Adding upstream version 15.5.upstream/15.5

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2648 insertions, 0 deletions

diff --git a/src/backend/tsearch/wparser_def.c b/src/backend/tsearch/wparser_def.c
new file mode 100644
index 0000000..916db5a
--- /dev/null
+++ b/src/backend/tsearch/wparser_def.c
@@ -0,0 +1,2648 @@
+/*-------------------------------------------------------------------------
+ *
+ * wparser_def.c
+ *		Default text search parser
+ *
+ * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
+ *
+ *
+ * IDENTIFICATION
+ *	  src/backend/tsearch/wparser_def.c
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#include "postgres.h"
+
+#include <limits.h>
+
+#include "catalog/pg_collation.h"
+#include "commands/defrem.h"
+#include "miscadmin.h"
+#include "tsearch/ts_locale.h"
+#include "tsearch/ts_public.h"
+#include "tsearch/ts_type.h"
+#include "tsearch/ts_utils.h"
+#include "utils/builtins.h"
+
+
+/* Define me to enable tracing of parser behavior */
+/* #define WPARSER_TRACE */
+
+
+/* Output token categories */
+
+#define ASCIIWORD		1
+#define WORD_T			2
+#define NUMWORD			3
+#define EMAIL			4
+#define URL_T			5
+#define HOST			6
+#define SCIENTIFIC		7
+#define VERSIONNUMBER	8
+#define NUMPARTHWORD	9
+#define PARTHWORD		10
+#define ASCIIPARTHWORD	11
+#define SPACE			12
+#define TAG_T			13
+#define PROTOCOL		14
+#define NUMHWORD		15
+#define ASCIIHWORD		16
+#define HWORD			17
+#define URLPATH			18
+#define FILEPATH		19
+#define DECIMAL_T		20
+#define SIGNEDINT		21
+#define UNSIGNEDINT		22
+#define XMLENTITY		23
+
+#define LASTNUM			23
+
+static const char *const tok_alias[] = {
+	"",
+	"asciiword",
+	"word",
+	"numword",
+	"email",
+	"url",
+	"host",
+	"sfloat",
+	"version",
+	"hword_numpart",
+	"hword_part",
+	"hword_asciipart",
+	"blank",
+	"tag",
+	"protocol",
+	"numhword",
+	"asciihword",
+	"hword",
+	"url_path",
+	"file",
+	"float",
+	"int",
+	"uint",
+	"entity"
+};
+
+static const char *const lex_descr[] = {
+	"",
+	"Word, all ASCII",
+	"Word, all letters",
+	"Word, letters and digits",
+	"Email address",
+	"URL",
+	"Host",
+	"Scientific notation",
+	"Version number",
+	"Hyphenated word part, letters and digits",
+	"Hyphenated word part, all letters",
+	"Hyphenated word part, all ASCII",
+	"Space symbols",
+	"XML tag",
+	"Protocol head",
+	"Hyphenated word, letters and digits",
+	"Hyphenated word, all ASCII",
+	"Hyphenated word, all letters",
+	"URL path",
+	"File or path name",
+	"Decimal notation",
+	"Signed integer",
+	"Unsigned integer",
+	"XML entity"
+};
+
+
+/* Parser states */
+
+typedef enum
+{
+	TPS_Base = 0,
+	TPS_InNumWord,
+	TPS_InAsciiWord,
+	TPS_InWord,
+	TPS_InUnsignedInt,
+	TPS_InSignedIntFirst,
+	TPS_InSignedInt,
+	TPS_InSpace,
+	TPS_InUDecimalFirst,
+	TPS_InUDecimal,
+	TPS_InDecimalFirst,
+	TPS_InDecimal,
+	TPS_InVerVersion,
+	TPS_InSVerVersion,
+	TPS_InVersionFirst,
+	TPS_InVersion,
+	TPS_InMantissaFirst,
+	TPS_InMantissaSign,
+	TPS_InMantissa,
+	TPS_InXMLEntityFirst,
+	TPS_InXMLEntity,
+	TPS_InXMLEntityNumFirst,
+	TPS_InXMLEntityNum,
+	TPS_InXMLEntityHexNumFirst,
+	TPS_InXMLEntityHexNum,
+	TPS_InXMLEntityEnd,
+	TPS_InTagFirst,
+	TPS_InXMLBegin,
+	TPS_InTagCloseFirst,
+	TPS_InTagName,
+	TPS_InTagBeginEnd,
+	TPS_InTag,
+	TPS_InTagEscapeK,
+	TPS_InTagEscapeKK,
+	TPS_InTagBackSleshed,
+	TPS_InTagEnd,
+	TPS_InCommentFirst,
+	TPS_InCommentLast,
+	TPS_InComment,
+	TPS_InCloseCommentFirst,
+	TPS_InCloseCommentLast,
+	TPS_InCommentEnd,
+	TPS_InHostFirstDomain,
+	TPS_InHostDomainSecond,
+	TPS_InHostDomain,
+	TPS_InPortFirst,
+	TPS_InPort,
+	TPS_InHostFirstAN,
+	TPS_InHost,
+	TPS_InEmail,
+	TPS_InFileFirst,
+	TPS_InFileTwiddle,
+	TPS_InPathFirst,
+	TPS_InPathFirstFirst,
+	TPS_InPathSecond,
+	TPS_InFile,
+	TPS_InFileNext,
+	TPS_InURLPathFirst,
+	TPS_InURLPathStart,
+	TPS_InURLPath,
+	TPS_InFURL,
+	TPS_InProtocolFirst,
+	TPS_InProtocolSecond,
+	TPS_InProtocolEnd,
+	TPS_InHyphenAsciiWordFirst,
+	TPS_InHyphenAsciiWord,
+	TPS_InHyphenWordFirst,
+	TPS_InHyphenWord,
+	TPS_InHyphenNumWordFirst,
+	TPS_InHyphenNumWord,
+	TPS_InHyphenDigitLookahead,
+	TPS_InParseHyphen,
+	TPS_InParseHyphenHyphen,
+	TPS_InHyphenWordPart,
+	TPS_InHyphenAsciiWordPart,
+	TPS_InHyphenNumWordPart,
+	TPS_InHyphenUnsignedInt,
+	TPS_Null					/* last state (fake value) */
+} TParserState;
+
+/* forward declaration */
+struct TParser;
+
+typedef int (*TParserCharTest) (struct TParser *);	/* any p_is* functions
+													 * except p_iseq */
+typedef void (*TParserSpecial) (struct TParser *);	/* special handler for
+													 * special cases... */
+
+typedef struct
+{
+	TParserCharTest isclass;
+	char		c;
+	uint16		flags;
+	TParserState tostate;
+	int			type;
+	TParserSpecial special;
+} TParserStateActionItem;
+
+/* Flag bits in TParserStateActionItem.flags */
+#define A_NEXT		0x0000
+#define A_BINGO		0x0001
+#define A_POP		0x0002
+#define A_PUSH		0x0004
+#define A_RERUN		0x0008
+#define A_CLEAR		0x0010
+#define A_MERGE		0x0020
+#define A_CLRALL	0x0040
+
+typedef struct TParserPosition
+{
+	int			posbyte;		/* position of parser in bytes */
+	int			poschar;		/* position of parser in characters */
+	int			charlen;		/* length of current char */
+	int			lenbytetoken;	/* length of token-so-far in bytes */
+	int			lenchartoken;	/* and in chars */
+	TParserState state;
+	struct TParserPosition *prev;
+	const TParserStateActionItem *pushedAtAction;
+} TParserPosition;
+
+typedef struct TParser
+{
+	/* string and position information */
+	char	   *str;			/* multibyte string */
+	int			lenstr;			/* length of mbstring */
+	wchar_t    *wstr;			/* wide character string */
+	pg_wchar   *pgwstr;			/* wide character string for C-locale */
+	bool		usewide;
+
+	/* State of parse */
+	int			charmaxlen;
+	TParserPosition *state;
+	bool		ignore;
+	bool		wanthost;
+
+	/* silly char */
+	char		c;
+
+	/* out */
+	char	   *token;
+	int			lenbytetoken;
+	int			lenchartoken;
+	int			type;
+} TParser;
+
+
+/* forward decls here */
+static bool TParserGet(TParser *prs);
+
+
+static TParserPosition *
+newTParserPosition(TParserPosition *prev)
+{
+	TParserPosition *res = (TParserPosition *) palloc(sizeof(TParserPosition));
+
+	if (prev)
+		memcpy(res, prev, sizeof(TParserPosition));
+	else
+		memset(res, 0, sizeof(TParserPosition));
+
+	res->prev = prev;
+
+	res->pushedAtAction = NULL;
+
+	return res;
+}
+
+static TParser *
+TParserInit(char *str, int len)
+{
+	TParser    *prs = (TParser *) palloc0(sizeof(TParser));
+
+	prs->charmaxlen = pg_database_encoding_max_length();
+	prs->str = str;
+	prs->lenstr = len;
+
+	/*
+	 * Use wide char code only when max encoding length > 1.
+	 */
+	if (prs->charmaxlen > 1)
+	{
+		pg_locale_t mylocale = 0;	/* TODO */
+
+		prs->usewide = true;
+		if (database_ctype_is_c)
+		{
+			/*
+			 * char2wchar doesn't work for C-locale and sizeof(pg_wchar) could
+			 * be different from sizeof(wchar_t)
+			 */
+			prs->pgwstr = (pg_wchar *) palloc(sizeof(pg_wchar) * (prs->lenstr + 1));
+			pg_mb2wchar_with_len(prs->str, prs->pgwstr, prs->lenstr);
+		}
+		else
+		{
+			prs->wstr = (wchar_t *) palloc(sizeof(wchar_t) * (prs->lenstr + 1));
+			char2wchar(prs->wstr, prs->lenstr + 1, prs->str, prs->lenstr,
+					   mylocale);
+		}
+	}
+	else
+		prs->usewide = false;
+
+	prs->state = newTParserPosition(NULL);
+	prs->state->state = TPS_Base;
+
+#ifdef WPARSER_TRACE
+	fprintf(stderr, "parsing \"%.*s\"\n", len, str);
+#endif
+
+	return prs;
+}
+
+/*
+ * As an alternative to a full TParserInit one can create a
+ * TParserCopy which basically is a regular TParser without a private
+ * copy of the string - instead it uses the one from another TParser.
+ * This is useful because at some places TParsers are created
+ * recursively and the repeated copying around of the strings can
+ * cause major inefficiency if the source string is long.
+ * The new parser starts parsing at the original's current position.
+ *
+ * Obviously one must not close the original TParser before the copy.
+ */
+static TParser *
+TParserCopyInit(const TParser *orig)
+{
+	TParser    *prs = (TParser *) palloc0(sizeof(TParser));
+
+	prs->charmaxlen = orig->charmaxlen;
+	prs->str = orig->str + orig->state->posbyte;
+	prs->lenstr = orig->lenstr - orig->state->posbyte;
+	prs->usewide = orig->usewide;
+
+	if (orig->pgwstr)
+		prs->pgwstr = orig->pgwstr + orig->state->poschar;
+	if (orig->wstr)
+		prs->wstr = orig->wstr + orig->state->poschar;
+
+	prs->state = newTParserPosition(NULL);
+	prs->state->state = TPS_Base;
+
+#ifdef WPARSER_TRACE
+	fprintf(stderr, "parsing copy of \"%.*s\"\n", prs->lenstr, prs->str);
+#endif
+
+	return prs;
+}
+
+
+static void
+TParserClose(TParser *prs)
+{
+	while (prs->state)
+	{
+		TParserPosition *ptr = prs->state->prev;
+
+		pfree(prs->state);
+		prs->state = ptr;
+	}
+
+	if (prs->wstr)
+		pfree(prs->wstr);
+	if (prs->pgwstr)
+		pfree(prs->pgwstr);
+
+#ifdef WPARSER_TRACE
+	fprintf(stderr, "closing parser\n");
+#endif
+	pfree(prs);
+}
+
+/*
+ * Close a parser created with TParserCopyInit
+ */
+static void
+TParserCopyClose(TParser *prs)
+{
+	while (prs->state)
+	{
+		TParserPosition *ptr = prs->state->prev;
+
+		pfree(prs->state);
+		prs->state = ptr;
+	}
+
+#ifdef WPARSER_TRACE
+	fprintf(stderr, "closing parser copy\n");
+#endif
+	pfree(prs);
+}
+
+
+/*
+ * Character-type support functions, equivalent to is* macros, but
+ * working with any possible encodings and locales. Notes:
+ *	- with multibyte encoding and C-locale isw* function may fail
+ *	  or give wrong result.
