officialSpecificationURL

4 triples
GPTKB property

Random triples
Subject Object
gptkb:XHTML1.0 https://www.w3.org/TR/xhtml1/
gptkb:CSS_Flexible_Box_Layout_Module https://www.w3.org/TR/css-flexbox-1/
gptkb:CSS_Multicolumn_Layout https://www.w3.org/TR/css-multicol-1/
gptkb:CSS_Grid_Layout_Module https://www.w3.org/TR/css-grid-1/