Kanji numbering is done incorrectly (xsl:number with format token x4e00).
See https://sourceforge.net/projects/saxon/forums/forum/94027/topic/2187064/index/page/1
A patch for 9.2 (class AbstractNumberer) is being placed in Subversion.
Fixed in 9.3.0.1
Fixed in 9.3.0.1