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 bb790bb..fede3d9 100644
--- a/runtime/syntax/bindzone.vim
+++ b/runtime/syntax/bindzone.vim
@@ -33,7 +33,7 @@
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}\>/