+ *	- multibyte encoding and C-locale often are used for
+ *	  Asian languages.
+ *	- if locale is C then we use pgwstr instead of wstr.
+ */
+
+#define p_iswhat(type, nonascii)											\
+																			\
+static int																	\
+p_is##type(TParser *prs)													\
+{																			\
+	Assert(prs->state);														\
+	if (prs->usewide)														\
+	{																		\
+		if (prs->pgwstr)													\
+		{																	\
+			unsigned int c = *(prs->pgwstr + prs->state->poschar);			\
+			if (c > 0x7f)													\
+				return nonascii;											\
+			return is##type(c);												\
+		}																	\
+		return isw##type(*(prs->wstr + prs->state->poschar));				\
+	}																		\
+	return is##type(*(unsigned char *) (prs->str + prs->state->posbyte));	\
+}																			\
+																			\
+static int																	\
+p_isnot##type(TParser *prs)													\
+{																			\
+	return !p_is##type(prs);												\
+}
+
+/*
+ * In C locale with a multibyte encoding, any non-ASCII symbol is considered
+ * an alpha character, but not a member of other char classes.
+ */
+p_iswhat(alnum, 1)
+p_iswhat(alpha, 1)
+p_iswhat(digit, 0)
+p_iswhat(lower, 0)
+p_iswhat(print, 0)
+p_iswhat(punct, 0)
+p_iswhat(space, 0)
+p_iswhat(upper, 0)
+p_iswhat(xdigit, 0)
+
+/* p_iseq should be used only for ascii symbols */
+
+static int
+p_iseq(TParser *prs, char c)
+{
+	Assert(prs->state);
+	return ((prs->state->charlen == 1 && *(prs->str + prs->state->posbyte) == c)) ? 1 : 0;
+}
+
+static int
+p_isEOF(TParser *prs)
+{
+	Assert(prs->state);
+	return (prs->state->posbyte == prs->lenstr || prs->state->charlen == 0) ? 1 : 0;
+}
+
+static int
+p_iseqC(TParser *prs)
+{
+	return p_iseq(prs, prs->c);
+}
+
+static int
+p_isneC(TParser *prs)
+{
+	return !p_iseq(prs, prs->c);
+}
+
+static int
+p_isascii(TParser *prs)
+{
+	return (prs->state->charlen == 1 && isascii((unsigned char) *(prs->str + prs->state->posbyte))) ? 1 : 0;
+}
+
+static int
+p_isasclet(TParser *prs)
+{
+	return (p_isascii(prs) && p_isalpha(prs)) ? 1 : 0;
+}
+
+static int
+p_isurlchar(TParser *prs)
+{
+	char		ch;
+
+	/* no non-ASCII need apply */
+	if (prs->state->charlen != 1)
+		return 0;
+	ch = *(prs->str + prs->state->posbyte);
+	/* no spaces or control characters */
+	if (ch <= 0x20 || ch >= 0x7F)
+		return 0;
+	/* reject characters disallowed by RFC 3986 */
+	switch (ch)
+	{
+		case '"':
+		case '<':
+		case '>':
+		case '\\':
+		case '^':
+		case '`':
+		case '{':
+		case '|':
+		case '}':
+			return 0;
+	}
+	return 1;
+}
+
+
+/* deliberately suppress unused-function complaints for the above */
+void		_make_compiler_happy(void);
+void
+_make_compiler_happy(void)
+{
+	p_isalnum(NULL);
+	p_isnotalnum(NULL);
+	p_isalpha(NULL);
+	p_isnotalpha(NULL);
+	p_isdigit(NULL);
+	p_isnotdigit(NULL);
+	p_islower(NULL);
+	p_isnotlower(NULL);
+	p_isprint(NULL);
+	p_isnotprint(NULL);
+	p_ispunct(NULL);
+	p_isnotpunct(NULL);
+	p_isspace(NULL);
+	p_isnotspace(NULL);
+	p_isupper(NULL);
+	p_isnotupper(NULL);
+	p_isxdigit(NULL);
+	p_isnotxdigit(NULL);
+	p_isEOF(NULL);
+	p_iseqC(NULL);
+	p_isneC(NULL);
+}
+
+
+static void
+SpecialTags(TParser *prs)
+{
+	switch (prs->state->lenchartoken)
+	{
+		case 8:					/* </script */
+			if (pg_strncasecmp(prs->token, "</script", 8) == 0)
+				prs->ignore = false;
+			break;
+		case 7:					/* <script || </style */
+			if (pg_strncasecmp(prs->token, "</style", 7) == 0)
+				prs->ignore = false;
+			else if (pg_strncasecmp(prs->token, "<script", 7) == 0)
+				prs->ignore = true;
+			break;
+		case 6:					/* <style */
+			if (pg_strncasecmp(prs->token, "<style", 6) == 0)
+				prs->ignore = true;
+			break;
+		default:
+			break;
+	}
+}
+
+static void
+SpecialFURL(TParser *prs)
+{
+	prs->wanthost = true;
+	prs->state->posbyte -= prs->state->lenbytetoken;
+	prs->state->poschar -= prs->state->lenchartoken;
+}
+
+static void
+SpecialHyphen(TParser *prs)
+{
+	prs->state->posbyte -= prs->state->lenbytetoken;
+	prs->state->poschar -= prs->state->lenchartoken;
+}
+
+static void
+SpecialVerVersion(TParser *prs)
+{
+	prs->state->posbyte -= prs->state->lenbytetoken;
+	prs->state->poschar -= prs->state->lenchartoken;
+	prs->state->lenbytetoken = 0;
+	prs->state->lenchartoken = 0;
+}
+
+static int
+p_isstophost(TParser *prs)
+{
+	if (prs->wanthost)
+	{
+		prs->wanthost = false;
+		return 1;
+	}
+	return 0;
+}
+
+static int
+p_isignore(TParser *prs)
+{
+	return (prs->ignore) ? 1 : 0;
+}
+
+static int
+p_ishost(TParser *prs)
+{
+	TParser    *tmpprs = TParserCopyInit(prs);
+	int			res = 0;
+
+	tmpprs->wanthost = true;
+
+	/*
+	 * Check stack depth before recursing.  (Since TParserGet() doesn't
+	 * normally recurse, we put the cost of checking here not there.)
+	 */
+	check_stack_depth();
+
+	if (TParserGet(tmpprs) && tmpprs->type == HOST)
+	{
+		prs->state->posbyte += tmpprs->lenbytetoken;
+		prs->state->poschar += tmpprs->lenchartoken;
+		prs->state->lenbytetoken += tmpprs->lenbytetoken;
+		prs->state->lenchartoken += tmpprs->lenchartoken;
+		prs->state->charlen = tmpprs->state->charlen;
+		res = 1;
+	}
+	TParserCopyClose(tmpprs);
+
+	return res;
+}
+
+static int
+p_isURLPath(TParser *prs)
+{
+	TParser    *tmpprs = TParserCopyInit(prs);
+	int			res = 0;
+
+	tmpprs->state = newTParserPosition(tmpprs->state);
+	tmpprs->state->state = TPS_InURLPathFirst;
+
+	/*
+	 * Check stack depth before recursing.  (Since TParserGet() doesn't
+	 * normally recurse, we put the cost of checking here not there.)
+	 */
+	check_stack_depth();
+
+	if (TParserGet(tmpprs) && tmpprs->type == URLPATH)
+	{
+		prs->state->posbyte += tmpprs->lenbytetoken;
+		prs->state->poschar += tmpprs->lenchartoken;
+		prs->state->lenbytetoken += tmpprs->lenbytetoken;
+		prs->state->lenchartoken += tmpprs->lenchartoken;
+		prs->state->charlen = tmpprs->state->charlen;
+		res = 1;
+	}
+	TParserCopyClose(tmpprs);
+
+	return res;
+}
+
+/*
+ * returns true if current character has zero display length or
+ * it's a special sign in several languages. Such characters
+ * aren't a word-breaker although they aren't an isalpha.
+ * In beginning of word they aren't a part of it.
+ */
+static int
+p_isspecial(TParser *prs)
+{
+	/*
+	 * pg_dsplen could return -1 which means error or control character
+	 */
+	if (pg_dsplen(prs->str + prs->state->posbyte) == 0)
+		return 1;
+
+	/*
+	 * Unicode Characters in the 'Mark, Spacing Combining' Category That
+	 * characters are not alpha although they are not breakers of word too.
+	 * Check that only in utf encoding, because other encodings aren't
+	 * supported by postgres or even exists.
