-#define BOL 2 /* 0x02 Match "" at beginning of line. */
-#define MBOL 3 /* 0x03 Same, assuming multiline. */
-#define SBOL 4 /* 0x04 Same, assuming singleline. */
-#define EOS 5 /* 0x05 Match "" at end of string. */
-#define EOL 6 /* 0x06 Match "" at end of line. */
-#define MEOL 7 /* 0x07 Same, assuming multiline. */
-#define SEOL 8 /* 0x08 Same, assuming singleline. */
-#define BOUND 9 /* 0x09 Match "" at any word boundary using native charset semantics for non-utf8 */
-#define BOUNDL 10 /* 0x0a Match "" at any locale word boundary */
-#define BOUNDU 11 /* 0x0b Match "" at any word boundary using Unicode semantics */
-#define BOUNDA 12 /* 0x0c Match "" at any word boundary using ASCII semantics */
-#define NBOUND 13 /* 0x0d Match "" at any word non-boundary using native charset semantics for non-utf8 */
-#define NBOUNDL 14 /* 0x0e Match "" at any locale word non-boundary */
-#define NBOUNDU 15 /* 0x0f Match "" at any word non-boundary using Unicode semantics */
-#define NBOUNDA 16 /* 0x10 Match "" at any word non-boundary using ASCII semantics */
-#define GPOS 17 /* 0x11 Matches where last m//g left off. */
-#define REG_ANY 18 /* 0x12 Match any one character (except newline). */
-#define SANY 19 /* 0x13 Match any one character. */
-#define CANY 20 /* 0x14 Match any one byte. */
-#define ANYOF 21 /* 0x15 Match character in (or not in) this class, single char match only */
-#define POSIXD 22 /* 0x16 Some [[:class:]] under /d; the FLAGS field gives which one */
-#define POSIXL 23 /* 0x17 Some [[:class:]] under /l; the FLAGS field gives which one */
-#define POSIXU 24 /* 0x18 Some [[:class:]] under /u; the FLAGS field gives which one */
-#define POSIXA 25 /* 0x19 Some [[:class:]] under /a; the FLAGS field gives which one */
-#define NPOSIXD 26 /* 0x1a complement of POSIXD, [[:^class:]] */
-#define NPOSIXL 27 /* 0x1b complement of POSIXL, [[:^class:]] */
-#define NPOSIXU 28 /* 0x1c complement of POSIXU, [[:^class:]] */
-#define NPOSIXA 29 /* 0x1d complement of POSIXA, [[:^class:]] */
-#define CLUMP 30 /* 0x1e Match any extended grapheme cluster sequence */
-#define BRANCH 31 /* 0x1f Match this alternative, or the next... */
-#define BACK 32 /* 0x20 Match "", "next" ptr points backward. */
-#define EXACT 33 /* 0x21 Match this string (preceded by length). */
-#define EXACTF 34 /* 0x22 Match this non-UTF-8 string (not guaranteed to be folded) using /id rules (w/len). */
-#define EXACTFL 35 /* 0x23 Match this string (not guaranteed to be folded) using /il rules (w/len). */
-#define EXACTFU 36 /* 0x24 Match this string (folded iff in UTF-8, length in folding doesn't change if not in UTF-8) using /iu rules (w/len). */
-#define EXACTFA 37 /* 0x25 Match this string (not guaranteed to be folded) using /iaa rules (w/len). */
-#define EXACTFU_SS 38 /* 0x26 Match this string (folded iff in UTF-8, length in folding may change even if not in UTF-8) using /iu rules (w/len). */
-#define EXACTFU_TRICKYFOLD 39 /* 0x27 Match this folded UTF-8 string using /iu rules */
-#define NOTHING 40 /* 0x28 Match empty string. */
-#define TAIL 41 /* 0x29 Match empty string. Can jump here from outside. */
-#define STAR 42 /* 0x2a Match this (simple) thing 0 or more times. */
-#define PLUS 43 /* 0x2b Match this (simple) thing 1 or more times. */
-#define CURLY 44 /* 0x2c Match this simple thing {n,m} times. */
-#define CURLYN 45 /* 0x2d Capture next-after-this simple thing */
-#define CURLYM 46 /* 0x2e Capture this medium-complex thing {n,m} times. */
-#define CURLYX 47 /* 0x2f Match this complex thing {n,m} times. */
-#define WHILEM 48 /* 0x30 Do curly processing and see if rest matches. */
-#define OPEN 49 /* 0x31 Mark this point in input as start of */
-#define CLOSE 50 /* 0x32 Analogous to OPEN. */
-#define REF 51 /* 0x33 Match some already matched string */
-#define REFF 52 /* 0x34 Match already matched string, folded using native charset semantics for non-utf8 */
-#define REFFL 53 /* 0x35 Match already matched string, folded in loc. */
