       if ( ! (isascii(c) &&
-                           (isgraph(c) || isblank(c)))) {
-                               mandoc_vmsg(MANDOCERR_BADCHAR, curp,
-                                   curp->line, pos, "0x%x", c);
-                               i++;
-                               ln.buf[pos++] = '?';
-                               continue;
-                       }
-
-                       /* Trailing backslash = a plain char. */
-
-                       if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) {
-                               ln.buf[pos++] = blk.buf[i++];
+                       c = blk.buf[i];
+                       if (c & 0x80) {
+                               if ( ! (curp->filenc && preconv_encode(
+                                   &blk, &i, &ln, &pos, &curp->filenc))) {
+                                       mandoc_vmsg(MANDOCERR_CHAR_BAD, curp,
+                                           curp->line, pos, "0x%x", c);
+                                       ln.buf[pos++] = '?';
+                                       i++;
+                               }
                                continue;
                        }
 
                        /*
                                continue;
                        }
 
                        /*
-                        * Found escape and at least one other character.
-                        * When it's a newline character, skip it.
-                        * When there is a carriage return in between,
-                        * skip that one as well.
+                        * Exclude control characters.
                         */
 
                         */
 
-                       if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz &&
-                           '\n' == blk.buf[i + 2])
-                               ++i;
-                       if ('\n' == blk.buf[i + 1]) {
-                               i += 2;
-                               ++lnn;
-                               continue;
-                       }
-
-                       if ('"' == blk.buf[i + 1] || '#' == blk.buf[i + 1]) {
-                               i += 2;
-                               /* Comment, skip to end of line */
-                               for (; i < (int)blk.sz; ++i) {
-                                       if ('\n' == blk.buf[i]) {
-                                               ++i;
-                                               ++lnn;
-                                               break;
-                                       }
-                               }
-
-                               /* Backout trailing whitespaces */
-                               for (; pos > 0; --pos) {
-                                       if (ln.buf[pos - 1] != ' ')
-                                               break;
-                                       if (pos > 2 && ln.buf[pos - 2] == '\\')
-                                               break;
-                               }
-                               break;
-                       }
-
-                       /* Catch escaped bogus characters. */
-
-                       c = (unsigned char) blk.buf[i+1];
-
-                       if ( ! (isascii(c) &&
-                           (isgraph(c) || isblank(c)))) {
-                               mandoc_vmsg(MANDOCERR_BADCHAR, curp,
-                                   curp->line, pos, "0x%x", c);
-                               i += 2;
-                               ln.buf[pos++] = '?';
+                       if (c == 0x7f || (c < 0x20 && c != 0x09)) {
+                               mandoc_vmsg(c == 0x00 || c == 0x04 ||
+                                   c > 0x0a ? MANDOCERR_CHAR_BAD :
+                                   MANDOCERR_CHAR_UNSUPP,
+                                   curp, curp->line, pos, "0x%x", c);
+                               i++;
+                               if (c != '\r')
+                                       ln.buf[pos++] = '?';
                                continue;
                        }
 
                                continue;
                        }
 
-                       /* Some other escape sequence, copy & cont. */
-
-                       ln.buf[pos++] = blk.buf[i++];
                        ln.buf[pos++] = blk.buf[i++];
                }
 
                        ln.buf[pos++] = blk.buf[i++];
                }
 
-               if (pos >= (int)ln.sz)
+               if (pos + 1 >= ln.sz)
                        resize_buf(&ln, 256);
 
                        resize_buf(&ln, 256);
 
+               if (i == blk.sz || blk.buf[i] == '\0')
+                       ln.buf[pos++] = '\n';
                ln.buf[pos] = '\0';
 
                /*
                ln.buf[pos] = '\0';
 
                /*
@@ -480,35 +458,34 @@ mparse_buf_r(struct mparse *curp, struct buf blk, int start)
                                [curp->secondary->sz] = '\0';
                }
 rerun:
                                [curp->secondary->sz] = '\0';
                }
 rerun:
-               rr = roff_parseln(curp->roff, curp->line,
-                   &ln.buf, &ln.sz, of, &of);
+               rr = roff_parseln(curp->roff, curp->line, &ln, &of);
 
                switch (rr) {
                case ROFF_REPARSE:
 
