Scilab 5.3.0 : starting problem on Mac OS X 10.6.6

[Yves Barois]

 1) On iMac 20 po (beginning 2006), Mac OS X 10.6.6 Snow Leopard, Intel Core Duo, 32 bits, Java SE6 32 bits 1.6.0_22-b04-307 : Scilab 5.2.2 works well but Scilab 5.3.0 does not want to start, in that case the Console display :
"19/01/11 00:59:20	[0x0-0x313313].org.scilab.modules.jvm.Scilab[7700]	/Applications/scilab-5.3.0.app/Contents/MacOS/bin/scilab: line 535: /Applications/scilab-5.3.0.app/Contents/MacOS/bin/scilab-bin: Bad CPU type in executable".

 2) On MacBook Pro 15 po (december 2010),  Mac OS X 10.6.6 Snow Leopard, Intel Core i5 ou i7, 64 bits, Java SE6 32 bits 1.6.0_22-b04-307 : both Scilab 5.2.2 and 5.3.0 work very well.

 3)On the two Mac after starting the functional versions, the Console display :
"21/01/11 17:35:44	[0x0-0x3f93f9].org.scilab.modules.jvm.Scilab[10305]	JavaVM: requested Java version (1.5) not available. Using Java at "/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home" instead."

 My question is : is Scilab 5.3.0 able to work on a 32 bits Mac, or on a 64 bits one only ? If so this point should be written in the "system requirements" for each Scilab OS X version.

  I tried to report this as a bug : too difficult, long, complicated… chinese torture ! Made for developers not for simple users... I'll never try again.