RE_CONTEXT_INVALID_DUP 2286 compat/regex/regcomp.c       if (syntax & RE_CONTEXT_INVALID_DUP)
RE_CONTEXT_INVALID_DUP 2422 compat/regex/regcomp.c       if ((syntax & RE_CONTEXT_INVALID_DUP)
RE_CONTEXT_INVALID_DUP  181 compat/regex/regex.h #define RE_NO_SUB (RE_CONTEXT_INVALID_DUP << 1)
RE_CONTEXT_INVALID_DUP  241 compat/regex/regex.h   (_RE_SYNTAX_POSIX_COMMON | RE_BK_PLUS_QM | RE_CONTEXT_INVALID_DUP)