--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/joni/Syntax.java	2020-04-15 18:51:46.000000000 +0530
+++ /dev/null	2020-04-15 18:51:46.000000000 +0530
@@ -1,627 +0,0 @@
-/*
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is furnished to do
- * so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-package jdk.nashorn.internal.runtime.regexp.joni;
-
-import static jdk.nashorn.internal.runtime.regexp.joni.constants.MetaChar.INEFFECTIVE_META_CHAR;
-import jdk.nashorn.internal.runtime.regexp.joni.constants.SyntaxProperties;
-
-@SuppressWarnings("javadoc")
-public final class Syntax implements SyntaxProperties {
-    private final int op;
-    private final int op2;
-    private final int behavior;
-    public final int options;
-    public final MetaCharTable metaCharTable;
-
-    public Syntax(final int op, final int op2, final int behavior, final int options, final MetaCharTable metaCharTable) {
-        this.op = op;
-        this.op2 = op2;
-        this.behavior = behavior;
-        this.options = options;
-        this.metaCharTable = metaCharTable;
-    }
-
-    public static class MetaCharTable {
-        public final int esc;
-        public final int anyChar;
-        public final int anyTime;
-        public final int zeroOrOneTime;
-        public final int oneOrMoreTime;
-        public final int anyCharAnyTime;
-
-        public MetaCharTable(final int esc, final int anyChar, final int anyTime,
-                             final int zeroOrOneTime, final int oneOrMoreTime, final int anyCharAnyTime) {
-            this.esc = esc;
-            this.anyChar = anyChar;
-            this.anyTime = anyTime;
-            this.zeroOrOneTime = zeroOrOneTime;
-            this.oneOrMoreTime = oneOrMoreTime;
-            this.anyCharAnyTime = anyCharAnyTime;
-        }
-    }
-
-    //
-    // OP
-    //
-
-    protected boolean isOp(final int opm) {
-        return (op & opm) != 0;
-    }
-
-    public boolean opVariableMetaCharacters() {
-        return isOp(OP_VARIABLE_META_CHARACTERS);
-    }
-
-    public boolean opDotAnyChar() {
-        return isOp(OP_DOT_ANYCHAR);
-    }
-
-    public boolean opAsteriskZeroInf() {
-        return isOp(OP_ASTERISK_ZERO_INF);
-    }
-
-    public boolean opEscAsteriskZeroInf() {
-        return isOp(OP_ESC_ASTERISK_ZERO_INF);
-    }
-
-    public boolean opPlusOneInf() {
-        return isOp(OP_PLUS_ONE_INF);
-    }
-
-    public boolean opEscPlusOneInf() {
-        return isOp(OP_ESC_PLUS_ONE_INF);
-    }
-
-    public boolean opQMarkZeroOne() {
-        return isOp(OP_QMARK_ZERO_ONE);
-    }
-
-    public boolean opEscQMarkZeroOne() {
-        return isOp(OP_ESC_QMARK_ZERO_ONE);
-    }
-
-    public boolean opBraceInterval() {
-        return isOp(OP_BRACE_INTERVAL);
-    }
-
-    public boolean opEscBraceInterval() {
-        return isOp(OP_ESC_BRACE_INTERVAL);
-    }
-
-    public boolean opVBarAlt() {
-        return isOp(OP_VBAR_ALT);
-    }
-
-    public boolean opEscVBarAlt() {
-        return isOp(OP_ESC_VBAR_ALT);
-    }
-
-    public boolean opLParenSubexp() {
-        return isOp(OP_LPAREN_SUBEXP);