-#define REFFU 54 /* 0x36 Match already matched string, folded using unicode semantics for non-utf8 */
-#define REFFA 55 /* 0x37 Match already matched string, folded using unicode semantics for non-utf8, no mixing ASCII, non-ASCII */
-#define NREF 56 /* 0x38 Match some already matched string */
-#define NREFF 57 /* 0x39 Match already matched string, folded using native charset semantics for non-utf8 */
-#define NREFFL 58 /* 0x3a Match already matched string, folded in loc. */
-#define NREFFU 59 /* 0x3b Match already matched string, folded using unicode semantics for non-utf8 */
-#define NREFFA 60 /* 0x3c Match already matched string, folded using unicode semantics for non-utf8, no mixing ASCII, non-ASCII */
-#define IFMATCH 61 /* 0x3d Succeeds if the following matches. */
-#define UNLESSM 62 /* 0x3e Fails if the following matches. */
-#define SUSPEND 63 /* 0x3f "Independent" sub-RE. */
-#define IFTHEN 64 /* 0x40 Switch, should be preceded by switcher . */
-#define GROUPP 65 /* 0x41 Whether the group matched. */
-#define LONGJMP 66 /* 0x42 Jump far away. */
-#define BRANCHJ 67 /* 0x43 BRANCH with long offset. */
-#define EVAL 68 /* 0x44 Execute some Perl code. */
-#define MINMOD 69 /* 0x45 Next operator is not greedy. */
-#define LOGICAL 70 /* 0x46 Next opcode should set the flag only. */
-#define RENUM 71 /* 0x47 Group with independently numbered parens. */
-#define TRIE 72 /* 0x48 Match many EXACT(F[ALU]?)? at once. flags==type */
-#define TRIEC 73 /* 0x49 Same as TRIE, but with embedded charclass data */
-#define AHOCORASICK 74 /* 0x4a Aho Corasick stclass. flags==type */
-#define AHOCORASICKC 75 /* 0x4b Same as AHOCORASICK, but with embedded charclass data */
-#define GOSUB 76 /* 0x4c recurse to paren arg1 at (signed) ofs arg2 */
-#define GOSTART 77 /* 0x4d recurse to start of pattern */
-#define NGROUPP 78 /* 0x4e Whether the group matched. */
-#define INSUBP 79 /* 0x4f Whether we are in a specific recurse. */
-#define DEFINEP 80 /* 0x50 Never execute directly. */
-#define ENDLIKE 81 /* 0x51 Used only for the type field of verbs */
-#define OPFAIL 82 /* 0x52 Same as (?!) */
-#define ACCEPT 83 /* 0x53 Accepts the current matched string. */
-#define VERB 84 /* 0x54 Used only for the type field of verbs */
-#define PRUNE 85 /* 0x55 Pattern fails at this startpoint if no-backtracking through this */
-#define MARKPOINT 86 /* 0x56 Push the current location for rollback by cut. */
-#define SKIP 87 /* 0x57 On failure skip forward (to the mark) before retrying */
-#define COMMIT 88 /* 0x58 Pattern fails outright if backtracking through this */
-#define CUTGROUP 89 /* 0x59 On failure go to the next alternation in the group */
-#define KEEPS 90 /* 0x5a $& begins here. */
-#define LNBREAK 91 /* 0x5b generic newline pattern */
-#define OPTIMIZED 92 /* 0x5c Placeholder for dump. */
-#define PSEUDO 93 /* 0x5d Pseudo opcode for internal use. */
+#define SBOL 2 /* 0x02 Match "" at beginning of line: /^/, /\A/ */
+#define BOL 2 /* 0x02 type alias */
+#define MBOL 3 /* 0x03 Same, assuming multiline: /^/m */
+#define SEOL 4 /* 0x04 Match "" at end of line: /$/ */
+#define EOL 4 /* 0x04 type alias */
+#define MEOL 5 /* 0x05 Same, assuming multiline: /$/m */
+#define EOS 6 /* 0x06 Match "" at end of string: /\z/ */
+#define GPOS 7 /* 0x07 Matches where last m//g left off. */
+#define BOUND 8 /* 0x08 Like BOUNDA for non-utf8, otherwise like BOUNDU */
+#define BOUNDL 9 /* 0x09 Like BOUND/BOUNDU, but \w and \W are defined by current locale */
+#define BOUNDU 10 /* 0x0a Match "" at any boundary of a given type using /u rules. */
+#define BOUNDA 11 /* 0x0b Match "" at any boundary between \w\W or \W\w, where \w is [_a-zA-Z0-9] */
+#define NBOUND 12 /* 0x0c Like NBOUNDA for non-utf8, otherwise like BOUNDU */
+#define NBOUNDL 13 /* 0x0d Like NBOUND/NBOUNDU, but \w and \W are defined by current locale */
+#define NBOUNDU 14 /* 0x0e Match "" at any non-boundary of a given type using using /u rules. */
