Some more parser weirdness in the following test scene (sorry if known):

#macro POS(X) #if (X > 0)  1  #else  0  #end #end
                
#local Y = POS(5)

It works fine, but issues a warning about a missing semicolon. If I add the
semicolon after the POS(5), it still complains, but also gives an error.

(3.5.beta.6 win32 (.icl), winME, P3, 933MHz, 384MB)

-- 
#macro C(X,Y)cylinder{X*x<X,0,-Y/2>.1}#end#macro U(R,X,Y)intersection{torus{.9
.1}box{-1 0rotate y*R*90}translate<X,0,Y>scale 1-z*.5}#end union{U(0,0,0)U(1,0
,0)U(2,-1,-1)U(1,1,0)U(1,1.5,-3)U(1,2,0)U(3,1,0)U(2,2,0)U(0,3,0)U(3,2,.5)C(.1,
2)C(.8,1)C(.8,-1)C(1.1,1)C(1.9,-1)pigment{rgb 10}rotate x*90translate<-1,0,4>}

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