+	 */
+	if (GetDatabaseEncoding() == PG_UTF8 && prs->usewide)
+	{
+		static const pg_wchar strange_letter[] = {
+			/*
+			 * use binary search, so elements should be ordered
+			 */
+			0x0903,				/* DEVANAGARI SIGN VISARGA */
+			0x093E,				/* DEVANAGARI VOWEL SIGN AA */
+			0x093F,				/* DEVANAGARI VOWEL SIGN I */
+			0x0940,				/* DEVANAGARI VOWEL SIGN II */
+			0x0949,				/* DEVANAGARI VOWEL SIGN CANDRA O */
+			0x094A,				/* DEVANAGARI VOWEL SIGN SHORT O */
+			0x094B,				/* DEVANAGARI VOWEL SIGN O */
+			0x094C,				/* DEVANAGARI VOWEL SIGN AU */
+			0x0982,				/* BENGALI SIGN ANUSVARA */
+			0x0983,				/* BENGALI SIGN VISARGA */
+			0x09BE,				/* BENGALI VOWEL SIGN AA */
+			0x09BF,				/* BENGALI VOWEL SIGN I */
+			0x09C0,				/* BENGALI VOWEL SIGN II */
+			0x09C7,				/* BENGALI VOWEL SIGN E */
+			0x09C8,				/* BENGALI VOWEL SIGN AI */
+			0x09CB,				/* BENGALI VOWEL SIGN O */
+			0x09CC,				/* BENGALI VOWEL SIGN AU */
+			0x09D7,				/* BENGALI AU LENGTH MARK */
+			0x0A03,				/* GURMUKHI SIGN VISARGA */
+			0x0A3E,				/* GURMUKHI VOWEL SIGN AA */
+			0x0A3F,				/* GURMUKHI VOWEL SIGN I */
+			0x0A40,				/* GURMUKHI VOWEL SIGN II */
+			0x0A83,				/* GUJARATI SIGN VISARGA */
+			0x0ABE,				/* GUJARATI VOWEL SIGN AA */
+			0x0ABF,				/* GUJARATI VOWEL SIGN I */
+			0x0AC0,				/* GUJARATI VOWEL SIGN II */
+			0x0AC9,				/* GUJARATI VOWEL SIGN CANDRA O */
+			0x0ACB,				/* GUJARATI VOWEL SIGN O */
+			0x0ACC,				/* GUJARATI VOWEL SIGN AU */
+			0x0B02,				/* ORIYA SIGN ANUSVARA */
+			0x0B03,				/* ORIYA SIGN VISARGA */
+			0x0B3E,				/* ORIYA VOWEL SIGN AA */
+			0x0B40,				/* ORIYA VOWEL SIGN II */
+			0x0B47,				/* ORIYA VOWEL SIGN E */
+			0x0B48,				/* ORIYA VOWEL SIGN AI */
+			0x0B4B,				/* ORIYA VOWEL SIGN O */
+			0x0B4C,				/* ORIYA VOWEL SIGN AU */
+			0x0B57,				/* ORIYA AU LENGTH MARK */
+			0x0BBE,				/* TAMIL VOWEL SIGN AA */
+			0x0BBF,				/* TAMIL VOWEL SIGN I */
+			0x0BC1,				/* TAMIL VOWEL SIGN U */
+			0x0BC2,				/* TAMIL VOWEL SIGN UU */
+			0x0BC6,				/* TAMIL VOWEL SIGN E */
+			0x0BC7,				/* TAMIL VOWEL SIGN EE */
+			0x0BC8,				/* TAMIL VOWEL SIGN AI */
+			0x0BCA,				/* TAMIL VOWEL SIGN O */
+			0x0BCB,				/* TAMIL VOWEL SIGN OO */
+			0x0BCC,				/* TAMIL VOWEL SIGN AU */
+			0x0BD7,				/* TAMIL AU LENGTH MARK */
+			0x0C01,				/* TELUGU SIGN CANDRABINDU */
+			0x0C02,				/* TELUGU SIGN ANUSVARA */
+			0x0C03,				/* TELUGU SIGN VISARGA */
+			0x0C41,				/* TELUGU VOWEL SIGN U */
+			0x0C42,				/* TELUGU VOWEL SIGN UU */
+			0x0C43,				/* TELUGU VOWEL SIGN VOCALIC R */
+			0x0C44,				/* TELUGU VOWEL SIGN VOCALIC RR */
+			0x0C82,				/* KANNADA SIGN ANUSVARA */
+			0x0C83,				/* KANNADA SIGN VISARGA */
+			0x0CBE,				/* KANNADA VOWEL SIGN AA */
+			0x0CC0,				/* KANNADA VOWEL SIGN II */
+			0x0CC1,				/* KANNADA VOWEL SIGN U */
+			0x0CC2,				/* KANNADA VOWEL SIGN UU */
+			0x0CC3,				/* KANNADA VOWEL SIGN VOCALIC R */
+			0x0CC4,				/* KANNADA VOWEL SIGN VOCALIC RR */
+			0x0CC7,				/* KANNADA VOWEL SIGN EE */
+			0x0CC8,				/* KANNADA VOWEL SIGN AI */
+			0x0CCA,				/* KANNADA VOWEL SIGN O */
+			0x0CCB,				/* KANNADA VOWEL SIGN OO */
+			0x0CD5,				/* KANNADA LENGTH MARK */
+			0x0CD6,				/* KANNADA AI LENGTH MARK */
+			0x0D02,				/* MALAYALAM SIGN ANUSVARA */
+			0x0D03,				/* MALAYALAM SIGN VISARGA */
+			0x0D3E,				/* MALAYALAM VOWEL SIGN AA */
+			0x0D3F,				/* MALAYALAM VOWEL SIGN I */
+			0x0D40,				/* MALAYALAM VOWEL SIGN II */
+			0x0D46,				/* MALAYALAM VOWEL SIGN E */
+			0x0D47,				/* MALAYALAM VOWEL SIGN EE */
+			0x0D48,				/* MALAYALAM VOWEL SIGN AI */
+			0x0D4A,				/* MALAYALAM VOWEL SIGN O */
+			0x0D4B,				/* MALAYALAM VOWEL SIGN OO */
+			0x0D4C,				/* MALAYALAM VOWEL SIGN AU */
+			0x0D57,				/* MALAYALAM AU LENGTH MARK */
+			0x0D82,				/* SINHALA SIGN ANUSVARAYA */
+			0x0D83,				/* SINHALA SIGN VISARGAYA */
+			0x0DCF,				/* SINHALA VOWEL SIGN AELA-PILLA */
+			0x0DD0,				/* SINHALA VOWEL SIGN KETTI AEDA-PILLA */
+			0x0DD1,				/* SINHALA VOWEL SIGN DIGA AEDA-PILLA */
+			0x0DD8,				/* SINHALA VOWEL SIGN GAETTA-PILLA */
+			0x0DD9,				/* SINHALA VOWEL SIGN KOMBUVA */
+			0x0DDA,				/* SINHALA VOWEL SIGN DIGA KOMBUVA */
+			0x0DDB,				/* SINHALA VOWEL SIGN KOMBU DEKA */
+			0x0DDC,				/* SINHALA VOWEL SIGN KOMBUVA HAA AELA-PILLA */
+			0x0DDD,				/* SINHALA VOWEL SIGN KOMBUVA HAA DIGA
+								 * AELA-PILLA */
+			0x0DDE,				/* SINHALA VOWEL SIGN KOMBUVA HAA GAYANUKITTA */
+			0x0DDF,				/* SINHALA VOWEL SIGN GAYANUKITTA */
+			0x0DF2,				/* SINHALA VOWEL SIGN DIGA GAETTA-PILLA */
+			0x0DF3,				/* SINHALA VOWEL SIGN DIGA GAYANUKITTA */
+			0x0F3E,				/* TIBETAN SIGN YAR TSHES */
+			0x0F3F,				/* TIBETAN SIGN MAR TSHES */
+			0x0F7F,				/* TIBETAN SIGN RNAM BCAD */
+			0x102B,				/* MYANMAR VOWEL SIGN TALL AA */
+			0x102C,				/* MYANMAR VOWEL SIGN AA */
+			0x1031,				/* MYANMAR VOWEL SIGN E */
+			0x1038,				/* MYANMAR SIGN VISARGA */
+			0x103B,				/* MYANMAR CONSONANT SIGN MEDIAL YA */
+			0x103C,				/* MYANMAR CONSONANT SIGN MEDIAL RA */
+			0x1056,				/* MYANMAR VOWEL SIGN VOCALIC R */
+			0x1057,				/* MYANMAR VOWEL SIGN VOCALIC RR */
+			0x1062,				/* MYANMAR VOWEL SIGN SGAW KAREN EU */
+			0x1063,				/* MYANMAR TONE MARK SGAW KAREN HATHI */
+			0x1064,				/* MYANMAR TONE MARK SGAW KAREN KE PHO */
+			0x1067,				/* MYANMAR VOWEL SIGN WESTERN PWO KAREN EU */
+			0x1068,				/* MYANMAR VOWEL SIGN WESTERN PWO KAREN UE */
+			0x1069,				/* MYANMAR SIGN WESTERN PWO KAREN TONE-1 */
+			0x106A,				/* MYANMAR SIGN WESTERN PWO KAREN TONE-2 */
+			0x106B,				/* MYANMAR SIGN WESTERN PWO KAREN TONE-3 */
+			0x106C,				/* MYANMAR SIGN WESTERN PWO KAREN TONE-4 */
+			0x106D,				/* MYANMAR SIGN WESTERN PWO KAREN TONE-5 */
+			0x1083,				/* MYANMAR VOWEL SIGN SHAN AA */
+			0x1084,				/* MYANMAR VOWEL SIGN SHAN E */
+			0x1087,				/* MYANMAR SIGN SHAN TONE-2 */
+			0x1088,				/* MYANMAR SIGN SHAN TONE-3 */
+			0x1089,				/* MYANMAR SIGN SHAN TONE-5 */
+			0x108A,				/* MYANMAR SIGN SHAN TONE-6 */
+			0x108B,				/* MYANMAR SIGN SHAN COUNCIL TONE-2 */
+			0x108C,				/* MYANMAR SIGN SHAN COUNCIL TONE-3 */
+			0x108F,				/* MYANMAR SIGN RUMAI PALAUNG TONE-5 */
+			0x17B6,				/* KHMER VOWEL SIGN AA */
+			0x17BE,				/* KHMER VOWEL SIGN OE */
+			0x17BF,				/* KHMER VOWEL SIGN YA */
+			0x17C0,				/* KHMER VOWEL SIGN IE */
+			0x17C1,				/* KHMER VOWEL SIGN E */
+			0x17C2,				/* KHMER VOWEL SIGN AE */
+			0x17C3,				/* KHMER VOWEL SIGN AI */
+			0x17C4,				/* KHMER VOWEL SIGN OO */
+			0x17C5,				/* KHMER VOWEL SIGN AU */
+			0x17C7,				/* KHMER SIGN REAHMUK */
+			0x17C8,				/* KHMER SIGN YUUKALEAPINTU */
+			0x1923,				/* LIMBU VOWEL SIGN EE */
+			0x1924,				/* LIMBU VOWEL SIGN AI */
+			0x1925,				/* LIMBU VOWEL SIGN OO */
+			0x1926,				/* LIMBU VOWEL SIGN AU */
+			0x1929,				/* LIMBU SUBJOINED LETTER YA */
+			0x192A,				/* LIMBU SUBJOINED LETTER RA */
+			0x192B,				/* LIMBU SUBJOINED LETTER WA */
+			0x1930,				/* LIMBU SMALL LETTER KA */
+			0x1931,				/* LIMBU SMALL LETTER NGA */
+			0x1933,				/* LIMBU SMALL LETTER TA */
+			0x1934,				/* LIMBU SMALL LETTER NA */
+			0x1935,				/* LIMBU SMALL LETTER PA */
+			0x1936,				/* LIMBU SMALL LETTER MA */
+			0x1937,				/* LIMBU SMALL LETTER RA */
+			0x1938,				/* LIMBU SMALL LETTER LA */
+			0x19B0,				/* NEW TAI LUE VOWEL SIGN VOWEL SHORTENER */
+			0x19B1,				/* NEW TAI LUE VOWEL SIGN AA */
+			0x19B2,				/* NEW TAI LUE VOWEL SIGN II */
+			0x19B3,				/* NEW TAI LUE VOWEL SIGN U */
+			0x19B4,				/* NEW TAI LUE VOWEL SIGN UU */
+			0x19B5,				/* NEW TAI LUE VOWEL SIGN E */
+			0x19B6,				/* NEW TAI LUE VOWEL SIGN AE */
+			0x19B7,				/* NEW TAI LUE VOWEL SIGN O */
+			0x19B8,				/* NEW TAI LUE VOWEL SIGN OA */
+			0x19B9,				/* NEW TAI LUE VOWEL SIGN UE */
+			0x19BA,				/* NEW TAI LUE VOWEL SIGN AY */
+			0x19BB,				/* NEW TAI LUE VOWEL SIGN AAY */
+			0x19BC,				/* NEW TAI LUE VOWEL SIGN UY */
+			0x19BD,				/* NEW TAI LUE VOWEL SIGN OY */
+			0x19BE,				/* NEW TAI LUE VOWEL SIGN OAY */
+			0x19BF,				/* NEW TAI LUE VOWEL SIGN UEY */
+			0x19C0,				/* NEW TAI LUE VOWEL SIGN IY */
+			0x19C8,				/* NEW TAI LUE TONE MARK-1 */
+			0x19C9,				/* NEW TAI LUE TONE MARK-2 */
+			0x1A19,				/* BUGINESE VOWEL SIGN E */
+			0x1A1A,				/* BUGINESE VOWEL SIGN O */
+			0x1A1B,				/* BUGINESE VOWEL SIGN AE */
+			0x1B04,				/* BALINESE SIGN BISAH */
+			0x1B35,				/* BALINESE VOWEL SIGN TEDUNG */
+			0x1B3B,				/* BALINESE VOWEL SIGN RA REPA TEDUNG */
+			0x1B3D,				/* BALINESE VOWEL SIGN LA LENGA TEDUNG */
+			0x1B3E,				/* BALINESE VOWEL SIGN TALING */
+			0x1B3F,				/* BALINESE VOWEL SIGN TALING REPA */
+			0x1B40,				/* BALINESE VOWEL SIGN TALING TEDUNG */
+			0x1B41,				/* BALINESE VOWEL SIGN TALING REPA TEDUNG */
+			0x1B43,				/* BALINESE VOWEL SIGN PEPET TEDUNG */
+			0x1B44,				/* BALINESE ADEG ADEG */
+			0x1B82,				/* SUNDANESE SIGN PANGWISAD */
+			0x1BA1,				/* SUNDANESE CONSONANT SIGN PAMINGKAL */
+			0x1BA6,				/* SUNDANESE VOWEL SIGN PANAELAENG */
+			0x1BA7,				/* SUNDANESE VOWEL SIGN PANOLONG */
+			0x1BAA,				/* SUNDANESE SIGN PAMAAEH */
+			0x1C24,				/* LEPCHA SUBJOINED LETTER YA */
+			0x1C25,				/* LEPCHA SUBJOINED LETTER RA */
+			0x1C26,				/* LEPCHA VOWEL SIGN AA */
+			0x1C27,				/* LEPCHA VOWEL SIGN I */
+			0x1C28,				/* LEPCHA VOWEL SIGN O */
+			0x1C29,				/* LEPCHA VOWEL SIGN OO */
+			0x1C2A,				/* LEPCHA VOWEL SIGN U */
+			0x1C2B,				/* LEPCHA VOWEL SIGN UU */
+			0x1C34,				/* LEPCHA CONSONANT SIGN NYIN-DO */
+			0x1C35,				/* LEPCHA CONSONANT SIGN KANG */
+			0xA823,				/* SYLOTI NAGRI VOWEL SIGN A */
+			0xA824,				/* SYLOTI NAGRI VOWEL SIGN I */
+			0xA827,				/* SYLOTI NAGRI VOWEL SIGN OO */
+			0xA880,				/* SAURASHTRA SIGN ANUSVARA */
+			0xA881,				/* SAURASHTRA SIGN VISARGA */
+			0xA8B4,				/* SAURASHTRA CONSONANT SIGN HAARU */
+			0xA8B5,				/* SAURASHTRA VOWEL SIGN AA */
+			0xA8B6,				/* SAURASHTRA VOWEL SIGN I */
+			0xA8B7,				/* SAURASHTRA VOWEL SIGN II */
+			0xA8B8,				/* SAURASHTRA VOWEL SIGN U */
+			0xA8B9,				/* SAURASHTRA VOWEL SIGN UU */
+			0xA8BA,				/* SAURASHTRA VOWEL SIGN VOCALIC R */
+			0xA8BB,				/* SAURASHTRA VOWEL SIGN VOCALIC RR */
+			0xA8BC,				/* SAURASHTRA VOWEL SIGN VOCALIC L */
+			0xA8BD,				/* SAURASHTRA VOWEL SIGN VOCALIC LL */
+			0xA8BE,				/* SAURASHTRA VOWEL SIGN E */
+			0xA8BF,				/* SAURASHTRA VOWEL SIGN EE */
+			0xA8C0,				/* SAURASHTRA VOWEL SIGN AI */
+			0xA8C1,				/* SAURASHTRA VOWEL SIGN O */
+			0xA8C2,				/* SAURASHTRA VOWEL SIGN OO */
+			0xA8C3,				/* SAURASHTRA VOWEL SIGN AU */
+			0xA952,				/* REJANG CONSONANT SIGN H */
+			0xA953,				/* REJANG VIRAMA */
+			0xAA2F,				/* CHAM VOWEL SIGN O */
+			0xAA30,				/* CHAM VOWEL SIGN AI */
+			0xAA33,				/* CHAM CONSONANT SIGN YA */
+			0xAA34,				/* CHAM CONSONANT SIGN RA */
+			0xAA4D				/* CHAM CONSONANT SIGN FINAL H */
+		};
+		const pg_wchar *StopLow = strange_letter,
+				   *StopHigh = strange_letter + lengthof(strange_letter),
+				   *StopMiddle;
+		pg_wchar	c;
+
+		if (prs->pgwstr)
+			c = *(prs->pgwstr + prs->state->poschar);
+		else
+			c = (pg_wchar) *(prs->wstr + prs->state->poschar);
+
+		while (StopLow < StopHigh)
+		{
+			StopMiddle = StopLow + ((StopHigh - StopLow) >> 1);
+			if (*StopMiddle == c)
+				return 1;
+			else if (*StopMiddle < c)
+				StopLow = StopMiddle + 1;
+			else
+				StopHigh = StopMiddle;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * Table of state/action of parser
+ */
+
+static const TParserStateActionItem actionTPS_Base[] = {
+	{p_isEOF, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '<', A_PUSH, TPS_InTagFirst, 0, NULL},
+	{p_isignore, 0, A_NEXT, TPS_InSpace, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InAsciiWord, 0, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InWord, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InUnsignedInt, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InSignedIntFirst, 0, NULL},