-    }
-
-    public boolean opEscLParenSubexp() {
-        return isOp(OP_ESC_LPAREN_SUBEXP);
-    }
-
-    public boolean opEscAZBufAnchor() {
-        return isOp(OP_ESC_AZ_BUF_ANCHOR);
-    }
-
-    public boolean opEscCapitalGBeginAnchor() {
-        return isOp(OP_ESC_CAPITAL_G_BEGIN_ANCHOR);
-    }
-
-    public boolean opDecimalBackref() {
-        return isOp(OP_DECIMAL_BACKREF);
-    }
-
-    public boolean opBracketCC() {
-        return isOp(OP_BRACKET_CC);
-    }
-
-    public boolean opEscWWord() {
-        return isOp(OP_ESC_W_WORD);
-    }
-
-    public boolean opEscLtGtWordBeginEnd() {
-        return isOp(OP_ESC_LTGT_WORD_BEGIN_END);
-    }
-
-    public boolean opEscBWordBound() {
-        return isOp(OP_ESC_B_WORD_BOUND);
-    }
-
-    public boolean opEscSWhiteSpace() {
-        return isOp(OP_ESC_S_WHITE_SPACE);
-    }
-
-    public boolean opEscDDigit() {
-        return isOp(OP_ESC_D_DIGIT);
-    }
-
-    public boolean opLineAnchor() {
-        return isOp(OP_LINE_ANCHOR);
-    }
-
-    public boolean opPosixBracket() {
-        return isOp(OP_POSIX_BRACKET);
-    }
-
-    public boolean opQMarkNonGreedy() {
-        return isOp(OP_QMARK_NON_GREEDY);
-    }
-
-    public boolean opEscControlChars() {
-        return isOp(OP_ESC_CONTROL_CHARS);
-    }
-
-    public boolean opEscCControl() {
-        return isOp(OP_ESC_C_CONTROL);
-    }
-
-    public boolean opEscOctal3() {
-        return isOp(OP_ESC_OCTAL3);
-    }
-
-    public boolean opEscXHex2() {
-        return isOp(OP_ESC_X_HEX2);
-    }
-
-    public boolean opEscXBraceHex8() {
-        return isOp(OP_ESC_X_BRACE_HEX8);
-    }
-
-    //
-    // OP2
-    //
-
-    protected boolean isOp2(final int opm) {
-        return (op2 & opm) != 0;
-    }
-
-    public boolean op2EscCapitalQQuote() {
-        return isOp2(OP2_ESC_CAPITAL_Q_QUOTE);
-    }
-
-    public boolean op2QMarkGroupEffect() {
-        return isOp2(OP2_QMARK_GROUP_EFFECT);
-    }
-
-    public boolean op2OptionPerl() {
-        return isOp2(OP2_OPTION_PERL);
-    }
-
-    public boolean op2OptionRuby() {
-        return isOp2(OP2_OPTION_RUBY);
-    }
-
-    public boolean op2PlusPossessiveRepeat() {
-        return isOp2(OP2_PLUS_POSSESSIVE_REPEAT);
-    }
-
-    public boolean op2PlusPossessiveInterval() {
-        return isOp2(OP2_PLUS_POSSESSIVE_INTERVAL);
-    }
-
-    public boolean op2CClassSetOp() {
-        return isOp2(OP2_CCLASS_SET_OP);
-    }
-
-    public boolean op2QMarkLtNamedGroup() {
-        return isOp2(OP2_QMARK_LT_NAMED_GROUP);
-    }
-
-    public boolean op2EscKNamedBackref() {
-        return isOp2(OP2_ESC_K_NAMED_BACKREF);
-    }
-
-    public boolean op2EscGSubexpCall() {
-        return isOp2(OP2_ESC_G_SUBEXP_CALL);
-    }
-
-    public boolean op2AtMarkCaptureHistory() {
-        return isOp2(OP2_ATMARK_CAPTURE_HISTORY);
-    }
-
-    public boolean op2EscCapitalCBarControl() {
-        return isOp2(OP2_ESC_CAPITAL_C_BAR_CONTROL);
-    }
-
-    public boolean op2EscCapitalMBarMeta() {
-        return isOp2(OP2_ESC_CAPITAL_M_BAR_META);
-    }
-
-    public boolean op2EscVVtab() {
