PCRE_DATE 89 pcre/pcrelib/pcre_version.c XSTRING(PCRE_MAJOR.PCRE_MINOR PCRE_DATE) : PCRE_DATE 90 pcre/pcrelib/pcre_version.c XSTRING(PCRE_MAJOR.PCRE_MINOR) XSTRING(PCRE_PRERELEASE PCRE_DATE);