bindzone runtime: add new DNS record types (#7351)

Recognize some newer DNS record types - CAA (RFC8659, certificate authority authorization), OPENPGPKEY (RFC7929), SMIMEA (RFC8162). Sort SSHFP alphabetically while there.

diff --git a/runtime/syntax/bindzone.vim b/runtime/syntax/bindzone.vim
index bb790bb75c983247ffdcb5ebedec8b8635270337..fede3d97d52940e8a1f1db302944e122fd3c983c 100644 (file)
--- a/runtime/syntax/bindzone.vim
+++ b/runtime/syntax/bindzone.vim
@@ -33,7 +33,7 @@ syn match       zoneDomain      contained  /[^[:space:]!"#$%&'()*+,\/:;<=>?@[\]\
 syn match       zoneSpecial     contained /^[@*.]\s/
 syn match       zoneTTL         contained /\s\@<=\d[0-9WwDdHhMmSs]*\(\s\|$\)\@=/ nextgroup=zoneClass,zoneRRType skipwhite
 syn keyword     zoneClass       contained IN CHAOS CH HS HESIOD nextgroup=zoneRRType,zoneTTL skipwhite
-syn keyword     zoneRRType      contained A AAAA CERT CNAME DNAME DNSKEY DS HINFO LOC MX NAPTR NS NSEC NSEC3 NSEC3PARAM PTR RP RRSIG SSHFP SOA SPF SRV TLSA TXT nextgroup=zoneRData skipwhite
+syn keyword     zoneRRType      contained A AAAA CAA CERT CNAME DNAME DNSKEY DS HINFO LOC MX NAPTR NS NSEC NSEC3 NSEC3PARAM OPENPGPKEY PTR RP RRSIG SMIMEA SOA SPF SRV SSHFP TLSA TXT nextgroup=zoneRData skipwhite
 syn match       zoneRData       contained /[^;]*/ contains=zoneDomain,zoneIPAddr,zoneIP6Addr,zoneText,zoneNumber,zoneParen,zoneUnknown
 
 syn match       zoneIPAddr      contained /\<[0-9]\{1,3}\(\.[0-9]\{1,3}\)\{,3}\>/