-        return isOp2(OP2_ESC_V_VTAB);
-    }
-
-    public boolean op2EscUHex4() {
-        return isOp2(OP2_ESC_U_HEX4);
-    }
-
-    public boolean op2EscGnuBufAnchor() {
-        return isOp2(OP2_ESC_GNU_BUF_ANCHOR);
-    }
-
-    public boolean op2EscPBraceCharProperty() {
-        return isOp2(OP2_ESC_P_BRACE_CHAR_PROPERTY);
-    }
-
-    public boolean op2EscPBraceCircumflexNot() {
-        return isOp2(OP2_ESC_P_BRACE_CIRCUMFLEX_NOT);
-    }
-
-    public boolean op2EscHXDigit() {
-        return isOp2(OP2_ESC_H_XDIGIT);
-    }
-
-    public boolean op2IneffectiveEscape() {
-        return isOp2(OP2_INEFFECTIVE_ESCAPE);
-    }
-
-    //
-    // BEHAVIOR
-    //
-
-    protected boolean isBehavior(final int bvm) {
-        return (behavior & bvm) != 0;
-    }
-
-    public boolean contextIndepRepeatOps() {
-        return isBehavior(CONTEXT_INDEP_REPEAT_OPS);
-    }
-
-    public boolean contextInvalidRepeatOps() {
-        return isBehavior(CONTEXT_INVALID_REPEAT_OPS);
-    }
-
-    public boolean allowUnmatchedCloseSubexp() {
-        return isBehavior(ALLOW_UNMATCHED_CLOSE_SUBEXP);
-    }
-
-    public boolean allowInvalidInterval() {
-        return isBehavior(ALLOW_INVALID_INTERVAL);
-    }
-
-    public boolean allowIntervalLowAbbrev() {
-        return isBehavior(ALLOW_INTERVAL_LOW_ABBREV);
-    }
-
-    public boolean strictCheckBackref() {
-        return isBehavior(STRICT_CHECK_BACKREF);
-    }
-
-    public boolean differentLengthAltLookBehind() {
-        return isBehavior(DIFFERENT_LEN_ALT_LOOK_BEHIND);
-    }
-
-    public boolean captureOnlyNamedGroup() {
-        return isBehavior(CAPTURE_ONLY_NAMED_GROUP);
-    }
-
-    public boolean allowMultiplexDefinitionName() {
-        return isBehavior(ALLOW_MULTIPLEX_DEFINITION_NAME);
-    }
-
-    public boolean fixedIntervalIsGreedyOnly() {
-        return isBehavior(FIXED_INTERVAL_IS_GREEDY_ONLY);
-    }
-
-
-    public boolean notNewlineInNegativeCC() {
-        return isBehavior(NOT_NEWLINE_IN_NEGATIVE_CC);
-    }
-
-    public boolean backSlashEscapeInCC() {
-        return isBehavior(BACKSLASH_ESCAPE_IN_CC);
-    }
-
-    public boolean allowEmptyRangeInCC() {
-        return isBehavior(ALLOW_EMPTY_RANGE_IN_CC);
-    }
-
-    public boolean allowDoubleRangeOpInCC() {
-        return isBehavior(ALLOW_DOUBLE_RANGE_OP_IN_CC);
-    }
-
-    public boolean warnCCOpNotEscaped() {
-        return isBehavior(WARN_CC_OP_NOT_ESCAPED);
-    }
-
-    public boolean warnReduntantNestedRepeat() {
-        return isBehavior(WARN_REDUNDANT_NESTED_REPEAT);
-    }
-
-    public static final Syntax RUBY = new Syntax(
-        (( GNU_REGEX_OP | OP_QMARK_NON_GREEDY |
-        OP_ESC_OCTAL3 | OP_ESC_X_HEX2 |
-        OP_ESC_X_BRACE_HEX8 | OP_ESC_CONTROL_CHARS |
-        OP_ESC_C_CONTROL )
-        & ~OP_ESC_LTGT_WORD_BEGIN_END ),
-
-        ( OP2_QMARK_GROUP_EFFECT |
-        OP2_OPTION_RUBY |
-        OP2_QMARK_LT_NAMED_GROUP | OP2_ESC_K_NAMED_BACKREF |
-        OP2_ESC_G_SUBEXP_CALL |
-        OP2_ESC_P_BRACE_CHAR_PROPERTY  |
-        OP2_ESC_P_BRACE_CIRCUMFLEX_NOT |
-        OP2_PLUS_POSSESSIVE_REPEAT |