+	{p_iseqC, '+', A_PUSH, TPS_InSignedIntFirst, 0, NULL},
+	{p_iseqC, '&', A_PUSH, TPS_InXMLEntityFirst, 0, NULL},
+	{p_iseqC, '~', A_PUSH, TPS_InFileTwiddle, 0, NULL},
+	{p_iseqC, '/', A_PUSH, TPS_InFileFirst, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InPathFirstFirst, 0, NULL},
+	{NULL, 0, A_NEXT, TPS_InSpace, 0, NULL}
+};
+
+
+static const TParserStateActionItem actionTPS_InNumWord[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, NUMWORD, NULL},
+	{p_isalnum, 0, A_NEXT, TPS_InNumWord, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_InNumWord, 0, NULL},
+	{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
+	{p_iseqC, '/', A_PUSH, TPS_InFileFirst, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InFileNext, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHyphenNumWordFirst, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, NUMWORD, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InAsciiWord[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, ASCIIWORD, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InHostFirstDomain, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InFileNext, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHostFirstAN, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHyphenAsciiWordFirst, 0, NULL},
+	{p_iseqC, '_', A_PUSH, TPS_InHostFirstAN, 0, NULL},
+	{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
+	{p_iseqC, ':', A_PUSH, TPS_InProtocolFirst, 0, NULL},
+	{p_iseqC, '/', A_PUSH, TPS_InFileFirst, 0, NULL},
+	{p_isdigit, 0, A_PUSH, TPS_InHost, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InNumWord, 0, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InWord, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_InWord, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, ASCIIWORD, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InWord[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, WORD_T, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InNumWord, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHyphenWordFirst, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, WORD_T, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InUnsignedInt[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, UNSIGNEDINT, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InHostFirstDomain, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InUDecimalFirst, 0, NULL},
+	{p_iseqC, 'e', A_PUSH, TPS_InMantissaFirst, 0, NULL},
+	{p_iseqC, 'E', A_PUSH, TPS_InMantissaFirst, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHostFirstAN, 0, NULL},
+	{p_iseqC, '_', A_PUSH, TPS_InHostFirstAN, 0, NULL},
+	{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
+	{p_isasclet, 0, A_PUSH, TPS_InHost, 0, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InNumWord, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_InNumWord, 0, NULL},
+	{p_iseqC, '/', A_PUSH, TPS_InFileFirst, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, UNSIGNEDINT, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InSignedIntFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_NEXT | A_CLEAR, TPS_InSignedInt, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InSignedInt[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, SIGNEDINT, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InDecimalFirst, 0, NULL},
+	{p_iseqC, 'e', A_PUSH, TPS_InMantissaFirst, 0, NULL},
+	{p_iseqC, 'E', A_PUSH, TPS_InMantissaFirst, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, SIGNEDINT, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InSpace[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, SPACE, NULL},
+	{p_iseqC, '<', A_BINGO, TPS_Base, SPACE, NULL},
+	{p_isignore, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '-', A_BINGO, TPS_Base, SPACE, NULL},
+	{p_iseqC, '+', A_BINGO, TPS_Base, SPACE, NULL},
+	{p_iseqC, '&', A_BINGO, TPS_Base, SPACE, NULL},
+	{p_iseqC, '/', A_BINGO, TPS_Base, SPACE, NULL},
+	{p_isnotalnum, 0, A_NEXT, TPS_InSpace, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, SPACE, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InUDecimalFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_CLEAR, TPS_InUDecimal, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InUDecimal[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, DECIMAL_T, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InUDecimal, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InVersionFirst, 0, NULL},
+	{p_iseqC, 'e', A_PUSH, TPS_InMantissaFirst, 0, NULL},
+	{p_iseqC, 'E', A_PUSH, TPS_InMantissaFirst, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, DECIMAL_T, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InDecimalFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_CLEAR, TPS_InDecimal, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InDecimal[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, DECIMAL_T, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InDecimal, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InVerVersion, 0, NULL},
+	{p_iseqC, 'e', A_PUSH, TPS_InMantissaFirst, 0, NULL},
+	{p_iseqC, 'E', A_PUSH, TPS_InMantissaFirst, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, DECIMAL_T, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InVerVersion[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_RERUN, TPS_InSVerVersion, 0, SpecialVerVersion},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InSVerVersion[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_BINGO | A_CLRALL, TPS_InUnsignedInt, SPACE, NULL},
+	{NULL, 0, A_NEXT, TPS_Null, 0, NULL}
+};
+
+
+static const TParserStateActionItem actionTPS_InVersionFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_CLEAR, TPS_InVersion, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InVersion[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, VERSIONNUMBER, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InVersion, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InVersionFirst, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, VERSIONNUMBER, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InMantissaFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_CLEAR, TPS_InMantissa, 0, NULL},
+	{p_iseqC, '+', A_NEXT, TPS_InMantissaSign, 0, NULL},
+	{p_iseqC, '-', A_NEXT, TPS_InMantissaSign, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InMantissaSign[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_CLEAR, TPS_InMantissa, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InMantissa[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, SCIENTIFIC, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InMantissa, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, SCIENTIFIC, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InXMLEntityFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '#', A_NEXT, TPS_InXMLEntityNumFirst, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InXMLEntity, 0, NULL},
+	{p_iseqC, ':', A_NEXT, TPS_InXMLEntity, 0, NULL},
+	{p_iseqC, '_', A_NEXT, TPS_InXMLEntity, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InXMLEntity[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isalnum, 0, A_NEXT, TPS_InXMLEntity, 0, NULL},
+	{p_iseqC, ':', A_NEXT, TPS_InXMLEntity, 0, NULL},
+	{p_iseqC, '_', A_NEXT, TPS_InXMLEntity, 0, NULL},
+	{p_iseqC, '.', A_NEXT, TPS_InXMLEntity, 0, NULL},
+	{p_iseqC, '-', A_NEXT, TPS_InXMLEntity, 0, NULL},
+	{p_iseqC, ';', A_NEXT, TPS_InXMLEntityEnd, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InXMLEntityNumFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, 'x', A_NEXT, TPS_InXMLEntityHexNumFirst, 0, NULL},
+	{p_iseqC, 'X', A_NEXT, TPS_InXMLEntityHexNumFirst, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InXMLEntityNum, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InXMLEntityHexNumFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isxdigit, 0, A_NEXT, TPS_InXMLEntityHexNum, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InXMLEntityNum[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InXMLEntityNum, 0, NULL},
+	{p_iseqC, ';', A_NEXT, TPS_InXMLEntityEnd, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InXMLEntityHexNum[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isxdigit, 0, A_NEXT, TPS_InXMLEntityHexNum, 0, NULL},
+	{p_iseqC, ';', A_NEXT, TPS_InXMLEntityEnd, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InXMLEntityEnd[] = {
+	{NULL, 0, A_BINGO | A_CLEAR, TPS_Base, XMLENTITY, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InTagFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '/', A_PUSH, TPS_InTagCloseFirst, 0, NULL},
+	{p_iseqC, '!', A_PUSH, TPS_InCommentFirst, 0, NULL},
+	{p_iseqC, '?', A_PUSH, TPS_InXMLBegin, 0, NULL},
+	{p_isasclet, 0, A_PUSH, TPS_InTagName, 0, NULL},
+	{p_iseqC, ':', A_PUSH, TPS_InTagName, 0, NULL},
+	{p_iseqC, '_', A_PUSH, TPS_InTagName, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InXMLBegin[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	/* <?xml ... */
+	/* XXX do we wants states for the m and l ?  Right now this accepts <?xZ */
+	{p_iseqC, 'x', A_NEXT, TPS_InTag, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InTagCloseFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InTagName, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InTagName[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	/* <br/> case */
+	{p_iseqC, '/', A_NEXT, TPS_InTagBeginEnd, 0, NULL},
+	{p_iseqC, '>', A_NEXT, TPS_InTagEnd, 0, SpecialTags},
+	{p_isspace, 0, A_NEXT, TPS_InTag, 0, SpecialTags},
+	{p_isalnum, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, ':', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '_', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '.', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '-', A_NEXT, TPS_Null, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InTagBeginEnd[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '>', A_NEXT, TPS_InTagEnd, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InTag[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '>', A_NEXT, TPS_InTagEnd, 0, SpecialTags},
+	{p_iseqC, '\'', A_NEXT, TPS_InTagEscapeK, 0, NULL},
+	{p_iseqC, '"', A_NEXT, TPS_InTagEscapeKK, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '=', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '-', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '_', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '#', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '/', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, ':', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '.', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '&', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '?', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '%', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '~', A_NEXT, TPS_Null, 0, NULL},
+	{p_isspace, 0, A_NEXT, TPS_Null, 0, SpecialTags},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InTagEscapeK[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '\\', A_PUSH, TPS_InTagBackSleshed, 0, NULL},
+	{p_iseqC, '\'', A_NEXT, TPS_InTag, 0, NULL},
+	{NULL, 0, A_NEXT, TPS_InTagEscapeK, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InTagEscapeKK[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '\\', A_PUSH, TPS_InTagBackSleshed, 0, NULL},
+	{p_iseqC, '"', A_NEXT, TPS_InTag, 0, NULL},
+	{NULL, 0, A_NEXT, TPS_InTagEscapeKK, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InTagBackSleshed[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{NULL, 0, A_MERGE, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InTagEnd[] = {
+	{NULL, 0, A_BINGO | A_CLRALL, TPS_Base, TAG_T, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InCommentFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '-', A_NEXT, TPS_InCommentLast, 0, NULL},
+	/* <!DOCTYPE ...> */
+	{p_iseqC, 'D', A_NEXT, TPS_InTag, 0, NULL},