                switch (rr) {
                case ROFF_REPARSE:
-                       if (REPARSE_LIMIT >= ++curp->reparse_count)
-                               mparse_buf_r(curp, ln, 0);
-                       else
+                       if (++curp->reparse_count > REPARSE_LIMIT)
                                mandoc_msg(MANDOCERR_ROFFLOOP, curp,
                                    curp->line, pos, NULL);
                                mandoc_msg(MANDOCERR_ROFFLOOP, curp,
                                    curp->line, pos, NULL);
-                       pos = 0;
-                       continue;
+                       else if (mparse_buf_r(curp, ln, of, 0) == 1 ||
+                           start == 1) {
+                               pos = 0;
+                               continue;
+                       }
+                       free(ln.buf);
+                       return 0;
                case ROFF_APPEND:
                case ROFF_APPEND:
-                       pos = (int)strlen(ln.buf);
+                       pos = strlen(ln.buf);
                        continue;
                case ROFF_RERUN:
                        goto rerun;
                case ROFF_IGN:
                        pos = 0;
                        continue;
                        continue;
                case ROFF_RERUN:
                        goto rerun;
                case ROFF_IGN:
                        pos = 0;
                        continue;
-               case ROFF_ERR:
-                       assert(MANDOCLEVEL_FATAL <= curp->file_status);
-                       break;
                case ROFF_SO:
                case ROFF_SO:
-                       if (0 == (MPARSE_SO & curp->options) &&
-                           (i >= (int)blk.sz || '\0' == blk.buf[i])) {
+                       if ( ! (curp->options & MPARSE_SO) &&
+                           (i >= blk.sz || blk.buf[i] == '\0')) {
                                curp->sodest = mandoc_strdup(ln.buf + of);
                                free(ln.buf);
                                curp->sodest = mandoc_strdup(ln.buf + of);
                                free(ln.buf);
-                               return;
+                               return 1;
                        }
                        /*
                         * We remove `so' clauses from our lookaside
                        }
                        /*
                         * We remove `so' clauses from our lookaside
@@ -517,12 +494,23 @@ rerun:
                         */
                        if (curp->secondary)
                                curp->secondary->sz -= pos + 1;
                         */
                        if (curp->secondary)
                                curp->secondary->sz -= pos + 1;
-                       mparse_readfd(curp, -1, ln.buf + of);
-                       if (MANDOCLEVEL_FATAL <= curp->file_status) {
+                       save_file = curp->file;
+                       if ((fd = mparse_open(curp, ln.buf + of)) != -1) {
+                               mparse_readfd(curp, fd, ln.buf + of);
+                               close(fd);
+                               curp->file = save_file;
+                       } else {
+                               curp->file = save_file;
                                mandoc_vmsg(MANDOCERR_SO_FAIL,
                                    curp, curp->line, pos,
                                    ".so %s", ln.buf + of);
                                mandoc_vmsg(MANDOCERR_SO_FAIL,
                                    curp, curp->line, pos,
                                    ".so %s", ln.buf + of);
-                               break;
+                               ln.sz = mandoc_asprintf(&cp,
+                                   ".sp\nSee the file %s.\n.sp",
+                                   ln.buf + of);
+                               free(ln.buf);
+                               ln.buf = cp;
+                               of = 0;
+                               mparse_buf_r(curp, ln, of, 0);
                        }
                        pos = 0;
                        continue;
                        }
                        pos = 0;
                        continue;
@@ -530,22 +518,7 @@ rerun:
                        break;
                }
 
                        break;
                }
 
-               /*
-                * If we encounter errors in the recursive parse, make
-                * sure we don't continue parsing.
-                */
-
-               if (MANDOCLEVEL_FATAL <= curp->file_status)
-                       break;
-
-               /*
-                * If input parsers have not been allocated, do so now.
-                * We keep these instanced between parsers, but set them
-                * locally per parse routine since we can use different
-                * parsers with each one.
-                */
-
-               if ( ! (curp->man || curp->mdoc))
+               if (curp->man->macroset == MACROSET_NONE)
                        choose_parser(curp);
 
                /*
                        choose_parser(curp);
 
                /*
@@ -557,34 +530,15 @@ rerun:
                 * Do the same for ROFF_EQN.
                 */
 