-        OP2_CCLASS_SET_OP | OP2_ESC_CAPITAL_C_BAR_CONTROL |
-        OP2_ESC_CAPITAL_M_BAR_META | OP2_ESC_V_VTAB |
-        OP2_ESC_H_XDIGIT ),
-
-        ( GNU_REGEX_BV |
-        ALLOW_INTERVAL_LOW_ABBREV |
-        DIFFERENT_LEN_ALT_LOOK_BEHIND |
-        CAPTURE_ONLY_NAMED_GROUP |
-        ALLOW_MULTIPLEX_DEFINITION_NAME |
-        FIXED_INTERVAL_IS_GREEDY_ONLY |
-        WARN_CC_OP_NOT_ESCAPED |
-        WARN_REDUNDANT_NESTED_REPEAT ),
-
-        Option.NONE,
-
-        new MetaCharTable(
-            '\\',                           /* esc */
-            INEFFECTIVE_META_CHAR,          /* anychar '.' */
-            INEFFECTIVE_META_CHAR,          /* anytime '*' */
-            INEFFECTIVE_META_CHAR,          /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,          /* one or more time '+' */
-            INEFFECTIVE_META_CHAR           /* anychar anytime */
-        )
-    );
-
-    public static final Syntax DEFAULT = RUBY;
-
-    public static final Syntax ASIS = new Syntax(
-        0,
-
-        OP2_INEFFECTIVE_ESCAPE,
-
-        0,
-
-        Option.NONE,
-
-        new MetaCharTable(
-            '\\',                          /* esc */
-            INEFFECTIVE_META_CHAR,         /* anychar '.' */
-            INEFFECTIVE_META_CHAR,         /* anytime '*' */
-            INEFFECTIVE_META_CHAR,         /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,         /* one or more time '+' */
-            INEFFECTIVE_META_CHAR          /* anychar anytime */
-        )
-    );
-
-    public static final Syntax PosixBasic = new Syntax(
-        (POSIX_COMMON_OP | OP_ESC_LPAREN_SUBEXP |
-        OP_ESC_BRACE_INTERVAL ),
-
-        0,
-
-        0,
-
-        ( Option.SINGLELINE | Option.MULTILINE ),
-
-        new MetaCharTable(
-            '\\',                          /* esc */
-            INEFFECTIVE_META_CHAR,         /* anychar '.' */
-            INEFFECTIVE_META_CHAR,         /* anytime '*' */
-            INEFFECTIVE_META_CHAR,         /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,         /* one or more time '+' */
-            INEFFECTIVE_META_CHAR          /* anychar anytime */
-        )
-    );
-
-    public static final Syntax PosixExtended = new Syntax(
-        ( POSIX_COMMON_OP | OP_LPAREN_SUBEXP |
-        OP_BRACE_INTERVAL |
-        OP_PLUS_ONE_INF | OP_QMARK_ZERO_ONE |OP_VBAR_ALT ),
-
-        0,
-
-        ( CONTEXT_INDEP_ANCHORS |
-        CONTEXT_INDEP_REPEAT_OPS | CONTEXT_INVALID_REPEAT_OPS |
-        ALLOW_UNMATCHED_CLOSE_SUBEXP |
-        ALLOW_DOUBLE_RANGE_OP_IN_CC ),
-
-        ( Option.SINGLELINE | Option.MULTILINE ),
-
-        new MetaCharTable(
-            '\\',                          /* esc */
-            INEFFECTIVE_META_CHAR,         /* anychar '.' */
-            INEFFECTIVE_META_CHAR,         /* anytime '*' */
-            INEFFECTIVE_META_CHAR,         /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,         /* one or more time '+' */
-            INEFFECTIVE_META_CHAR          /* anychar anytime */
-        )
-    );
-
-    public static final Syntax Emacs = new Syntax(