+	{p_iseqC, 'd', A_NEXT, TPS_InTag, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InCommentLast[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '-', A_NEXT, TPS_InComment, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InComment[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '-', A_NEXT, TPS_InCloseCommentFirst, 0, NULL},
+	{NULL, 0, A_NEXT, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InCloseCommentFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '-', A_NEXT, TPS_InCloseCommentLast, 0, NULL},
+	{NULL, 0, A_NEXT, TPS_InComment, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InCloseCommentLast[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '-', A_NEXT, TPS_Null, 0, NULL},
+	{p_iseqC, '>', A_NEXT, TPS_InCommentEnd, 0, NULL},
+	{NULL, 0, A_NEXT, TPS_InComment, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InCommentEnd[] = {
+	{NULL, 0, A_BINGO | A_CLRALL, TPS_Base, TAG_T, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHostFirstDomain[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InHostDomainSecond, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHost, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHostDomainSecond[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InHostDomain, 0, NULL},
+	{p_isdigit, 0, A_PUSH, TPS_InHost, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHostFirstAN, 0, NULL},
+	{p_iseqC, '_', A_PUSH, TPS_InHostFirstAN, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InHostFirstDomain, 0, NULL},
+	{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHostDomain[] = {
+	{p_isEOF, 0, A_BINGO | A_CLRALL, TPS_Base, HOST, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InHostDomain, 0, NULL},
+	{p_isdigit, 0, A_PUSH, TPS_InHost, 0, NULL},
+	{p_iseqC, ':', A_PUSH, TPS_InPortFirst, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHostFirstAN, 0, NULL},
+	{p_iseqC, '_', A_PUSH, TPS_InHostFirstAN, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InHostFirstDomain, 0, NULL},
+	{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
+	{p_isdigit, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isstophost, 0, A_BINGO | A_CLRALL, TPS_InURLPathStart, HOST, NULL},
+	{p_iseqC, '/', A_PUSH, TPS_InFURL, 0, NULL},
+	{NULL, 0, A_BINGO | A_CLRALL, TPS_Base, HOST, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InPortFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InPort, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InPort[] = {
+	{p_isEOF, 0, A_BINGO | A_CLRALL, TPS_Base, HOST, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InPort, 0, NULL},
+	{p_isstophost, 0, A_BINGO | A_CLRALL, TPS_InURLPathStart, HOST, NULL},
+	{p_iseqC, '/', A_PUSH, TPS_InFURL, 0, NULL},
+	{NULL, 0, A_BINGO | A_CLRALL, TPS_Base, HOST, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHostFirstAN[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHost, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InHost, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHost[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHost, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InHost, 0, NULL},
+	{p_iseqC, '@', A_PUSH, TPS_InEmail, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InHostFirstDomain, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHostFirstAN, 0, NULL},
+	{p_iseqC, '_', A_PUSH, TPS_InHostFirstAN, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InEmail[] = {
+	{p_isstophost, 0, A_POP, TPS_Null, 0, NULL},
+	{p_ishost, 0, A_BINGO | A_CLRALL, TPS_Base, EMAIL, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InFileFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InFile, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InFile, 0, NULL},
+	{p_iseqC, '.', A_NEXT, TPS_InPathFirst, 0, NULL},
+	{p_iseqC, '_', A_NEXT, TPS_InFile, 0, NULL},
+	{p_iseqC, '~', A_PUSH, TPS_InFileTwiddle, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InFileTwiddle[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InFile, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InFile, 0, NULL},
+	{p_iseqC, '_', A_NEXT, TPS_InFile, 0, NULL},
+	{p_iseqC, '/', A_NEXT, TPS_InFileFirst, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InPathFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InFile, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InFile, 0, NULL},
+	{p_iseqC, '_', A_NEXT, TPS_InFile, 0, NULL},
+	{p_iseqC, '.', A_NEXT, TPS_InPathSecond, 0, NULL},
+	{p_iseqC, '/', A_NEXT, TPS_InFileFirst, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InPathFirstFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '.', A_NEXT, TPS_InPathSecond, 0, NULL},
+	{p_iseqC, '/', A_NEXT, TPS_InFileFirst, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InPathSecond[] = {
+	{p_isEOF, 0, A_BINGO | A_CLEAR, TPS_Base, FILEPATH, NULL},
+	{p_iseqC, '/', A_NEXT | A_PUSH, TPS_InFileFirst, 0, NULL},
+	{p_iseqC, '/', A_BINGO | A_CLEAR, TPS_Base, FILEPATH, NULL},
+	{p_isspace, 0, A_BINGO | A_CLEAR, TPS_Base, FILEPATH, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InFile[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, FILEPATH, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InFile, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InFile, 0, NULL},
+	{p_iseqC, '.', A_PUSH, TPS_InFileNext, 0, NULL},
+	{p_iseqC, '_', A_NEXT, TPS_InFile, 0, NULL},
+	{p_iseqC, '-', A_NEXT, TPS_InFile, 0, NULL},
+	{p_iseqC, '/', A_PUSH, TPS_InFileFirst, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, FILEPATH, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InFileNext[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isasclet, 0, A_CLEAR, TPS_InFile, 0, NULL},
+	{p_isdigit, 0, A_CLEAR, TPS_InFile, 0, NULL},
+	{p_iseqC, '_', A_CLEAR, TPS_InFile, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InURLPathFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isurlchar, 0, A_NEXT, TPS_InURLPath, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL},
+};
+
+static const TParserStateActionItem actionTPS_InURLPathStart[] = {
+	{NULL, 0, A_NEXT, TPS_InURLPath, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InURLPath[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, URLPATH, NULL},
+	{p_isurlchar, 0, A_NEXT, TPS_InURLPath, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_Base, URLPATH, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InFURL[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isURLPath, 0, A_BINGO | A_CLRALL, TPS_Base, URL_T, SpecialFURL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InProtocolFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '/', A_NEXT, TPS_InProtocolSecond, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InProtocolSecond[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_iseqC, '/', A_NEXT, TPS_InProtocolEnd, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InProtocolEnd[] = {
+	{NULL, 0, A_BINGO | A_CLRALL, TPS_Base, PROTOCOL, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenAsciiWordFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InHyphenAsciiWord, 0, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InHyphenWord, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHyphenDigitLookahead, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenAsciiWord[] = {
+	{p_isEOF, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, ASCIIHWORD, SpecialHyphen},
+	{p_isasclet, 0, A_NEXT, TPS_InHyphenAsciiWord, 0, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InHyphenWord, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_InHyphenWord, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHyphenAsciiWordFirst, 0, NULL},
+	{NULL, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, ASCIIHWORD, SpecialHyphen}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenWordFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InHyphenWord, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHyphenDigitLookahead, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenWord[] = {
+	{p_isEOF, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, HWORD, SpecialHyphen},
+	{p_isalpha, 0, A_NEXT, TPS_InHyphenWord, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_InHyphenWord, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHyphenWordFirst, 0, NULL},
+	{NULL, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, HWORD, SpecialHyphen}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenNumWordFirst[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHyphenDigitLookahead, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenNumWord[] = {
+	{p_isEOF, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, NUMHWORD, SpecialHyphen},
+	{p_isalnum, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InHyphenNumWordFirst, 0, NULL},
+	{NULL, 0, A_BINGO | A_CLRALL, TPS_InParseHyphen, NUMHWORD, SpecialHyphen}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenDigitLookahead[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHyphenDigitLookahead, 0, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_InHyphenNumWord, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InParseHyphen[] = {
+	{p_isEOF, 0, A_RERUN, TPS_Base, 0, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InHyphenAsciiWordPart, 0, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InHyphenWordPart, 0, NULL},
+	{p_isdigit, 0, A_PUSH, TPS_InHyphenUnsignedInt, 0, NULL},
+	{p_iseqC, '-', A_PUSH, TPS_InParseHyphenHyphen, 0, NULL},
+	{NULL, 0, A_RERUN, TPS_Base, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InParseHyphenHyphen[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isalnum, 0, A_BINGO | A_CLEAR, TPS_InParseHyphen, SPACE, NULL},
+	{p_isspecial, 0, A_BINGO | A_CLEAR, TPS_InParseHyphen, SPACE, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenWordPart[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, PARTHWORD, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InHyphenWordPart, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_InHyphenWordPart, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHyphenNumWordPart, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_InParseHyphen, PARTHWORD, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenAsciiWordPart[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, ASCIIPARTHWORD, NULL},
+	{p_isasclet, 0, A_NEXT, TPS_InHyphenAsciiWordPart, 0, NULL},
+	{p_isalpha, 0, A_NEXT, TPS_InHyphenWordPart, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_InHyphenWordPart, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_InHyphenNumWordPart, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_InParseHyphen, ASCIIPARTHWORD, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenNumWordPart[] = {
+	{p_isEOF, 0, A_BINGO, TPS_Base, NUMPARTHWORD, NULL},
+	{p_isalnum, 0, A_NEXT, TPS_InHyphenNumWordPart, 0, NULL},
+	{p_isspecial, 0, A_NEXT, TPS_InHyphenNumWordPart, 0, NULL},
+	{NULL, 0, A_BINGO, TPS_InParseHyphen, NUMPARTHWORD, NULL}
+};
+
+static const TParserStateActionItem actionTPS_InHyphenUnsignedInt[] = {
+	{p_isEOF, 0, A_POP, TPS_Null, 0, NULL},
+	{p_isdigit, 0, A_NEXT, TPS_Null, 0, NULL},
+	{p_isalpha, 0, A_CLEAR, TPS_InHyphenNumWordPart, 0, NULL},
+	{p_isspecial, 0, A_CLEAR, TPS_InHyphenNumWordPart, 0, NULL},
+	{NULL, 0, A_POP, TPS_Null, 0, NULL}
+};
+
+
+/*
+ * main table of per-state parser actions
+ */
+typedef struct
+{
+	const TParserStateActionItem *action;	/* the actual state info */
+	TParserState state;			/* only for Assert crosscheck */
+#ifdef WPARSER_TRACE
+	const char *state_name;		/* only for debug printout */
+#endif
+} TParserStateAction;
+
+#ifdef WPARSER_TRACE
+#define TPARSERSTATEACTION(state) \
+	{ CppConcat(action,state), state, CppAsString(state) }
+#else
+#define TPARSERSTATEACTION(state) \
+	{ CppConcat(action,state), state }
+#endif
+
+/*
+ * order must be the same as in typedef enum {} TParserState!!
