Here's the update.  [I see the .binaries, so I should be OK.]

I incremented straight to 0.020 since the new function has one more 
parameter than the old (making it incompatible with existing calls), a 
phase parameter between p_phi and i.

I also put in a clunky way to switch between using the SDL and internal 
function, if you compiled it into POV-Ray with the internal patch.  Just 
rename or remove the mbsdl.inc file and the sample scenes will switch to 
using the internal function.  I updated the README.TXT to try to explain 
these and other mostly minor changes.

Also, I added another sample showing the four major variations.  The 
mb_variations.pov scene file is set to show the four power 8 variations, 
but I also attached an image of the power two variants to highlight the 
differences.

Happy 'Bulbing!

~David

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Attachments:
Download 'f_mandelbulb.020.zip' (50 KB) Download 'mb_variations.png' (35 KB) Download 'mb2_variations.png' (34 KB)

Preview of image 'mb_variations.png'

Preview of image 'mb2_variations.png'