X3D version 4.0 was approved by Web3D Consortium and ISO in 2023.[/X3D, diagnostic]
X3D version 4.0 offers many new features including interoperability with HTML5, glTF
2.0 Physically Based Rendering (PBR), and Web Audio API.[/X3D, diagnostic]
<meta name='warning' content='Note that X3D Canonicalization (C14N) will scrub alternate
XML character representations,
be careful to check original encoding into version control.'/> [/X3D/head/meta[6], diagnostic]
<meta name='warning' content='Usually this source document needs to be inspected and
edited using a plain-text editor
in order to see the differences in these XML-equivalent text representations.'/> [/X3D/head/meta[7], diagnostic]
<Text DEF='' string='"I don't think so" "" "he said \"Hi\""'/> has 8 quote marks with
at least one escaped quote mark \" so double-check to ensure paired
"quote marks" for each line are matched [/X3D/Scene/Transform[2]/Shape/Text, warning]
<Text DEF='' string='"I don't think so" "" "he said \"Hi\""'/> has 8 quote marks with
at least one escaped quote mark \" so double-check to ensure paired
"quote marks" for each line are matched [/X3D/Scene/Transform[3]/Shape/Text, warning]