+ */
+
+static const TParserStateAction Actions[] = {
+	TPARSERSTATEACTION(TPS_Base),
+	TPARSERSTATEACTION(TPS_InNumWord),
+	TPARSERSTATEACTION(TPS_InAsciiWord),
+	TPARSERSTATEACTION(TPS_InWord),
+	TPARSERSTATEACTION(TPS_InUnsignedInt),
+	TPARSERSTATEACTION(TPS_InSignedIntFirst),
+	TPARSERSTATEACTION(TPS_InSignedInt),
+	TPARSERSTATEACTION(TPS_InSpace),
+	TPARSERSTATEACTION(TPS_InUDecimalFirst),
+	TPARSERSTATEACTION(TPS_InUDecimal),
+	TPARSERSTATEACTION(TPS_InDecimalFirst),
+	TPARSERSTATEACTION(TPS_InDecimal),
+	TPARSERSTATEACTION(TPS_InVerVersion),
+	TPARSERSTATEACTION(TPS_InSVerVersion),
+	TPARSERSTATEACTION(TPS_InVersionFirst),
+	TPARSERSTATEACTION(TPS_InVersion),
+	TPARSERSTATEACTION(TPS_InMantissaFirst),
+	TPARSERSTATEACTION(TPS_InMantissaSign),
+	TPARSERSTATEACTION(TPS_InMantissa),
+	TPARSERSTATEACTION(TPS_InXMLEntityFirst),
+	TPARSERSTATEACTION(TPS_InXMLEntity),
+	TPARSERSTATEACTION(TPS_InXMLEntityNumFirst),
+	TPARSERSTATEACTION(TPS_InXMLEntityNum),
+	TPARSERSTATEACTION(TPS_InXMLEntityHexNumFirst),
+	TPARSERSTATEACTION(TPS_InXMLEntityHexNum),
+	TPARSERSTATEACTION(TPS_InXMLEntityEnd),
+	TPARSERSTATEACTION(TPS_InTagFirst),
+	TPARSERSTATEACTION(TPS_InXMLBegin),
+	TPARSERSTATEACTION(TPS_InTagCloseFirst),
+	TPARSERSTATEACTION(TPS_InTagName),
+	TPARSERSTATEACTION(TPS_InTagBeginEnd),
+	TPARSERSTATEACTION(TPS_InTag),
+	TPARSERSTATEACTION(TPS_InTagEscapeK),
+	TPARSERSTATEACTION(TPS_InTagEscapeKK),
+	TPARSERSTATEACTION(TPS_InTagBackSleshed),
+	TPARSERSTATEACTION(TPS_InTagEnd),
+	TPARSERSTATEACTION(TPS_InCommentFirst),
+	TPARSERSTATEACTION(TPS_InCommentLast),
+	TPARSERSTATEACTION(TPS_InComment),
+	TPARSERSTATEACTION(TPS_InCloseCommentFirst),
+	TPARSERSTATEACTION(TPS_InCloseCommentLast),
+	TPARSERSTATEACTION(TPS_InCommentEnd),
+	TPARSERSTATEACTION(TPS_InHostFirstDomain),
+	TPARSERSTATEACTION(TPS_InHostDomainSecond),
+	TPARSERSTATEACTION(TPS_InHostDomain),
+	TPARSERSTATEACTION(TPS_InPortFirst),
+	TPARSERSTATEACTION(TPS_InPort),
+	TPARSERSTATEACTION(TPS_InHostFirstAN),
+	TPARSERSTATEACTION(TPS_InHost),
+	TPARSERSTATEACTION(TPS_InEmail),
+	TPARSERSTATEACTION(TPS_InFileFirst),
+	TPARSERSTATEACTION(TPS_InFileTwiddle),
+	TPARSERSTATEACTION(TPS_InPathFirst),
+	TPARSERSTATEACTION(TPS_InPathFirstFirst),
+	TPARSERSTATEACTION(TPS_InPathSecond),
+	TPARSERSTATEACTION(TPS_InFile),
+	TPARSERSTATEACTION(TPS_InFileNext),
+	TPARSERSTATEACTION(TPS_InURLPathFirst),
+	TPARSERSTATEACTION(TPS_InURLPathStart),
+	TPARSERSTATEACTION(TPS_InURLPath),
+	TPARSERSTATEACTION(TPS_InFURL),
+	TPARSERSTATEACTION(TPS_InProtocolFirst),
+	TPARSERSTATEACTION(TPS_InProtocolSecond),
+	TPARSERSTATEACTION(TPS_InProtocolEnd),
+	TPARSERSTATEACTION(TPS_InHyphenAsciiWordFirst),
+	TPARSERSTATEACTION(TPS_InHyphenAsciiWord),
+	TPARSERSTATEACTION(TPS_InHyphenWordFirst),
+	TPARSERSTATEACTION(TPS_InHyphenWord),
+	TPARSERSTATEACTION(TPS_InHyphenNumWordFirst),
+	TPARSERSTATEACTION(TPS_InHyphenNumWord),
+	TPARSERSTATEACTION(TPS_InHyphenDigitLookahead),
+	TPARSERSTATEACTION(TPS_InParseHyphen),
+	TPARSERSTATEACTION(TPS_InParseHyphenHyphen),
+	TPARSERSTATEACTION(TPS_InHyphenWordPart),
+	TPARSERSTATEACTION(TPS_InHyphenAsciiWordPart),
+	TPARSERSTATEACTION(TPS_InHyphenNumWordPart),
+	TPARSERSTATEACTION(TPS_InHyphenUnsignedInt)
+};
+
+
+static bool
+TParserGet(TParser *prs)
+{
+	const TParserStateActionItem *item = NULL;
+
+	CHECK_FOR_INTERRUPTS();
+
+	Assert(prs->state);
+
+	if (prs->state->posbyte >= prs->lenstr)
+		return false;
+
+	prs->token = prs->str + prs->state->posbyte;
+	prs->state->pushedAtAction = NULL;
+
+	/* look at string */
+	while (prs->state->posbyte <= prs->lenstr)
+	{
+		if (prs->state->posbyte == prs->lenstr)
+			prs->state->charlen = 0;
+		else
+			prs->state->charlen = (prs->charmaxlen == 1) ? prs->charmaxlen :
+				pg_mblen(prs->str + prs->state->posbyte);
+
+		Assert(prs->state->posbyte + prs->state->charlen <= prs->lenstr);
+		Assert(prs->state->state >= TPS_Base && prs->state->state < TPS_Null);
+		Assert(Actions[prs->state->state].state == prs->state->state);
+
+		if (prs->state->pushedAtAction)
+		{
+			/* After a POP, pick up at the next test */
+			item = prs->state->pushedAtAction + 1;
+			prs->state->pushedAtAction = NULL;
+		}
+		else
+		{
+			item = Actions[prs->state->state].action;
+			Assert(item != NULL);
+		}
+
+		/* find action by character class */
+		while (item->isclass)
+		{
+			prs->c = item->c;
+			if (item->isclass(prs) != 0)
+				break;
+			item++;
+		}
+
+#ifdef WPARSER_TRACE
+		{
+			TParserPosition *ptr;
+
+			fprintf(stderr, "state ");
+			/* indent according to stack depth */
+			for (ptr = prs->state->prev; ptr; ptr = ptr->prev)
+				fprintf(stderr, "  ");
+			fprintf(stderr, "%s ", Actions[prs->state->state].state_name);
+			if (prs->state->posbyte < prs->lenstr)
+				fprintf(stderr, "at %c", *(prs->str + prs->state->posbyte));
+			else
+				fprintf(stderr, "at EOF");
+			fprintf(stderr, " matched rule %d flags%s%s%s%s%s%s%s%s%s%s%s\n",
+					(int) (item - Actions[prs->state->state].action),
+					(item->flags & A_BINGO) ? " BINGO" : "",
+					(item->flags & A_POP) ? " POP" : "",
+					(item->flags & A_PUSH) ? " PUSH" : "",
+					(item->flags & A_RERUN) ? " RERUN" : "",
+					(item->flags & A_CLEAR) ? " CLEAR" : "",
+					(item->flags & A_MERGE) ? " MERGE" : "",
+					(item->flags & A_CLRALL) ? " CLRALL" : "",
+					(item->tostate != TPS_Null) ? " tostate " : "",
+					(item->tostate != TPS_Null) ? Actions[item->tostate].state_name : "",
+					(item->type > 0) ? " type " : "",
+					tok_alias[item->type]);
+		}
+#endif
+
+		/* call special handler if exists */
+		if (item->special)
+			item->special(prs);
+
+		/* BINGO, token is found */
+		if (item->flags & A_BINGO)
+		{
+			Assert(item->type > 0);
+			prs->lenbytetoken = prs->state->lenbytetoken;
+			prs->lenchartoken = prs->state->lenchartoken;
+			prs->state->lenbytetoken = prs->state->lenchartoken = 0;
+			prs->type = item->type;
+		}
+
+		/* do various actions by flags */
+		if (item->flags & A_POP)
+		{						/* pop stored state in stack */
+			TParserPosition *ptr = prs->state->prev;
+
+			pfree(prs->state);
+			prs->state = ptr;
+			Assert(prs->state);
+		}
+		else if (item->flags & A_PUSH)
+		{						/* push (store) state in stack */
+			prs->state->pushedAtAction = item;	/* remember where we push */
+			prs->state = newTParserPosition(prs->state);
+		}
+		else if (item->flags & A_CLEAR)
+		{						/* clear previous pushed state */
+			TParserPosition *ptr;
+
+			Assert(prs->state->prev);
+			ptr = prs->state->prev->prev;
+			pfree(prs->state->prev);
+			prs->state->prev = ptr;
+		}
+		else if (item->flags & A_CLRALL)
+		{						/* clear all previous pushed state */
+			TParserPosition *ptr;
+
+			while (prs->state->prev)
+			{
+				ptr = prs->state->prev->prev;
+				pfree(prs->state->prev);
+				prs->state->prev = ptr;
+			}
+		}
+		else if (item->flags & A_MERGE)
+		{						/* merge posinfo with current and pushed state */
+			TParserPosition *ptr = prs->state;
+
+			Assert(prs->state->prev);
+			prs->state = prs->state->prev;
+
+			prs->state->posbyte = ptr->posbyte;
+			prs->state->poschar = ptr->poschar;
+			prs->state->charlen = ptr->charlen;
+			prs->state->lenbytetoken = ptr->lenbytetoken;
+			prs->state->lenchartoken = ptr->lenchartoken;
+			pfree(ptr);
+		}
+
+		/* set new state if pointed */
+		if (item->tostate != TPS_Null)
+			prs->state->state = item->tostate;
+
+		/* check for go away */
+		if ((item->flags & A_BINGO) ||
+			(prs->state->posbyte >= prs->lenstr &&
+			 (item->flags & A_RERUN) == 0))
+			break;
+
+		/* go to beginning of loop if we should rerun or we just restore state */
+		if (item->flags & (A_RERUN | A_POP))
+			continue;
+
+		/* move forward */
+		if (prs->state->charlen)
+		{
+			prs->state->posbyte += prs->state->charlen;
+			prs->state->lenbytetoken += prs->state->charlen;
+			prs->state->poschar++;
+			prs->state->lenchartoken++;
+		}
+	}
+
+	return (item && (item->flags & A_BINGO));
+}
+
+Datum
+prsd_lextype(PG_FUNCTION_ARGS)
+{
+	LexDescr   *descr = (LexDescr *) palloc(sizeof(LexDescr) * (LASTNUM + 1));
+	int			i;
+
+	for (i = 1; i <= LASTNUM; i++)
+	{
+		descr[i - 1].lexid = i;
+		descr[i - 1].alias = pstrdup(tok_alias[i]);
+		descr[i - 1].descr = pstrdup(lex_descr[i]);
+	}
+
+	descr[LASTNUM].lexid = 0;
+
+	PG_RETURN_POINTER(descr);
+}
+
+Datum
+prsd_start(PG_FUNCTION_ARGS)
+{
+	PG_RETURN_POINTER(TParserInit((char *) PG_GETARG_POINTER(0), PG_GETARG_INT32(1)));
+}
+
+Datum
+prsd_nexttoken(PG_FUNCTION_ARGS)
+{
+	TParser    *p = (TParser *) PG_GETARG_POINTER(0);
+	char	  **t = (char **) PG_GETARG_POINTER(1);
+	int		   *tlen = (int *) PG_GETARG_POINTER(2);
+
+	if (!TParserGet(p))
+		PG_RETURN_INT32(0);
+
+	*t = p->token;
+	*tlen = p->lenbytetoken;
+
+	PG_RETURN_INT32(p->type);
+}
+
+Datum
+prsd_end(PG_FUNCTION_ARGS)
+{
+	TParser    *p = (TParser *) PG_GETARG_POINTER(0);
+
+	TParserClose(p);
+	PG_RETURN_VOID();
+}
+
+
+/*
+ * ts_headline support begins here
+ */
+
+/* token type classification macros */
+#define TS_IDIGNORE(x)	( (x)==TAG_T || (x)==PROTOCOL || (x)==SPACE || (x)==XMLENTITY )
+#define HLIDREPLACE(x)	( (x)==TAG_T )
+#define HLIDSKIP(x)		( (x)==URL_T || (x)==NUMHWORD || (x)==ASCIIHWORD || (x)==HWORD )
+#define XMLHLIDSKIP(x)	( (x)==URL_T || (x)==NUMHWORD || (x)==ASCIIHWORD || (x)==HWORD )
+#define NONWORDTOKEN(x) ( (x)==SPACE || HLIDREPLACE(x) || HLIDSKIP(x) )
+#define NOENDTOKEN(x)	( NONWORDTOKEN(x) || (x)==SCIENTIFIC || (x)==VERSIONNUMBER || (x)==DECIMAL_T || (x)==SIGNEDINT || (x)==UNSIGNEDINT || TS_IDIGNORE(x) )
+
+/*
+ * Macros useful in headline selection.  These rely on availability of
+ * "HeadlineParsedText *prs" describing some text, and "int shortword"
+ * describing the "short word" length parameter.