                 * Do the same for ROFF_EQN.
                 */
 
-               rc = -1;
-
-               if (ROFF_TBL == rr)
-                       while (NULL != (span = roff_span(curp->roff))) {
-                               rc = curp->man ?
-                                   man_addspan(curp->man, span) :
-                                   mdoc_addspan(curp->mdoc, span);
-                               if (0 == rc)
-                                       break;
-                       }
-               else if (ROFF_EQN == rr)
-                       rc = curp->mdoc ?
-                           mdoc_addeqn(curp->mdoc,
-                               roff_eqn(curp->roff)) :
-                           man_addeqn(curp->man,
-                               roff_eqn(curp->roff));
-               else if (curp->man || curp->mdoc)
-                       rc = curp->man ?
-                           man_parseln(curp->man,
-                               curp->line, ln.buf, of) :
-                           mdoc_parseln(curp->mdoc,
-                               curp->line, ln.buf, of);
-
-               if (0 == rc) {
-                       assert(MANDOCLEVEL_FATAL <= curp->file_status);
-                       break;
-               } else if (2 == rc)
-                       break;
+               if (rr == ROFF_TBL)
+                       while ((span = roff_span(curp->roff)) != NULL)
+                               roff_addtbl(curp->man, span);
+               else if (rr == ROFF_EQN)
+                       roff_addeqn(curp->man, roff_eqn(curp->roff));
+               else if ((curp->man->macroset == MACROSET_MDOC ?
+                   mdoc_parseln(curp->man, curp->line, ln.buf, of) :
+                   man_parseln(curp->man, curp->line, ln.buf, of)) == 2)
+                               break;
 
                /* Temporary buffers typically are not full. */
 
 
                /* Temporary buffers typically are not full. */
 
@@ -597,24 +551,20 @@ rerun:
        }
 
        free(ln.buf);
        }
 
        free(ln.buf);
+       return 1;
 }
 
 static int
 read_whole_file(struct mparse *curp, const char *file, int fd,
                struct buf *fb, int *with_mmap)
 {
 }
 
 static int
 read_whole_file(struct mparse *curp, const char *file, int fd,
                struct buf *fb, int *with_mmap)
 {
+       struct stat      st;
+       gzFile           gz;
        size_t           off;
        ssize_t          ssz;
 
        size_t           off;
        ssize_t          ssz;
 
-#if HAVE_MMAP
-       struct stat      st;
-       if (-1 == fstat(fd, &st)) {
-               curp->file_status = MANDOCLEVEL_SYSERR;
-               if (curp->mmsg)
-                       (*curp->mmsg)(MANDOCERR_SYSSTAT, curp->file_status,
-                           file, 0, 0, strerror(errno));
-               return(0);
-       }
+       if (fstat(fd, &st) == -1)
+               err((int)MANDOCLEVEL_SYSERR, "%s", file);
 
        /*
         * If we're a regular file, try just reading in the whole entry
 
        /*
         * If we're a regular file, try just reading in the whole entry
@@ -623,21 +573,23 @@ read_whole_file(struct mparse *curp, const char *file, int fd,
         * concerned that this is going to tank any machines.
         */
 
         * concerned that this is going to tank any machines.
         */
 
-       if (S_ISREG(st.st_mode)) {
-               if (st.st_size >= (1U << 31)) {
-                       curp->file_status = MANDOCLEVEL_FATAL;
-                       if (curp->mmsg)
-                               (*curp->mmsg)(MANDOCERR_TOOLARGE,
-                                   curp->file_status, file, 0, 0, NULL);
-                       return(0);
+       if (curp->gzip == 0 && S_ISREG(st.st_mode)) {
+               if (st.st_size > 0x7fffffff) {
+                       mandoc_msg(MANDOCERR_TOOLARGE, curp, 0, 0, NULL);
+                       return 0;
                }
                *with_mmap = 1;
                fb->sz = (size_t)st.st_size;
                fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0);
                if (fb->buf != MAP_FAILED)
                }
                *with_mmap = 1;
                fb->sz = (size_t)st.st_size;
                fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0);
                if (fb->buf != MAP_FAILED)
-                       return(1);
+                       return 1;
        }
        }
-#endif
+
+       if (curp->gzip) {
+               if ((gz = gzdopen(fd, "rb")) == NULL)
+                       err((int)MANDOCLEVEL_SYSERR, "%s", file);
+       } else
+               gz = NULL;
 
