[pcre-dev] PCRE2 for z/OS R21 is now available

PCRE2 for z/OS R21 is now available.  Note that since PCRE2 is different then PCRE, it is available in a new location: file 939 on the CBT (CBTTAPE.ORG, file 939).  The old PCRE would continue to be available on file 882. Ze'ev Atlas