PCRE_PRERELEASE    88 pcre/pcrelib/pcre_version.c return (XSTRING(Z PCRE_PRERELEASE)[1] == 0)?
PCRE_PRERELEASE    90 pcre/pcrelib/pcre_version.c   XSTRING(PCRE_MAJOR.PCRE_MINOR) XSTRING(PCRE_PRERELEASE PCRE_DATE);