Clarify HC4 behaviour wrt transport overhead
Clarify HC4 behaviour wrt transport overhead

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1241292 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 840020921da7e5a4988aabbd16d013dae3c0cc12
ham1/jmeter,ham1/jmeter,etnetera/jmeter,apache/jmeter,benbenw/jmeter,apache/jmeter,etnetera/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter,benbenw/jmeter,benbenw/jmeter,apache/jmeter,ham1/jmeter,benbenw/jmeter,etnetera/jmeter,ham1/jmeter,apache/jmeter,etnetera/jmeter