+#define NBOUNDA 15 /* 0x0f Match "" betweeen any \w\w or \W\W, where \w is [_a-zA-Z0-9] */
+#define REG_ANY 16 /* 0x10 Match any one character (except newline). */
+#define SANY 17 /* 0x11 Match any one character. */
+#define ANYOF 18 /* 0x12 Match character in (or not in) this class, single char match only */
+#define ANYOFD 19 /* 0x13 Like ANYOF, but /d is in effect */
+#define ANYOFL 20 /* 0x14 Like ANYOF, but /l is in effect */
+#define ANYOFPOSIXL 21 /* 0x15 Like ANYOFL, but matches [[:posix:]] classes */
+#define ANYOFH 22 /* 0x16 Like ANYOF, but only has "High" matches, none in the bitmap; the flags field contains the lowest matchable UTF-8 start byte */
+#define ANYOFHb 23 /* 0x17 Like ANYOFH, but all matches share the same UTF-8 start byte, given in the flags field */
+#define ANYOFHr 24 /* 0x18 Like ANYOFH, but the flags field contains packed bounds for all matchable UTF-8 start bytes. */
+#define ANYOFHs 25 /* 0x19 Like ANYOFHb, but has a string field that gives the leading matchable UTF-8 bytes; flags field is len */
+#define ANYOFR 26 /* 0x1a Matches any character in the range given by its packed args: upper 12 bits is the max delta from the base lower 20; the flags field contains the lowest matchable UTF-8 start byte */
+#define ANYOFRb 27 /* 0x1b Like ANYOFR, but all matches share the same UTF-8 start byte, given in the flags field */
+#define ANYOFM 28 /* 0x1c Like ANYOF, but matches an invariant byte as determined by the mask and arg */
+#define NANYOFM 29 /* 0x1d complement of ANYOFM */
+#define POSIXD 30 /* 0x1e Some [[:class:]] under /d; the FLAGS field gives which one */
+#define POSIXL 31 /* 0x1f Some [[:class:]] under /l; the FLAGS field gives which one */
+#define POSIXU 32 /* 0x20 Some [[:class:]] under /u; the FLAGS field gives which one */
+#define POSIXA 33 /* 0x21 Some [[:class:]] under /a; the FLAGS field gives which one */
+#define NPOSIXD 34 /* 0x22 complement of POSIXD, [[:^class:]] */
+#define NPOSIXL 35 /* 0x23 complement of POSIXL, [[:^class:]] */
+#define NPOSIXU 36 /* 0x24 complement of POSIXU, [[:^class:]] */
+#define NPOSIXA 37 /* 0x25 complement of POSIXA, [[:^class:]] */
+#define CLUMP 38 /* 0x26 Match any extended grapheme cluster sequence */
+#define BRANCH 39 /* 0x27 Match this alternative, or the next... */
+#define EXACT 40 /* 0x28 Match this string (flags field is the length). */
+#define LEXACT 41 /* 0x29 Match this long string (preceded by length; flags unused). */
+#define EXACTL 42 /* 0x2a Like EXACT, but /l is in effect (used so locale-related warnings can be checked for) */
+#define EXACTF 43 /* 0x2b Like EXACT, but match using /id rules; (string not UTF-8, ASCII folded; non-ASCII not) */
+#define EXACTFL 44 /* 0x2c Like EXACT, but match using /il rules; (string not likely to be folded) */
+#define EXACTFU 45 /* 0x2d Like EXACT, but match using /iu rules; (string folded) */
+#define EXACTFAA 46 /* 0x2e Like EXACT, but match using /iaa rules; (string folded except in non-UTF8 patterns: MICRO, SHARP S; folded length <= unfolded) */
+#define EXACTFUP 47 /* 0x2f Like EXACT, but match using /iu rules; (string not UTF-8, folded except MICRO, SHARP S: hence Problematic) */
+#define EXACTFLU8 48 /* 0x30 Like EXACTFU, but use /il, UTF-8, (string is folded, and everything in it is above 255 */
+#define EXACTFAA_NO_TRIE 49 /* 0x31 Like EXACT, but match using /iaa rules (string not UTF-8, not guaranteed to be folded, not currently trie-able) */
+#define EXACT_REQ8 50 /* 0x32 Like EXACT, but only UTF-8 encoded targets can match */
+#define LEXACT_REQ8 51 /* 0x33 Like LEXACT, but only UTF-8 encoded targets can match */
+#define EXACTFU_REQ8 52 /* 0x34 Like EXACTFU, but only UTF-8 encoded targets can match */
+#define EXACTFU_S_EDGE 53 /* 0x35 /di rules, but nothing in it precludes /ui, except begins and/or ends with [Ss]; (string not UTF-8; compile-time only) */
+#define NOTHING 54 /* 0x36 Match empty string. */
