> begining. Originally I have created this macro to check if splitting text into
> letters can speed up rendering of text. The answer is: it not influences
> somehow. Rendering is sometimes one second faster, sometimes one second
> slower. Probably it depends on current work of CPU.

This is probably because a text string is broken into individual letters 
already by the parser.

-- 
plane{-z,-3normal{crackle scale.2#local a=5;#while(a)warp{repeat x flip x}rotate
z*60#local a=a-1;#end translate-9*x}pigment{rgb 1}}light_source{-9red 1rotate 60
*z}light_source{-9rgb y rotate-z*60}light_source{9-z*18rgb z}text{ttf"arial.ttf"
"RP".01,0translate-<.6,.4,.02>pigment{bozo}}light_source{-z*3rgb-.2}//Ron Parker

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