        /*
         * If this isn't a regular file (like, say, stdin), then we must
 
        /*
         * If this isn't a regular file (like, say, stdin), then we must
@@ -651,66 +603,38 @@ read_whole_file(struct mparse *curp, const char *file, int fd,
        for (;;) {
                if (off == fb->sz) {
                        if (fb->sz == (1U << 31)) {
        for (;;) {
                if (off == fb->sz) {
                        if (fb->sz == (1U << 31)) {
-                               curp->file_status = MANDOCLEVEL_FATAL;
-                               if (curp->mmsg)
-                                       (*curp->mmsg)(MANDOCERR_TOOLARGE,
-                                           curp->file_status,
-                                           file, 0, 0, NULL);
+                               mandoc_msg(MANDOCERR_TOOLARGE, curp,
+                                   0, 0, NULL);
                                break;
                        }
                        resize_buf(fb, 65536);
                }
                                break;
                        }
                        resize_buf(fb, 65536);
                }
-               ssz = read(fd, fb->buf + (int)off, fb->sz - off);
+               ssz = curp->gzip ?
+                   gzread(gz, fb->buf + (int)off, fb->sz - off) :
+                   read(fd, fb->buf + (int)off, fb->sz - off);
                if (ssz == 0) {
                        fb->sz = off;
                if (ssz == 0) {
                        fb->sz = off;
-                       return(1);
-               }
-               if (ssz == -1) {
-                       curp->file_status = MANDOCLEVEL_SYSERR;
-                       if (curp->mmsg)
-                               (*curp->mmsg)(MANDOCERR_SYSREAD,
-                                   curp->file_status, file, 0, 0,
-                                   strerror(errno));
-                       break;
+                       return 1;
                }
                }
+               if (ssz == -1)
+                       err((int)MANDOCLEVEL_SYSERR, "%s", file);
                off += (size_t)ssz;
        }
 
        free(fb->buf);
        fb->buf = NULL;
                off += (size_t)ssz;
        }
 
        free(fb->buf);
        fb->buf = NULL;
-       return(0);
+       return 0;
 }
 
 static void
 mparse_end(struct mparse *curp)
 {
 }
 
 static void
 mparse_end(struct mparse *curp)
 {
-
-       if (MANDOCLEVEL_FATAL <= curp->file_status)
-               return;
-
-       if (curp->mdoc == NULL &&
-           curp->man == NULL &&
-           curp->sodest == NULL) {
-               if (curp->options & MPARSE_MDOC)
-                       curp->mdoc = curp->pmdoc;
-               else {
-                       if (curp->pman == NULL)
-                               curp->pman = man_alloc(curp->roff, curp,
-                                   curp->options & MPARSE_QUICK ? 1 : 0);
-                       curp->man = curp->pman;
-               }
-       }
-
-       if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) {
-               assert(MANDOCLEVEL_FATAL <= curp->file_status);
-               return;
-       }
-
-       if (curp->man && ! man_endparse(curp->man)) {
-               assert(MANDOCLEVEL_FATAL <= curp->file_status);
-               return;
-       }
-
+       if (curp->man->macroset == MACROSET_NONE)
+               curp->man->macroset = MACROSET_MAN;
+       if (curp->man->macroset == MACROSET_MDOC)
+               mdoc_endparse(curp->man);
+       else
+               man_endparse(curp->man);
        roff_endparse(curp->roff);
 }
 
        roff_endparse(curp->roff);
 }
 
@@ -719,6 +643,7 @@ mparse_parse_buffer(struct mparse *curp, struct buf blk, const char *file)
 {
        struct buf      *svprimary;
        const char      *svfile;
 {
        struct buf      *svprimary;
        const char      *svfile;
+       size_t           offset;
        static int       recursion_depth;
 
        if (64 < recursion_depth) {
        static int       recursion_depth;
 
        if (64 < recursion_depth) {
@@ -734,9 +659,19 @@ mparse_parse_buffer(struct mparse *curp, struct buf blk, const char *file)
        curp->line = 1;
        recursion_depth++;
 
        curp->line = 1;
        recursion_depth++;
 
-       mparse_buf_r(curp, blk, 1);
+       /* Skip an UTF-8 byte order mark. */
+       if (curp->filenc & MPARSE_UTF8 && blk.sz > 2 &&
+           (unsigned char)blk.buf[0] == 0xef &&
+           (unsigned char)blk.buf[1] == 0xbb &&
+           (unsigned char)blk.buf[2] == 0xbf) {
+               offset = 3;
+               curp->filenc &= ~MPARSE_LATIN1;
+       } else
+               offset = 0;
+
+       mparse_buf_r(curp, blk, offset, 1);
 
