version 1.16, 2010/05/25 12:37:20 |
version 1.30, 2010/08/24 12:18:48 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#include <string.h> |
#include <string.h> |
#include <time.h> |
#include <time.h> |
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#include "mandoc.h" |
#include "libmandoc.h" |
#include "libmandoc.h" |
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static int a2time(time_t *, const char *, const char *); |
static int a2time(time_t *, const char *, const char *); |
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int |
int |
mandoc_special(const char *p) |
mandoc_special(char *p) |
{ |
{ |
int terminator; /* Terminator for \s. */ |
int len, i; |
int lim; /* Limit for N in \s. */ |
char term; |
int c, i; |
char *sv; |
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if ('\\' != *p++) |
len = 0; |
return(0); |
term = '\0'; |
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sv = p; |
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switch (*p) { |
assert('\\' == *p); |
case ('\''): |
p++; |
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switch (*p++) { |
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#if 0 |
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case ('Z'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('`'): |
case ('X'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('q'): |
case ('x'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('-'): |
case ('w'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('~'): |
case ('S'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('^'): |
case ('R'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('%'): |
case ('o'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('0'): |
case ('N'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (' '): |
case ('l'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('|'): |
case ('L'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('&'): |
case ('H'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('.'): |
case ('h'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (':'): |
case ('D'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('c'): |
case ('C'): |
return(2); |
/* FALLTHROUGH */ |
case ('e'): |
case ('b'): |
return(2); |
/* FALLTHROUGH */ |
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case ('B'): |
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/* FALLTHROUGH */ |
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case ('a'): |
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/* FALLTHROUGH */ |
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case ('A'): |
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if (*p++ != '\'') |
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return(0); |
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term = '\''; |
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break; |
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#endif |
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case ('h'): |
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/* FALLTHROUGH */ |
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case ('v'): |
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/* FALLTHROUGH */ |
case ('s'): |
case ('s'): |
if ('\0' == *++p) |
if (ASCII_HYPH == *p) |
return(2); |
*p = '-'; |
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c = 2; |
i = 0; |
terminator = 0; |
if ('+' == *p || '-' == *p) { |
lim = 1; |
p++; |
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i = 1; |
if (*p == '\'') { |
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lim = 0; |
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terminator = 1; |
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++p; |
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++c; |
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} else if (*p == '[') { |
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lim = 0; |
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terminator = 2; |
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++p; |
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++c; |
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} else if (*p == '(') { |
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lim = 2; |
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terminator = 3; |
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++p; |
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++c; |
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} |
} |
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if (*p == '+' || *p == '-') { |
switch (*p++) { |
++p; |
case ('('): |
++c; |
len = 2; |
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break; |
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case ('['): |
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term = ']'; |
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break; |
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case ('\''): |
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term = '\''; |
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break; |
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case ('0'): |
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i = 1; |
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/* FALLTHROUGH */ |
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default: |
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len = 1; |
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p--; |
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break; |
} |
} |
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if (*p == '\'') { |
if (ASCII_HYPH == *p) |
if (terminator) |
*p = '-'; |
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if ('+' == *p || '-' == *p) { |
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if (i) |
return(0); |
return(0); |
lim = 0; |
p++; |
terminator = 1; |
} |
++p; |
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++c; |
break; |
} else if (*p == '[') { |
#if 0 |
if (terminator) |
case ('Y'): |
return(0); |
/* FALLTHROUGH */ |
lim = 0; |
case ('V'): |
terminator = 2; |
/* FALLTHROUGH */ |
++p; |
case ('$'): |
++c; |
/* FALLTHROUGH */ |
} else if (*p == '(') { |
case ('n'): |
if (terminator) |
/* FALLTHROUGH */ |
return(0); |
case ('k'): |
lim = 2; |
/* FALLTHROUGH */ |
terminator = 3; |
#endif |
++p; |
case ('M'): |
++c; |
/* FALLTHROUGH */ |
} |
case ('m'): |
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/* FALLTHROUGH */ |
/* TODO: needs to handle floating point. */ |
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if ( ! isdigit((u_char)*p)) |
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return(0); |
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for (i = 0; isdigit((u_char)*p); i++) { |
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if (lim && i >= lim) |
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break; |
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++p; |
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++c; |
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} |
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if (terminator && terminator < 3) { |
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if (1 == terminator && *p != '\'') |
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return(0); |
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if (2 == terminator && *p != ']') |