+#define TAIL 55 /* 0x37 Match empty string. Can jump here from outside. */
+#define STAR 56 /* 0x38 Match this (simple) thing 0 or more times. */
+#define PLUS 57 /* 0x39 Match this (simple) thing 1 or more times. */
+#define CURLY 58 /* 0x3a Match this simple thing {n,m} times. */
+#define CURLYN 59 /* 0x3b Capture next-after-this simple thing */
+#define CURLYM 60 /* 0x3c Capture this medium-complex thing {n,m} times. */
+#define CURLYX 61 /* 0x3d Match this complex thing {n,m} times. */
+#define WHILEM 62 /* 0x3e Do curly processing and see if rest matches. */
+#define OPEN 63 /* 0x3f Mark this point in input as start of #n. */
+#define CLOSE 64 /* 0x40 Close corresponding OPEN of #n. */
+#define SROPEN 65 /* 0x41 Same as OPEN, but for script run */
+#define SRCLOSE 66 /* 0x42 Close preceding SROPEN */
+#define REF 67 /* 0x43 Match some already matched string */
+#define REFF 68 /* 0x44 Match already matched string, using /di rules. */
+#define REFFL 69 /* 0x45 Match already matched string, using /li rules. */
+#define REFFU 70 /* 0x46 Match already matched string, usng /ui. */
+#define REFFA 71 /* 0x47 Match already matched string, using /aai rules. */
+#define REFN 72 /* 0x48 Match some already matched string */
+#define REFFN 73 /* 0x49 Match already matched string, using /di rules. */
+#define REFFLN 74 /* 0x4a Match already matched string, using /li rules. */
+#define REFFUN 75 /* 0x4b Match already matched string, using /ui rules. */
+#define REFFAN 76 /* 0x4c Match already matched string, using /aai rules. */
+#define LONGJMP 77 /* 0x4d Jump far away. */
+#define BRANCHJ 78 /* 0x4e BRANCH with long offset. */
+#define IFMATCH 79 /* 0x4f Succeeds if the following matches; non-zero flags "f", next_off "o" means lookbehind assertion starting "f..(f-o)" characters before current */
+#define UNLESSM 80 /* 0x50 Fails if the following matches; non-zero flags "f", next_off "o" means lookbehind assertion starting "f..(f-o)" characters before current */
+#define SUSPEND 81 /* 0x51 "Independent" sub-RE. */
+#define IFTHEN 82 /* 0x52 Switch, should be preceded by switcher. */
+#define GROUPP 83 /* 0x53 Whether the group matched. */
+#define EVAL 84 /* 0x54 Execute some Perl code. */
+#define MINMOD 85 /* 0x55 Next operator is not greedy. */
+#define LOGICAL 86 /* 0x56 Next opcode should set the flag only. */
+#define RENUM 87 /* 0x57 Group with independently numbered parens. */
+#define TRIE 88 /* 0x58 Match many EXACT(F[ALU]?)? at once. flags==type */
+#define TRIEC 89 /* 0x59 Same as TRIE, but with embedded charclass data */
+#define AHOCORASICK 90 /* 0x5a Aho Corasick stclass. flags==type */
+#define AHOCORASICKC 91 /* 0x5b Same as AHOCORASICK, but with embedded charclass data */
+#define GOSUB 92 /* 0x5c recurse to paren arg1 at (signed) ofs arg2 */
+#define GROUPPN 93 /* 0x5d Whether the group matched. */
+#define INSUBP 94 /* 0x5e Whether we are in a specific recurse. */
+#define DEFINEP 95 /* 0x5f Never execute directly. */
+#define ENDLIKE 96 /* 0x60 Used only for the type field of verbs */
+#define OPFAIL 97 /* 0x61 Same as (?!), but with verb arg */
+#define ACCEPT 98 /* 0x62 Accepts the current matched string, with verbar */
+#define VERB 99 /* 0x63 Used only for the type field of verbs */
+#define PRUNE 100 /* 0x64 Pattern fails at this startpoint if no-backtracking through this */
+#define MARKPOINT 101 /* 0x65 Push the current location for rollback by cut. */
+#define SKIP 102 /* 0x66 On failure skip forward (to the mark) before retrying */
+#define COMMIT 103 /* 0x67 Pattern fails outright if backtracking through this */
+#define CUTGROUP 104 /* 0x68 On failure go to the next alternation in the group */
+#define KEEPS 105 /* 0x69 $& begins here. */
+#define LNBREAK 106 /* 0x6a generic newline pattern */
+#define OPTIMIZED 107 /* 0x6b Placeholder for dump. */
+#define PSEUDO 108 /* 0x6c Pseudo opcode for internal use. */
+#define REGEX_SET 109 /* 0x6d Regex set, temporary node used in pre-optimization compilation */