-        ( OP_DOT_ANYCHAR | OP_BRACKET_CC |
-        OP_ESC_BRACE_INTERVAL |
-        OP_ESC_LPAREN_SUBEXP | OP_ESC_VBAR_ALT |
-        OP_ASTERISK_ZERO_INF | OP_PLUS_ONE_INF |
-        OP_QMARK_ZERO_ONE | OP_DECIMAL_BACKREF |
-        OP_LINE_ANCHOR | OP_ESC_CONTROL_CHARS ),
-
-        OP2_ESC_GNU_BUF_ANCHOR,
-
-        ALLOW_EMPTY_RANGE_IN_CC,
-
-        Option.NONE,
-
-        new MetaCharTable(
-            '\\',                          /* esc */
-            INEFFECTIVE_META_CHAR,         /* anychar '.' */
-            INEFFECTIVE_META_CHAR,         /* anytime '*' */
-            INEFFECTIVE_META_CHAR,         /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,         /* one or more time '+' */
-            INEFFECTIVE_META_CHAR          /* anychar anytime */
-        )
-    );
-
-    public static final Syntax Grep = new Syntax(
-        ( OP_DOT_ANYCHAR | OP_BRACKET_CC | OP_POSIX_BRACKET |
-        OP_ESC_BRACE_INTERVAL | OP_ESC_LPAREN_SUBEXP |
-        OP_ESC_VBAR_ALT |
-        OP_ASTERISK_ZERO_INF | OP_ESC_PLUS_ONE_INF |
-        OP_ESC_QMARK_ZERO_ONE | OP_LINE_ANCHOR |
-        OP_ESC_W_WORD | OP_ESC_B_WORD_BOUND |
-        OP_ESC_LTGT_WORD_BEGIN_END | OP_DECIMAL_BACKREF ),
-
-        0,
-
-        ( ALLOW_EMPTY_RANGE_IN_CC | NOT_NEWLINE_IN_NEGATIVE_CC ),
-
-        Option.NONE,
-
-        new MetaCharTable(
-            '\\',                          /* esc */
-            INEFFECTIVE_META_CHAR,         /* anychar '.' */
-            INEFFECTIVE_META_CHAR,         /* anytime '*' */
-            INEFFECTIVE_META_CHAR,         /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,         /* one or more time '+' */
-            INEFFECTIVE_META_CHAR          /* anychar anytime */
-        )
-    );
-
-    public static final Syntax GnuRegex = new Syntax(
-        GNU_REGEX_OP,
-        0,
-        GNU_REGEX_BV,
-
-        Option.NONE,
-
-        new MetaCharTable(
-            '\\',                          /* esc */
-            INEFFECTIVE_META_CHAR,         /* anychar '.' */
-            INEFFECTIVE_META_CHAR,         /* anytime '*' */
-            INEFFECTIVE_META_CHAR,         /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,         /* one or more time '+' */
-            INEFFECTIVE_META_CHAR          /* anychar anytime */
-        )
-    );
-
-    public static final Syntax Java = new Syntax(
-        (( GNU_REGEX_OP | OP_QMARK_NON_GREEDY |
-        OP_ESC_CONTROL_CHARS | OP_ESC_C_CONTROL |
-        OP_ESC_OCTAL3 | OP_ESC_X_HEX2 )
-        & ~OP_ESC_LTGT_WORD_BEGIN_END ),
-
-        ( OP2_ESC_CAPITAL_Q_QUOTE | OP2_QMARK_GROUP_EFFECT |
-        OP2_OPTION_PERL | OP2_PLUS_POSSESSIVE_REPEAT |
-        OP2_PLUS_POSSESSIVE_INTERVAL | OP2_CCLASS_SET_OP |
-        OP2_ESC_V_VTAB | OP2_ESC_U_HEX4 |
-        OP2_ESC_P_BRACE_CHAR_PROPERTY ),
-
-        ( GNU_REGEX_BV | DIFFERENT_LEN_ALT_LOOK_BEHIND ),
-
-        Option.SINGLELINE,
-
-        new MetaCharTable(
-            '\\',                          /* esc */
-            INEFFECTIVE_META_CHAR,         /* anychar '.' */
-            INEFFECTIVE_META_CHAR,         /* anytime '*' */