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return(0); |
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++p; |
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++c; |
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} |
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return(c); |
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case ('f'): |
case ('f'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('F'): |
case ('F'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('*'): |
case ('*'): |
if (0 == *++p || ! isgraph((u_char)*p)) |
switch (*p++) { |
return(0); |
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switch (*p) { |
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case ('('): |
case ('('): |
if (0 == *++p || ! isgraph((u_char)*p)) |
len = 2; |
return(0); |
break; |
return(4); |
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case ('['): |
case ('['): |
for (c = 3, p++; *p && ']' != *p; p++, c++) |
term = ']'; |
if ( ! isgraph((u_char)*p)) |
break; |
break; |
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return(*p == ']' ? c : 0); |
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default: |
default: |
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len = 1; |
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p--; |
break; |
break; |
} |
} |
return(3); |
break; |
case ('('): |
case ('('): |
if (0 == *++p || ! isgraph((u_char)*p)) |
len = 2; |
return(0); |
break; |
if (0 == *++p || ! isgraph((u_char)*p)) |
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return(0); |
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return(4); |
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case ('['): |
case ('['): |
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term = ']'; |
break; |
break; |
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case ('z'): |
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len = 1; |
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if ('\\' == *p) { |
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p += mandoc_special(p); |
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return(*p ? (int)(p - sv) : 0); |
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} |
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break; |
default: |
default: |
return(0); |
len = 1; |
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p--; |
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break; |
} |
} |
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for (c = 3, p++; *p && ']' != *p; p++, c++) |
if (term) { |
if ( ! isgraph((u_char)*p)) |
for ( ; *p && term != *p; p++) |
break; |
if (ASCII_HYPH == *p) |
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*p = '-'; |
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return(*p ? (int)(p - sv) : 0); |
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} |
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return(*p == ']' ? c : 0); |
for (i = 0; *p && i < len; i++, p++) |
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if (ASCII_HYPH == *p) |
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*p = '-'; |
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return(i == len ? (int)(p - sv) : 0); |
} |
} |
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Line 197 mandoc_calloc(size_t num, size_t size) |
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Line 206 mandoc_calloc(size_t num, size_t size) |
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ptr = calloc(num, size); |
ptr = calloc(num, size); |
if (NULL == ptr) { |
if (NULL == ptr) { |
perror(NULL); |
perror(NULL); |
exit(EXIT_FAILURE); |
exit(MANDOCLEVEL_SYSERR); |
} |
} |
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return(ptr); |
return(ptr); |
Line 212 mandoc_malloc(size_t size) |
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Line 221 mandoc_malloc(size_t size) |
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ptr = malloc(size); |
ptr = malloc(size); |
if (NULL == ptr) { |
if (NULL == ptr) { |
perror(NULL); |
perror(NULL); |
exit(EXIT_FAILURE); |
exit(MANDOCLEVEL_SYSERR); |
} |
} |
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return(ptr); |
return(ptr); |
Line 226 mandoc_realloc(void *ptr, size_t size) |
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Line 235 mandoc_realloc(void *ptr, size_t size) |
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ptr = realloc(ptr, size); |
ptr = realloc(ptr, size); |
if (NULL == ptr) { |
if (NULL == ptr) { |
perror(NULL); |
perror(NULL); |
exit(EXIT_FAILURE); |
exit(MANDOCLEVEL_SYSERR); |
} |
} |
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return(ptr); |
return(ptr); |
Line 241 mandoc_strdup(const char *ptr) |
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Line 250 mandoc_strdup(const char *ptr) |
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p = strdup(ptr); |
p = strdup(ptr); |
if (NULL == p) { |
if (NULL == p) { |
perror(NULL); |
perror(NULL); |
exit(EXIT_FAILURE); |
exit(MANDOCLEVEL_SYSERR); |
} |
} |
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return(p); |
return(p); |
Line 302 mandoc_a2time(int flags, const char *p) |
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Line 311 mandoc_a2time(int flags, const char *p) |
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int |
int |
mandoc_eos(const char *p, size_t sz) |
mandoc_eos(const char *p, size_t sz, int enclosed) |
{ |
{ |
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const char *q; |
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int found; |
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if (0 == sz) |
if (0 == sz) |
return(0); |
return(0); |
Line 314 mandoc_eos(const char *p, size_t sz) |
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Line 325 mandoc_eos(const char *p, size_t sz) |
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* propogate outward. |
* propogate outward. |
*/ |
*/ |
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for ( ; sz; sz--) { |
found = 0; |
switch (p[(int)sz - 1]) { |
for (q = p + (int)sz - 1; q >= p; q--) { |
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switch (*q) { |
case ('\"'): |
case ('\"'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('\''): |
case ('\''): |
Line 323 mandoc_eos(const char *p, size_t sz) |
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Line 335 mandoc_eos(const char *p, size_t sz) |
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case (']'): |
case (']'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (')'): |
case (')'): |
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if (0 == found) |
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enclosed = 1; |
break; |
break; |
case ('.'): |
case ('.'): |
/* Escaped periods. */ |
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if (sz > 1 && '\\' == p[(int)sz - 2]) |
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return(0); |
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/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('!'): |
case ('!'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('?'): |
case ('?'): |
return(1); |
found = 1; |
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break; |
default: |
default: |
return(0); |
return(found && (!enclosed || isalnum((unsigned char)*q))); |
} |
} |
} |
} |
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return(0); |
return(found && !enclosed); |
} |
} |
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