+ */
+
+/* Interesting words are non-repeated search terms */
+#define INTERESTINGWORD(j) \
+	(prs->words[j].item && !prs->words[j].repeated)
+
+/* Don't want to end at a non-word or a short word, unless interesting */
+#define BADENDPOINT(j) \
+	((NOENDTOKEN(prs->words[j].type) || prs->words[j].len <= shortword) && \
+	 !INTERESTINGWORD(j))
+
+typedef struct
+{
+	/* one cover (well, really one fragment) for mark_hl_fragments */
+	int32		startpos;		/* fragment's starting word index */
+	int32		endpos;			/* ending word index (inclusive) */
+	int32		poslen;			/* number of interesting words */
+	int32		curlen;			/* total number of words */
+	bool		chosen;			/* chosen? */
+	bool		excluded;		/* excluded? */
+} CoverPos;
+
+typedef struct
+{
+	/* callback data for checkcondition_HL */
+	HeadlineWordEntry *words;
+	int			len;
+} hlCheck;
+
+
+/*
+ * TS_execute callback for matching a tsquery operand to headline words
+ */
+static TSTernaryValue
+checkcondition_HL(void *opaque, QueryOperand *val, ExecPhraseData *data)
+{
+	hlCheck    *checkval = (hlCheck *) opaque;
+	int			i;
+
+	/* scan words array for marching items */
+	for (i = 0; i < checkval->len; i++)
+	{
+		if (checkval->words[i].item == val)
+		{
+			/* if data == NULL, don't need to report positions */
+			if (!data)
+				return TS_YES;
+
+			if (!data->pos)
+			{
+				data->pos = palloc(sizeof(WordEntryPos) * checkval->len);
+				data->allocated = true;
+				data->npos = 1;
+				data->pos[0] = checkval->words[i].pos;
+			}
+			else if (data->pos[data->npos - 1] < checkval->words[i].pos)
+			{
+				data->pos[data->npos++] = checkval->words[i].pos;
+			}
+		}
+	}
+
+	if (data && data->npos > 0)
+		return TS_YES;
+
+	return TS_NO;
+}
+
+/*
+ * hlFirstIndex: find first index >= pos containing any word used in query
+ *
+ * Returns -1 if no such index
+ */
+static int
+hlFirstIndex(HeadlineParsedText *prs, int pos)
+{
+	int			i;
+
+	for (i = pos; i < prs->curwords; i++)
+	{
+		if (prs->words[i].item != NULL)
+			return i;
+	}
+	return -1;
+}
+
+/*
+ * hlCover: try to find a substring of prs' word list that satisfies query
+ *
+ * At entry, *p must be the first word index to consider (initialize this
+ * to zero, or to the next index after a previous successful search).
+ * We will consider all substrings starting at or after that word, and
+ * containing no more than max_cover words.  (We need a length limit to
+ * keep this from taking O(N^2) time for a long document with many query
+ * words but few complete matches.  Actually, since checkcondition_HL is
+ * roughly O(N) in the length of the substring being checked, it's even
+ * worse than that.)
+ *
+ * On success, sets *p to first word index and *q to last word index of the
+ * cover substring, and returns true.
+ *
+ * The result is a minimal cover, in the sense that both *p and *q will be
+ * words used in the query.
+ */
+static bool
+hlCover(HeadlineParsedText *prs, TSQuery query, int max_cover,
+		int *p, int *q)
+{
+	int			pmin,
+				pmax,
+				nextpmin,
+				nextpmax;
+	hlCheck		ch;
+
+	if (query->size <= 0)
+		return false;			/* empty query matches nothing */
+
+	/*
+	 * We look for the earliest, shortest substring of prs->words that
+	 * satisfies the query.  Both the pmin and pmax indices must be words
+	 * appearing in the query; there's no point in trying endpoints in between
+	 * such points.
+	 */
+	pmin = hlFirstIndex(prs, *p);
+	while (pmin >= 0)
+	{
+		/* This useless assignment just keeps stupider compilers quiet */
+		nextpmin = -1;
+		/* Consider substrings starting at pmin */
+		ch.words = &(prs->words[pmin]);
+		/* Consider the length-one substring first, then longer substrings */
+		pmax = pmin;
+		do
+		{
+			/* Try to match query against pmin .. pmax substring */
+			ch.len = pmax - pmin + 1;
+			if (TS_execute(GETQUERY(query), &ch,
+						   TS_EXEC_EMPTY, checkcondition_HL))
+			{
+				*p = pmin;
+				*q = pmax;
+				return true;
+			}
+			/* Nope, so advance pmax to next feasible endpoint */
+			nextpmax = hlFirstIndex(prs, pmax + 1);
+
+			/*
+			 * If this is our first advance past pmin, then the result is also
+			 * the next feasible value of pmin; remember it to save a
+			 * redundant search.
+			 */
+			if (pmax == pmin)
+				nextpmin = nextpmax;
+			pmax = nextpmax;
+		}
+		while (pmax >= 0 && pmax - pmin < max_cover);
+		/* No luck here, so try next feasible startpoint */
+		pmin = nextpmin;
+	}
+	return false;
+}
+
+/*
+ * Apply suitable highlight marking to words selected by headline selector
+ *
+ * The words from startpos to endpos inclusive are marked per highlightall
+ */
+static void
+mark_fragment(HeadlineParsedText *prs, bool highlightall,
+			  int startpos, int endpos)
+{
+	int			i;
+
+	for (i = startpos; i <= endpos; i++)
+	{
+		if (prs->words[i].item)
+			prs->words[i].selected = 1;
+		if (!highlightall)
+		{
+			if (HLIDREPLACE(prs->words[i].type))
+				prs->words[i].replace = 1;
+			else if (HLIDSKIP(prs->words[i].type))
+				prs->words[i].skip = 1;
+		}
+		else
+		{
+			if (XMLHLIDSKIP(prs->words[i].type))
+				prs->words[i].skip = 1;
+		}
+
+		prs->words[i].in = (prs->words[i].repeated) ? 0 : 1;
+	}
+}
+
+/*
+ * split a cover substring into fragments not longer than max_words
+ *
+ * At entry, *startpos and *endpos are the (remaining) bounds of the cover
+ * substring.  They are updated to hold the bounds of the next fragment.
+ *
+ * *curlen and *poslen are set to the fragment's length, in words and
+ * interesting words respectively.
+ */
+static void
+get_next_fragment(HeadlineParsedText *prs, int *startpos, int *endpos,
+				  int *curlen, int *poslen, int max_words)
+{
+	int			i;
+
+	/*
+	 * Objective: select a fragment of words between startpos and endpos such
+	 * that it has at most max_words and both ends have query words. If the
+	 * startpos and endpos are the endpoints of the cover and the cover has
+	 * fewer words than max_words, then this function should just return the
+	 * cover
+	 */
+	/* first move startpos to an item */
+	for (i = *startpos; i <= *endpos; i++)
+	{
+		*startpos = i;
+		if (INTERESTINGWORD(i))
+			break;
+	}
+	/* cut endpos to have only max_words */
+	*curlen = 0;
+	*poslen = 0;
+	for (i = *startpos; i <= *endpos && *curlen < max_words; i++)
+	{
+		if (!NONWORDTOKEN(prs->words[i].type))
+			*curlen += 1;
+		if (INTERESTINGWORD(i))
+			*poslen += 1;
+	}
+	/* if the cover was cut then move back endpos to a query item */
+	if (*endpos > i)
+	{
+		*endpos = i;
+		for (i = *endpos; i >= *startpos; i--)
+		{
+			*endpos = i;
+			if (INTERESTINGWORD(i))
+				break;
+			if (!NONWORDTOKEN(prs->words[i].type))
+				*curlen -= 1;
+		}
+	}
+}
+
+/*
+ * Headline selector used when MaxFragments > 0
+ *
+ * Note: in this mode, highlightall is disregarded for phrase selection;
+ * it only controls presentation details.
+ */
+static void
+mark_hl_fragments(HeadlineParsedText *prs, TSQuery query, bool highlightall,
+				  int shortword, int min_words,
+				  int max_words, int max_fragments, int max_cover)
+{
+	int32		poslen,
+				curlen,
+				i,
+				f,
+				num_f = 0;
+	int32		stretch,
+				maxstretch,
+				posmarker;
+
+	int32		startpos = 0,
+				endpos = 0,
+				p = 0,
+				q = 0;
+
+	int32		numcovers = 0,
+				maxcovers = 32;
+
+	int32		minI,
+				minwords,
+				maxitems;
+	CoverPos   *covers;
+
+	covers = palloc(maxcovers * sizeof(CoverPos));
+
+	/* get all covers */
+	while (hlCover(prs, query, max_cover, &p, &q))
+	{
+		startpos = p;
+		endpos = q;
+
+		/*
+		 * Break the cover into smaller fragments such that each fragment has
+		 * at most max_words. Also ensure that each end of each fragment is a
+		 * query word. This will allow us to stretch the fragment in either
+		 * direction
+		 */
+
+		while (startpos <= endpos)
+		{
+			get_next_fragment(prs, &startpos, &endpos, &curlen, &poslen, max_words);
+			if (numcovers >= maxcovers)
+			{
+				maxcovers *= 2;
+				covers = repalloc(covers, sizeof(CoverPos) * maxcovers);
+			}
+			covers[numcovers].startpos = startpos;
+			covers[numcovers].endpos = endpos;
+			covers[numcovers].curlen = curlen;
+			covers[numcovers].poslen = poslen;
+			covers[numcovers].chosen = false;
+			covers[numcovers].excluded = false;
+			numcovers++;
+			startpos = endpos + 1;
+			endpos = q;
+		}
+
+		/* move p to generate the next cover */
+		p++;
+	}
+
+	/* choose best covers */
+	for (f = 0; f < max_fragments; f++)
+	{
+		maxitems = 0;
+		minwords = PG_INT32_MAX;
+		minI = -1;
+
+		/*
+		 * Choose the cover that contains max items. In case of tie choose the
+		 * one with smaller number of words.