 
-       if (0 == --recursion_depth && MANDOCLEVEL_FATAL > curp->file_status)
+       if (--recursion_depth == 0)
                mparse_end(curp);
 
        curp->primary = svprimary;
                mparse_end(curp);
 
        curp->primary = svprimary;
@@ -744,151 +679,85 @@ mparse_parse_buffer(struct mparse *curp, struct buf blk, const char *file)
 }
 
 enum mandoclevel
 }
 
 enum mandoclevel
-mparse_readmem(struct mparse *curp, const void *buf, size_t len,
+mparse_readmem(struct mparse *curp, void *buf, size_t len,
                const char *file)
 {
        struct buf blk;
 
                const char *file)
 {
        struct buf blk;
 
-       blk.buf = UNCONST(buf);
+       blk.buf = buf;
        blk.sz = len;
 
        mparse_parse_buffer(curp, blk, file);
        blk.sz = len;
 
        mparse_parse_buffer(curp, blk, file);
-       return(curp->file_status);
+       return curp->file_status;
 }
 
 }
 
+/*
+ * Read the whole file into memory and call the parsers.
+ * Called recursively when an .so request is encountered.
+ */
 enum mandoclevel
 mparse_readfd(struct mparse *curp, int fd, const char *file)
 {
        struct buf       blk;
        int              with_mmap;
 enum mandoclevel
 mparse_readfd(struct mparse *curp, int fd, const char *file)
 {
        struct buf       blk;
        int              with_mmap;
-
-       if (-1 == fd && -1 == (fd = open(file, O_RDONLY, 0))) {
-               curp->file_status = MANDOCLEVEL_SYSERR;
-               if (curp->mmsg)
-                       (*curp->mmsg)(MANDOCERR_SYSOPEN,
-                           curp->file_status,
-                           file, 0, 0, strerror(errno));
-               goto out;
+       int              save_filenc;
+
+       if (read_whole_file(curp, file, fd, &blk, &with_mmap)) {
+               save_filenc = curp->filenc;
+               curp->filenc = curp->options &
+                   (MPARSE_UTF8 | MPARSE_LATIN1);
+               mparse_parse_buffer(curp, blk, file);
+               curp->filenc = save_filenc;
+               if (with_mmap)
+                       munmap(blk.buf, blk.sz);
+               else
+                       free(blk.buf);
        }
        }
-
-       /*
-        * Run for each opened file; may be called more than once for
-        * each full parse sequence if the opened file is nested (i.e.,
-        * from `so').  Simply sucks in the whole file and moves into
-        * the parse phase for the file.
-        */
-
-       if ( ! read_whole_file(curp, file, fd, &blk, &with_mmap))
-               goto out;
-
-       mparse_parse_buffer(curp, blk, file);
-
-#if HAVE_MMAP
-       if (with_mmap)
-               munmap(blk.buf, blk.sz);
-       else
-#endif
-               free(blk.buf);
-
-       if (STDIN_FILENO != fd && -1 == close(fd))
-               perror(file);
-out:
-       return(curp->file_status);
+       return curp->file_status;
 }
 
 }
 
-enum mandoclevel
-mparse_open(struct mparse *curp, int *fd, const char *file,
-       pid_t *child_pid)
+int
+mparse_open(struct mparse *curp, const char *file)
 {
 {
-       int               pfd[2];
        char             *cp;
        char             *cp;
-       enum mandocerr    err;
+       int               fd;
 
 
-       pfd[1] = -1;
        curp->file = file;
        curp->file = file;
-       if ((cp = strrchr(file, '.')) == NULL ||
-           strcmp(cp + 1, "gz")) {
-               *child_pid = 0;
-               if ((*fd = open(file, O_RDONLY)) == -1) {
-                       err = MANDOCERR_SYSOPEN;
-                       goto out;
-               }
-               return(MANDOCLEVEL_OK);
-       }
+       cp = strrchr(file, '.');
+       curp->gzip = (cp != NULL && ! strcmp(cp + 1, "gz"));
 
 
-       if (pipe(pfd) == -1) {
-               err = MANDOCERR_SYSPIPE;
-               goto out;
-       }
+       /* First try to use the filename as it is. */
 
