Diff of /PDL/Book/FirstSteps.pod [b8d074] .. [cdc763] Maximize Restore

  Switch to side-by-side view

--- a/PDL/Book/FirstSteps.pod
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 fat the profile is across when it drops by half. Looking at Figure 1.6
 it looks like this is about 2-3 pixels - pretty compact!
 
-=for html <img WIDTH=400 src="firststeps/whirl-starradiala.png">
+=for html <img WIDTH=400 src="firststeps/whirl-starradial.png">
 
 Figure 1.6: Radial light profile of the bright star with fitted curve.