Merge r1481396, r1502665 from trunk:

update log tags

replace duplicate, add missing


reflow a very long line, no functional change

Submitted by: sf, covener
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1507682 13f79535-47bb-0310-9956-ffa450edef68