# Oniguruma syntax (operator) configuration
-_Documented for Oniguruma 6.9.2 (2019/03/28)_
+_Documented for Oniguruma 6.9.3 (2019/08/08)_
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If this flag is set, Oniguruma will warn about nested repeat operators those have no meaning, like `(?:a*)+`.
If this flag is clear, Oniguruma will allow the nested repeat operators without warning about them.
+### 26. ONIG_SYN_ALLOW_INVALID_CODE_END_OF_RANGE_IN_CC (allow [a-\x{7fffffff}])
+
+_Set in: Oniguruma_
+
+If this flag is set, then invalid code points at the end of range in character class are allowed.
+
### 31. ONIG_SYN_CONTEXT_INDEP_ANCHORS
_Set in: PosixExtended, GnuRegex, Java, Perl, Perl_NG, Ruby, Oniguruma_
| 23 | `ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC` | - | Yes | - | - | Yes | Yes | Yes | Yes | Yes | Yes |
| 24 | `ONIG_SYN_WARN_CC_OP_NOT_ESCAPED` | - | - | - | - | - | - | - | - | Yes | Yes |
| 25 | `ONIG_SYN_WARN_REDUNDANT_NESTED_REPEAT` | - | - | - | - | - | - | - | - | Yes | Yes |
+| 26 | `ONIG_SYN_ALLOW_INVALID_CODE_END_OF_RANGE_IN_CC` | - | - | - | - | - | - | - | - | - | Yes |
| 31 | `ONIG_SYN_CONTEXT_INDEP_ANCHORS` | - | Yes | - | - | Yes | Yes | Yes | Yes | Yes | Yes |