Merge r1520445, r1672985, r1672989, r1673769 from trunk:
Add a warning if protocol given in SSLProtocol or SSLProxyProtocol will override other parameters given in the same directive.
This could be a missing + or - prefix.
PR 52820
Tweak log message
Add CHANGES entry before backport proposal
Follow-up to r1520445:
Tweak error message for clarity
Submitted by: jailletc36, trawick
Reviewed/backported by: jim
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@
1674655 13f79535-47bb-0310-9956-
ffa450edef68