Add comments when fixing bugs - Deepstash

Add comments when fixing bugs

Comments should be added not just when initially writing code but also when modifying it, especially fixing bugs. Consider this comment:

// NOTE: At least in Firefox 2, if the user drags outside of the browser window,

// mouse-move (and even mouse-down) events will not be received until

// the user drags back inside the window. A workaround for this issue

// exists in the implementation for onMouseLeave().

@Override public void onMouseMove(Widget sender, int x, int y) { .. }

This helps the reader understand the code and it is helpful for determining whether the code is still needed.

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