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Validator.nu Common Input Parameters
Validator.nu accepts the following parameters regardless of input method. How these parameters are communicated depends on the input method.
Validator.nu has a generic facet at http://validator.nu/ and an (X)HTML5 facet at http://html5.validator.nu/. Some parameters apply only to the generic facet. All parameters listed here are optional.
Parameters for both the generic and HTML5 facets
out
| Value | Format |
|---|---|
| none | HTML |
xhtml
|
XHTML |
xml
|
XML |
json
|
JSON |
gnu
|
GNU error format |
text
|
Human-readable text (not for machine parsing) |
showsource
The only supported value is yes which means that source is shown (if supported by the output format).
level
The only supported value is error which means that only errors and non-document errors are reported. That is, informative messages including warnings are not reported.
nsfilter
Space-separated list of XML namespace URIs. Elements (and their children) and attributes in those namespaces are filtered out between the XML parser and the validation layer. The filtered elements participate in ID uniqueness checking. The filter doesn’t apply to HTML parser.
Parameters for the generic facet only
schema
This parameter takes a space-separated list of schema IRIs (http or https). The schemas can be RELAX NG 1.0 schemas, Schematron 1.5 schemas or identifiers for built-in non-schema-based checkers.
laxtype
The only supported value is yes which means that RFC 3023 character encoding defaults are disrespected and text/html is accepted as an XML MIME type.
parser
| Value | Meaning |
|---|---|
| none | Choice of HTML or XML parser is based on Content-Type. HTML parser configuration is based on doctype. XML parser does not load external entities.
|
xml
|
XML parser, will not load external entities |
xmldtd
|
XML parser, will load external entities |
html
|
HTML parser, configuration is based on doctype. |
html5
|
HTML parser in the HTML5 mode. |
html4
|
HTML parser insisting on HTML 4.01 Strict doctype and emitting additional HTML 4 errors that are not HTML5 errors. |
html4tr
|
HTML parser insisting on HTML 4.01 Transitional doctype and emitting additional HTML 4 errors that are not HTML5 errors. |