title: Eclipse content assist with middle letters match
body: <p>Eclipse gives suggestions that starts with what I type:
  <img src="https://i.stack.imgur.com/gbgq0.png" alt="enter image description here"></p>
  
  <p>But IntelliJ IDEA gives suggestions that has (in the middle or at the beginning) what I type:
  <img src="https://i.stack.imgur.com/eBBLO.png" alt="enter image description here"></p>
  
  <p>I guess Eclipse Luna has the same feature (<a href="https://www.parleys.com/tutorial/eclipse-luna-java-8-more" rel="noreferrer">based on this presentation</a>), but I cannot make it work. Any help?</p>