HTML 5/ XHTML Validation

SLB 2.0 RC3 gives validation errors for XHTML 1.0 transitional due to custom attribute ‘data-slb-group’. Custom attributes validate for HTML5, but not the far more common XHTML 1.1 on most WordPress sites. SLB 2.0 needs to support both doc types.

http://ww.wp.xz.cn/plugins/simple-lightbox/