+		 */
+		for (i = 0; i < numcovers; i++)
+		{
+			if (!covers[i].chosen && !covers[i].excluded &&
+				(maxitems < covers[i].poslen ||
+				 (maxitems == covers[i].poslen &&
+				  minwords > covers[i].curlen)))
+			{
+				maxitems = covers[i].poslen;
+				minwords = covers[i].curlen;
+				minI = i;
+			}
+		}
+		/* if a cover was found mark it */
+		if (minI >= 0)
+		{
+			covers[minI].chosen = true;
+			/* adjust the size of cover */
+			startpos = covers[minI].startpos;
+			endpos = covers[minI].endpos;
+			curlen = covers[minI].curlen;
+			/* stretch the cover if cover size is lower than max_words */
+			if (curlen < max_words)
+			{
+				/* divide the stretch on both sides of cover */
+				maxstretch = (max_words - curlen) / 2;
+
+				/*
+				 * first stretch the startpos stop stretching if 1. we hit the
+				 * beginning of document 2. exceed maxstretch 3. we hit an
+				 * already marked fragment
+				 */
+				stretch = 0;
+				posmarker = startpos;
+				for (i = startpos - 1; i >= 0 && stretch < maxstretch && !prs->words[i].in; i--)
+				{
+					if (!NONWORDTOKEN(prs->words[i].type))
+					{
+						curlen++;
+						stretch++;
+					}
+					posmarker = i;
+				}
+				/* cut back startpos till we find a good endpoint */
+				for (i = posmarker; i < startpos && BADENDPOINT(i); i++)
+				{
+					if (!NONWORDTOKEN(prs->words[i].type))
+						curlen--;
+				}
+				startpos = i;
+				/* now stretch the endpos as much as possible */
+				posmarker = endpos;
+				for (i = endpos + 1; i < prs->curwords && curlen < max_words && !prs->words[i].in; i++)
+				{
+					if (!NONWORDTOKEN(prs->words[i].type))
+						curlen++;
+					posmarker = i;
+				}
+				/* cut back endpos till we find a good endpoint */
+				for (i = posmarker; i > endpos && BADENDPOINT(i); i--)
+				{
+					if (!NONWORDTOKEN(prs->words[i].type))
+						curlen--;
+				}
+				endpos = i;
+			}
+			covers[minI].startpos = startpos;
+			covers[minI].endpos = endpos;
+			covers[minI].curlen = curlen;
+			/* Mark the chosen fragments (covers) */
+			mark_fragment(prs, highlightall, startpos, endpos);
+			num_f++;
+			/* Exclude covers overlapping this one from future consideration */
+			for (i = 0; i < numcovers; i++)
+			{
+				if (i != minI &&
+					((covers[i].startpos >= startpos &&
+					  covers[i].startpos <= endpos) ||
+					 (covers[i].endpos >= startpos &&
+					  covers[i].endpos <= endpos) ||
+					 (covers[i].startpos < startpos &&
+					  covers[i].endpos > endpos)))
+					covers[i].excluded = true;
+			}
+		}
+		else
+			break;				/* no selectable covers remain */
+	}
+
+	/* show the first min_words words if we have not marked anything */
+	if (num_f <= 0)
+	{
+		startpos = curlen = 0;
+		endpos = -1;
+		for (i = 0; i < prs->curwords && curlen < min_words; i++)
+		{
+			if (!NONWORDTOKEN(prs->words[i].type))
+				curlen++;
+			endpos = i;
+		}
+		mark_fragment(prs, highlightall, startpos, endpos);
+	}
+
+	pfree(covers);
+}
+
+/*
+ * Headline selector used when MaxFragments == 0
+ */
+static void
+mark_hl_words(HeadlineParsedText *prs, TSQuery query, bool highlightall,
+			  int shortword, int min_words, int max_words, int max_cover)
+{
+	int			p = 0,
+				q = 0;
+	int			bestb = -1,
+				beste = -1;
+	int			bestlen = -1;
+	bool		bestcover = false;
+	int			pose,
+				posb,
+				poslen,
+				curlen;
+	bool		poscover;
+	int			i;
+
+	if (!highlightall)
+	{
+		/* examine all covers, select a headline using the best one */
+		while (hlCover(prs, query, max_cover, &p, &q))
+		{
+			/*
+			 * Count words (curlen) and interesting words (poslen) within
+			 * cover, but stop once we reach max_words.  This step doesn't
+			 * consider whether that's a good stopping point.  posb and pose
+			 * are set to the start and end indexes of the possible headline.
+			 */
+			curlen = 0;
+			poslen = 0;
+			posb = pose = p;
+			for (i = p; i <= q && curlen < max_words; i++)
+			{
+				if (!NONWORDTOKEN(prs->words[i].type))
+					curlen++;
+				if (INTERESTINGWORD(i))
+					poslen++;
+				pose = i;
+			}
+
+			if (curlen < max_words)
+			{
+				/*
+				 * We have room to lengthen the headline, so search forward
+				 * until it's full or we find a good stopping point.  We'll
+				 * reconsider the word at "q", then move forward.
+				 */
+				for (i = i - 1; i < prs->curwords && curlen < max_words; i++)
+				{
+					if (i > q)
+					{
+						if (!NONWORDTOKEN(prs->words[i].type))
+							curlen++;
+						if (INTERESTINGWORD(i))
+							poslen++;
+					}
+					pose = i;
+					if (BADENDPOINT(i))
+						continue;
+					if (curlen >= min_words)
+						break;
+				}
+				if (curlen < min_words)
+				{
+					/*
+					 * Reached end of text and our headline is still shorter
+					 * than min_words, so try to extend it to the left.
+					 */
+					for (i = p - 1; i >= 0; i--)
+					{
+						if (!NONWORDTOKEN(prs->words[i].type))
+							curlen++;
+						if (INTERESTINGWORD(i))
+							poslen++;
+						if (curlen >= max_words)
+							break;
+						if (BADENDPOINT(i))
+							continue;
+						if (curlen >= min_words)
+							break;
+					}
+					posb = (i >= 0) ? i : 0;
+				}
+			}
+			else
+			{
+				/*
+				 * Can't make headline longer, so consider making it shorter
+				 * if needed to avoid a bad endpoint.
+				 */
+				if (i > q)
+					i = q;
+				for (; curlen > min_words; i--)
+				{
+					if (!BADENDPOINT(i))
+						break;
+					if (!NONWORDTOKEN(prs->words[i].type))
+						curlen--;
+					if (INTERESTINGWORD(i))
+						poslen--;
+					pose = i - 1;
+				}
+			}
+
+			/*
+			 * Check whether the proposed headline includes the original
+			 * cover; it might not if we trimmed it due to max_words.
+			 */
+			poscover = (posb <= p && pose >= q);
+
+			/*
+			 * Adopt this headline if it's better than the last one, giving
+			 * highest priority to headlines including the cover, then to
+			 * headlines with more interesting words, then to headlines with
+			 * good stopping points.  (Since bestlen is initially -1, we will
+			 * certainly adopt the first headline.)
+			 */
+			if (poscover > bestcover ||
+				(poscover == bestcover && poslen > bestlen) ||
+				(poscover == bestcover && poslen == bestlen &&
+				 !BADENDPOINT(pose) && BADENDPOINT(beste)))
+			{
+				bestb = posb;
+				beste = pose;
+				bestlen = poslen;
+				bestcover = poscover;
+			}
+
+			/* move p to generate the next cover */
+			p++;
+		}
+
+		/*
+		 * If we found nothing acceptable, select min_words words starting at
+		 * the beginning.
+		 */
+		if (bestlen < 0)
+		{
+			curlen = 0;
+			pose = -1;
+			for (i = 0; i < prs->curwords && curlen < min_words; i++)
+			{
+				if (!NONWORDTOKEN(prs->words[i].type))
+					curlen++;
+				pose = i;
+			}
+			bestb = 0;
+			beste = pose;
+		}
+	}
+	else
+	{
+		/* highlightall mode: headline is whole document */
+		bestb = 0;
+		beste = prs->curwords - 1;
+	}
+
+	mark_fragment(prs, highlightall, bestb, beste);
+}
+
+/*
+ * Default parser's prsheadline function
+ */
+Datum
+prsd_headline(PG_FUNCTION_ARGS)
+{
+	HeadlineParsedText *prs = (HeadlineParsedText *) PG_GETARG_POINTER(0);
+	List	   *prsoptions = (List *) PG_GETARG_POINTER(1);
+	TSQuery		query = PG_GETARG_TSQUERY(2);
+
+	/* default option values: */
+	int			min_words = 15;
+	int			max_words = 35;
+	int			shortword = 3;
+	int			max_fragments = 0;
+	bool		highlightall = false;
+	int			max_cover;
+	ListCell   *l;
+
+	/* Extract configuration option values */
+	prs->startsel = NULL;
+	prs->stopsel = NULL;
+	prs->fragdelim = NULL;
+	foreach(l, prsoptions)
+	{
+		DefElem    *defel = (DefElem *) lfirst(l);
+		char	   *val = defGetString(defel);
+
+		if (pg_strcasecmp(defel->defname, "MaxWords") == 0)
+			max_words = pg_strtoint32(val);
+		else if (pg_strcasecmp(defel->defname, "MinWords") == 0)
+			min_words = pg_strtoint32(val);
+		else if (pg_strcasecmp(defel->defname, "ShortWord") == 0)
+			shortword = pg_strtoint32(val);
+		else if (pg_strcasecmp(defel->defname, "MaxFragments") == 0)
+			max_fragments = pg_strtoint32(val);
+		else if (pg_strcasecmp(defel->defname, "StartSel") == 0)
+			prs->startsel = pstrdup(val);
+		else if (pg_strcasecmp(defel->defname, "StopSel") == 0)
+			prs->stopsel = pstrdup(val);
+		else if (pg_strcasecmp(defel->defname, "FragmentDelimiter") == 0)
+			prs->fragdelim = pstrdup(val);
+		else if (pg_strcasecmp(defel->defname, "HighlightAll") == 0)
+			highlightall = (pg_strcasecmp(val, "1") == 0 ||
+							pg_strcasecmp(val, "on") == 0 ||
+							pg_strcasecmp(val, "true") == 0 ||
+							pg_strcasecmp(val, "t") == 0 ||
+							pg_strcasecmp(val, "y") == 0 ||
+							pg_strcasecmp(val, "yes") == 0);
+		else
+			ereport(ERROR,
+					(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+					 errmsg("unrecognized headline parameter: \"%s\"",
+							defel->defname)));
+	}
+
+	/*
+	 * We might eventually make max_cover a user-settable parameter, but for
+	 * now, just compute a reasonable value based on max_words and
+	 * max_fragments.
+	 */
+	max_cover = Max(max_words * 10, 100);
+	if (max_fragments > 0)
+		max_cover *= max_fragments;
+
+	/* in HighlightAll mode these parameters are ignored */
+	if (!highlightall)
+	{
+		if (min_words >= max_words)
+			ereport(ERROR,
+					(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+					 errmsg("MinWords should be less than MaxWords")));
+		if (min_words <= 0)
+			ereport(ERROR,
+					(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+					 errmsg("MinWords should be positive")));
+		if (shortword < 0)
+			ereport(ERROR,
+					(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+					 errmsg("ShortWord should be >= 0")));
+		if (max_fragments < 0)
+			ereport(ERROR,
+					(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
+					 errmsg("MaxFragments should be >= 0")));
+	}
+
+	/* Apply appropriate headline selector */
+	if (max_fragments == 0)
+		mark_hl_words(prs, query, highlightall, shortword,
+					  min_words, max_words, max_cover);
+	else
+		mark_hl_fragments(prs, query, highlightall, shortword,
+						  min_words, max_words, max_fragments, max_cover);
+
+	/* Fill in default values for string options */
+	if (!prs->startsel)
+		prs->startsel = pstrdup("<b>");
+	if (!prs->stopsel)
+		prs->stopsel = pstrdup("</b>");
+	if (!prs->fragdelim)
+		prs->fragdelim = pstrdup(" ... ");
+
+	/* Caller will need these lengths, too */
+	prs->startsellen = strlen(prs->startsel);
+	prs->stopsellen = strlen(prs->stopsel);
+	prs->fragdelimlen = strlen(prs->fragdelim);
+
+	PG_RETURN_POINTER(prs);
+}