-            INEFFECTIVE_META_CHAR,         /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,         /* one or more time '+' */
-            INEFFECTIVE_META_CHAR          /* anychar anytime */
-        )
-    );
-
-    public static final Syntax Perl = new Syntax(
-        (( GNU_REGEX_OP | OP_QMARK_NON_GREEDY |
-        OP_ESC_OCTAL3 | OP_ESC_X_HEX2 |
-        OP_ESC_X_BRACE_HEX8 | OP_ESC_CONTROL_CHARS |
-        OP_ESC_C_CONTROL )
-        & ~OP_ESC_LTGT_WORD_BEGIN_END ),
-
-        ( OP2_ESC_CAPITAL_Q_QUOTE |
-        OP2_QMARK_GROUP_EFFECT | OP2_OPTION_PERL |
-        OP2_ESC_P_BRACE_CHAR_PROPERTY |
-        OP2_ESC_P_BRACE_CIRCUMFLEX_NOT ),
-
-        GNU_REGEX_BV,
-
-        Option.SINGLELINE,
-
-        new MetaCharTable(
-            '\\',                          /* esc */
-            INEFFECTIVE_META_CHAR,         /* anychar '.' */
-            INEFFECTIVE_META_CHAR,         /* anytime '*' */
-            INEFFECTIVE_META_CHAR,         /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,         /* one or more time '+' */
-            INEFFECTIVE_META_CHAR          /* anychar anytime */
-        )
-    );
-
-    public static final Syntax PerlNG = new Syntax(
-        (( GNU_REGEX_OP | OP_QMARK_NON_GREEDY |
-        OP_ESC_OCTAL3 | OP_ESC_X_HEX2 |
-        OP_ESC_X_BRACE_HEX8 | OP_ESC_CONTROL_CHARS |
-        OP_ESC_C_CONTROL )
-        & ~OP_ESC_LTGT_WORD_BEGIN_END ),
-
-        ( OP2_ESC_CAPITAL_Q_QUOTE |
-        OP2_QMARK_GROUP_EFFECT | OP2_OPTION_PERL |
-        OP2_ESC_P_BRACE_CHAR_PROPERTY  |
-        OP2_ESC_P_BRACE_CIRCUMFLEX_NOT |
-        OP2_QMARK_LT_NAMED_GROUP       |
-        OP2_ESC_K_NAMED_BACKREF        |
-        OP2_ESC_G_SUBEXP_CALL ),
-
-        ( GNU_REGEX_BV |
-        CAPTURE_ONLY_NAMED_GROUP |
-        ALLOW_MULTIPLEX_DEFINITION_NAME ),
-
-        Option.SINGLELINE,
-
-        new MetaCharTable(
-            '\\',                          /* esc */
-            INEFFECTIVE_META_CHAR,         /* anychar '.' */
-            INEFFECTIVE_META_CHAR,         /* anytime '*' */
-            INEFFECTIVE_META_CHAR,         /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,         /* one or more time '+' */
-            INEFFECTIVE_META_CHAR          /* anychar anytime */
-        )
-    );
-
-    public static final Syntax JAVASCRIPT = new Syntax(
-        (( GNU_REGEX_OP | OP_QMARK_NON_GREEDY |
-        OP_ESC_CONTROL_CHARS | OP_ESC_C_CONTROL | OP_ESC_X_HEX2)
-        & ~OP_ESC_LTGT_WORD_BEGIN_END ),
-
-        ( OP2_QMARK_GROUP_EFFECT |
-        OP2_ESC_V_VTAB | OP2_ESC_U_HEX4 ),
-
-        ( GNU_REGEX_BV | DIFFERENT_LEN_ALT_LOOK_BEHIND ),
-
-        Option.SINGLELINE,
-
-        new MetaCharTable(
-            '\\',                          /* esc */
-            INEFFECTIVE_META_CHAR,         /* anychar '.' */
-            INEFFECTIVE_META_CHAR,         /* anytime '*' */
-            INEFFECTIVE_META_CHAR,         /* zero or one time '?' */
-            INEFFECTIVE_META_CHAR,         /* one or more time '+' */
-            INEFFECTIVE_META_CHAR          /* anychar anytime */
-        )
-    );
-}