 
-       switch (*child_pid = fork()) {
-       case -1:
-               err = MANDOCERR_SYSFORK;
-               close(pfd[0]);
-               close(pfd[1]);
-               pfd[1] = -1;
-               break;
-       case 0:
-               close(pfd[0]);
-               if (dup2(pfd[1], STDOUT_FILENO) == -1) {
-                       err = MANDOCERR_SYSDUP;
-                       break;
+       if ((fd = open(file, O_RDONLY)) != -1)
+               return fd;
+
+       /*
+        * If that doesn't work and the filename doesn't
+        * already  end in .gz, try appending .gz.
+        */
+
+       if ( ! curp->gzip) {
+               mandoc_asprintf(&cp, "%s.gz", file);
+               fd = open(cp, O_RDONLY);
+               free(cp);
+               if (fd != -1) {
+                       curp->gzip = 1;
+                       return fd;
                }
                }
-               execlp("gunzip", "gunzip", "-c", file, NULL);
-               err = MANDOCERR_SYSEXEC;
-               break;
-       default:
-               close(pfd[1]);
-               *fd = pfd[0];
-               return(MANDOCLEVEL_OK);
        }
 
        }
 
-out:
-       *fd = -1;
-       *child_pid = 0;
-       curp->file_status = MANDOCLEVEL_SYSERR;
-       if (curp->mmsg)
-               (*curp->mmsg)(err, curp->file_status, file,
-                   0, 0, strerror(errno));
-       if (pfd[1] != -1)
-               exit(1);
-       return(curp->file_status);
-}
-
-enum mandoclevel
-mparse_wait(struct mparse *curp, pid_t child_pid)
-{
-       int       status;
+       /* Neither worked, give up. */
 
 
-       if (waitpid(child_pid, &status, 0) == -1) {
-               mandoc_msg(MANDOCERR_SYSWAIT, curp, 0, 0,
-                   strerror(errno));
-               curp->file_status = MANDOCLEVEL_SYSERR;
-               return(curp->file_status);
-       }
-       if (WIFSIGNALED(status)) {
-               mandoc_vmsg(MANDOCERR_SYSSIG, curp, 0, 0,
-                   "%d", WTERMSIG(status));
-               curp->file_status = MANDOCLEVEL_SYSERR;
-               return(curp->file_status);
-       }
-       if (WEXITSTATUS(status)) {
-               mandoc_vmsg(MANDOCERR_SYSEXIT, curp, 0, 0,
-                   "%d", WEXITSTATUS(status));
-               curp->file_status = MANDOCLEVEL_SYSERR;
-               return(curp->file_status);
-       }
-       return(MANDOCLEVEL_OK);
+       mandoc_msg(MANDOCERR_FILE, curp, 0, 0, strerror(errno));
+       return -1;
 }
 
 struct mparse *
 }
 
 struct mparse *
-mparse_alloc(int options, enum mandoclevel wlevel,
-               mandocmsg mmsg, const char *defos)
+mparse_alloc(int options, enum mandoclevel wlevel, mandocmsg mmsg,
+    const char *defos)
 {
        struct mparse   *curp;
 
 {
        struct mparse   *curp;
 
-       assert(wlevel <= MANDOCLEVEL_FATAL);
-
        curp = mandoc_calloc(1, sizeof(struct mparse));
 
        curp->options = options;
        curp = mandoc_calloc(1, sizeof(struct mparse));
 
        curp->options = options;
@@ -897,48 +766,45 @@ mparse_alloc(int options, enum mandoclevel wlevel,
        curp->defos = defos;
 
        curp->roff = roff_alloc(curp, options);
        curp->defos = defos;
 
        curp->roff = roff_alloc(curp, options);
-       if (curp->options & MPARSE_MDOC)
-               curp->pmdoc = mdoc_alloc(
-                   curp->roff, curp, curp->defos,
-                   curp->options & MPARSE_QUICK ? 1 : 0);
-       if (curp->options & MPARSE_MAN)
-               curp->pman = man_alloc(curp->roff, curp,
-                   curp->options & MPARSE_QUICK ? 1 : 0);
-
-       return(curp);
+       curp->man = roff_man_alloc( curp->roff, curp, curp->defos,
+               curp->options & MPARSE_QUICK ? 1 : 0);
+       if (curp->options & MPARSE_MDOC) {
+               curp->man->macroset = MACROSET_MDOC;
+               if (curp->man->mdocmac == NULL)
+                       curp->man->mdocmac = roffhash_alloc(MDOC_Dd, MDOC_MAX);
+       } else if (curp->options & MPARSE_MAN) {
+               curp->man->macroset = MACROSET_MAN;
+               if (curp->man->manmac == NULL)
+                       curp->man->manmac = roffhash_alloc(MAN_TH, MAN_MAX);
+       }
+       curp->man->first->tok = TOKEN_NONE;
+       return curp;
 }
 
 void
 mparse_reset(struct mparse *curp)
 {
 }
 
 void
 mparse_reset(struct mparse *curp)
 {
-
        roff_reset(curp->roff);
        roff_reset(curp->roff);
+       roff_man_reset(curp->man);
+
+       free(curp->sodest);
+       curp->sodest = NULL;
 
