[EXI Option] preserve [Description] Specifies whether the support for the preservation of comments, pis, etc. is each enabled [Default Value] 
all false
b i t - p a c k e d
f a l s e
a l l f a l s e
n o d e f a u l t v a l u e
1 , 0 0 0 , 0 0 0
u n b o u n d e d