Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=55383
Improve HTML markup.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1529689 13f79535-47bb-0310-9956-ffa450edef68
Explicitly state the used encoding in XML files of the "docs" webapp.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1529692 13f79535-47bb-0310-9956-ffa450edef68
Fix the logic for handling dispatches in a thread-safe manner. May be scope for a more efficient implementation.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1529697 13f79535-47bb-0310-9956-ffa450edef68