 
-       if (curp->mdoc)
-               mdoc_reset(curp->mdoc);
-       if (curp->man)
-               man_reset(curp->man);
        if (curp->secondary)
                curp->secondary->sz = 0;
 
        curp->file_status = MANDOCLEVEL_OK;
        if (curp->secondary)
                curp->secondary->sz = 0;
 
        curp->file_status = MANDOCLEVEL_OK;
-       curp->mdoc = NULL;
-       curp->man = NULL;
-
-       free(curp->sodest);
-       curp->sodest = NULL;
+       curp->gzip = 0;
 }
 
 void
 mparse_free(struct mparse *curp)
 {
 
 }
 
 void
 mparse_free(struct mparse *curp)
 {
 
-       if (curp->pmdoc)
-               mdoc_free(curp->pmdoc);
-       if (curp->pman)
-               man_free(curp->pman);
-       if (curp->roff)
-               roff_free(curp->roff);
+       roffhash_free(curp->man->mdocmac);
+       roffhash_free(curp->man->manmac);
+       roff_man_free(curp->man);
+       roff_free(curp->roff);
        if (curp->secondary)
                free(curp->secondary->buf);
 
        if (curp->secondary)
                free(curp->secondary->buf);
 
@@ -948,21 +814,25 @@ mparse_free(struct mparse *curp)
 }
 
 void
 }
 
 void
-mparse_result(struct mparse *curp,
-       struct mdoc **mdoc, struct man **man, char **sodest)
+mparse_result(struct mparse *curp, struct roff_man **man,
+       char **sodest)
 {
 
        if (sodest && NULL != (*sodest = curp->sodest)) {
 {
 
        if (sodest && NULL != (*sodest = curp->sodest)) {
-               *mdoc = NULL;
                *man = NULL;
                return;
        }
                *man = NULL;
                return;
        }
-       if (mdoc)
-               *mdoc = curp->mdoc;
        if (man)
                *man = curp->man;
 }
 
        if (man)
                *man = curp->man;
 }
 
+void
+mparse_updaterc(struct mparse *curp, enum mandoclevel *rc)
+{
+       if (curp->file_status > *rc)
+               *rc = curp->file_status;
+}
+
 void
 mandoc_vmsg(enum mandocerr t, struct mparse *m,
                int ln, int pos, const char *fmt, ...)
 void
 mandoc_vmsg(enum mandocerr t, struct mparse *m,
                int ln, int pos, const char *fmt, ...)
@@ -983,11 +853,11 @@ mandoc_msg(enum mandocerr er, struct mparse *m,
 {
        enum mandoclevel level;
 
 {
        enum mandoclevel level;
 
-       level = MANDOCLEVEL_FATAL;
+       level = MANDOCLEVEL_UNSUPP;
        while (er < mandoclimits[level])
                level--;
 
        while (er < mandoclimits[level])
                level--;
 
-       if (level < m->wlevel)
+       if (level < m->wlevel && er != MANDOCERR_FILE)
                return;
 
        if (m->mmsg)
                return;
 
        if (m->mmsg)
@@ -1001,13 +871,13 @@ const char *
 mparse_strerror(enum mandocerr er)
 {
 
 mparse_strerror(enum mandocerr er)
 {
 
-       return(mandocerrs[er]);
+       return mandocerrs[er];
 }
 
 const char *
 mparse_strlevel(enum mandoclevel lvl)
 {
 }
 
 const char *
 mparse_strlevel(enum mandoclevel lvl)
 {
-       return(mandoclevels[lvl]);
+       return mandoclevels[lvl];
 }
 
 void
 }
 
 void
@@ -1023,5 +893,5 @@ mparse_getkeep(const struct mparse *p)
 {
 
        assert(p->secondary);
 {
 
        assert(p->secondary);
-       return(p->secondary->sz ? p->secondary->buf : NULL);
+       return p->secondary->sz ? p->secondary->buf : NULL;
 }
 }
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