<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Aug 25, 2015 at 3:56 PM, ISAAC J SCHWABACHER <span dir="ltr"><<a href="mailto:ischwabacher@wisc.edu" target="_blank">ischwabacher@wisc.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I like it. It's obvious from the field name what problem it solves, and which value of the flag corresponds to which instant in time.</blockquote></div><br>Which problem "which" solves?  Obvious!  It tells you who is on first.</div><div class="gmail_extra"><br></div><div class="gmail_extra">(Answer: not "who" - "which"!)</div></div>