print 0 to 99 in brainfuck

test.bf

ref: http://www'iwriteiam'nl/Ha_bf_intro'html
>++++++++++[<++++++++++>-]           (#0=100)
>+++++++[<+++++++>-]+++++++++++<--<  (#1=47 #2=11)
[  (loop #0)

	>+ (inc #1)
	>- (dec #2)

	(test if #2 is 0 using #3 #4)
	[>+>+<<-] >[<+>-]  (move #2 to #3 #4; move #3 to #2)
	+ <[ >- <          (inc #3; if #2; dec #3; back to #2)
	[-]] (endif #2) >>[<<+>>-] (copy #4 back to #2) <[ (if #3)
		
		>+  (#4=1)
		>   (if #5 is 0 using #7 #8)
		[>>+>+<<<-]  >>[<<+>>-]  (move #5 to #7 #8; move #7 to #5)
		+ <<[ >>-                (inc #7; if #5; dec #7)

			>+    (inc #8 and will be copied to #5)
			<<-   (dec #6)
			      (todo test #6=0)
			
		<[-]] (back to #5; endif #5) >>>[<<<+>>>-] (#8 to #5) <[ (if #7)

			<< >+++++++[<+++++++>-]+++++++++  (#5=49 #6=9)

		>-](back to #7; endif #7)

	<<<<-] (back to #3; endif #3)

	>[            (if #4==1)
	<<++++++++++  (#2=10)
	< ----------  (#1 dec 10)
	>>>-]

	(print out)
	> [<+<+>>-] <<[>>+<<-] (to #5; move #5 to #3 #4; move #3 to #5)
	>>[.[-]] (if #5; print; clear #5;)
	<[>+<-] (#4 to #5)
	<<<. (print #1)
	>>++++++++++.[-]  (use #3 print \n)

<<<-]  (back to #0)