[PATCH] Clarify the gaschange icon

[Dirk Hohndel]

On Thu, Jul 10, 2014 at 02:40:28PM +0200, roberto forini wrote:
> Sorry for the late answer. In the last windows binary
> (subsurface-4.1-597-ga2f47485d4fc) you can se the effect of adding the same
> cylinder icon on a dive that has gas changes (for deco) and gas break
> during the last deco stop. Having a quick look to the plot, you can see the
> same icon along the diving that seems to me a little bit confusing. As i
> said few emails ago, a different icon on the gas switch event could help to
> get the meaning at the "very first look" to the plot.... but it is only my
> personal opinion... :-)...

I will admit that for this very special use case the different icons do
indeed provide better visualization of the data at first glance.

What do others think?

/D