ABNF (specification)

• References section: ABNF (defining instance)

• input type=email element: value attribute
• e-mail address data type

absolute URL potentially surrounded by spaces

• absolute URL potentially surrounded by spaces data type (defining instance)

• input type=url element: value attribute
• link element: rel attribute

ambiguous ampersand

• Character references section (defining instance)

• Text and character data section: replaceable character data
• Text and character data section: non-replaceable character data

application cache manifest

• html element: manifest attribute (defining instance)

• No references in this document.

ASCII-compatible character encoding

• Character encoding declaration section (defining instance)

• Character encoding declaration section [2]
• form element: accept-charset attribute
• list of character-encoding names data type

attribute names

• Attributes section (defining instance)

• Case insensitivity in tag names and attribute names section [2]
• Attributes section
• Attributes section: empty attribute syntax
• Attributes section: unquoted attribute-value syntax
• Attributes section: single-quoted attribute-value syntax
• Attributes section: double-quoted attribute-value syntax

attribute values

• Attributes section (defining instance)

• Attributes section
• Attributes section: unquoted attribute-value syntax [2]
• Attributes section: single-quoted attribute-value syntax [2]
• Attributes section: double-quoted attribute-value syntax [2]
• Text and character data section
• area element: alt attribute
• img element: alt attribute
• Core attributes section: title attribute

attributes

• Attributes section (defining instance)

• Conformant documents in the HTML syntax section
• Elements section

BCP 47 (specification)

• References section: BCP 47 (defining instance)

• a element: hreflang attribute
• area element: hreflang attribute
• link element: hreflang attribute
• track element: srclang attribute
• Core attributes section: lang attribute
• XML attributes section: xml:lang attribute
• language tag data type

BIDI (specification)

• References section: BIDI (defining instance)

• bdi element
• bdo element

browsing context

• Terminology section: browsing context (defining instance)

• a element: target attribute
• a element: Examples
• area element: target attribute
• base element
• base element: target attribute
• button type=submit element: formtarget attribute
• iframe element: src attribute
• iframe element: srcdoc attribute
• iframe element: name attribute
• iframe element: sandbox attribute
• iframe element: seamless attribute
• input type=submit element: formtarget attribute
• input type=image element: formtarget attribute
• object element: name attribute

browsing-context name

• browsing-context name data type (defining instance)

• a element: target attribute
• area element: target attribute
• base element: target attribute
• button type=submit element: formtarget attribute
• form element: target attribute
• iframe element: name attribute
• input type=submit element: formtarget attribute
• input type=image element: formtarget attribute
• object element: name attribute
• browsing-context name or keyword data type

browsing-context name or keyword

• browsing-context name or keyword data type (defining instance)

• a element: target attribute
• area element: target attribute
• base element: target attribute
• button type=submit element: formtarget attribute
• form element: target attribute
• input type=submit element: formtarget attribute
• input type=image element: formtarget attribute

case-insensitive match

• Terminology section: case-insensitive match (defining instance)

• Case insensitivity in tag names and attribute names section [2]
• The doctype section [2] [3] [4] [5] [6] [7] [8]
• Character encoding declaration section [2]
• Attributes section [2]
• Text and character data section: replaceable character data
• Text and character data section: non-replaceable character data
• a element: target attribute
• area element: target attribute
• base element: target attribute
• button type=submit element: formtarget attribute
• form element: target attribute
• input type=submit element: formtarget attribute
• input type=image element: formtarget attribute
• meta http-equiv=refresh element: content attribute
• meta charset element: charset attribute [2] [3]
• meta http-equiv=content-type element: content attribute
• script element: charset attribute [2]
• Core attributes section: dropzone attribute
• browsing-context name or keyword data type
• character encoding name data type [2]
• meta-charset string data type
• refresh value data type
• dropzone value data type
• sandbox “allow” keywords list data type

CDATA end delimiter

• CDATA sections in SVG and MathML contents section (defining instance)

• No references in this document.

CDATA sections in SVG and MathML contents

• CDATA sections in SVG and MathML contents section (defining instance)

• SVG and MathML elements in HTML documents section

CDATA start delimiter

• CDATA sections in SVG and MathML contents section (defining instance)

• No references in this document.

character data

• Text and character data section (defining instance)

• Elements section
• SVG and MathML elements in HTML documents section [2]
• time element: Details

character encoding declaration

• Character encoding declaration section (defining instance)

• meta charset element
• meta http-equiv=content-type element
• meta http-equiv=content-type element: http-equiv attribute

character encoding name

• character encoding name data type (defining instance)

• form element: accept-charset attribute
• meta charset element: charset attribute
• meta http-equiv=content-type element: content attribute
• script element: charset attribute
• meta-charset string data type
• list of character-encoding names data type

character references

• Character references section (defining instance)

• Character encoding declaration section
• Attributes section
• Text and character data section
• Text and character data section: normal character data
• Text and character data section: replaceable character data
• Text and character data section: non-replaceable character data
• Character references section
• string data type

Character Sets (specification)

• References section: Character Sets (defining instance)

• Character encoding declaration section
• meta charset element: charset attribute
• script element: charset attribute
• character encoding name data type

circle coordinates

• circle coordinates data type (defining instance)

• area element: shape = "circle" attribute

comment end delimiter

• Comments section (defining instance)

• No references in this document.

comment start delimiter

• Comments section (defining instance)

• No references in this document.

comments

• Comments section (defining instance)

• Conformant documents in the HTML syntax section [2] [3]
• Elements section
• Text and character data section
• SVG and MathML elements in HTML documents section

content model

• Elements section (defining instance)

• Elements section

contents

• Elements section (defining instance)

• Conformant documents in the HTML syntax section
• Elements section [2] [3] [4]
• Misnested tags section [2] [3]
• Text and character data section
• a element: Details
• datalist element: Details
• textarea element: Details
• time element: Details [2]
• Core attributes section: contenteditable attribute
• Core attributes section: lang attribute
• Core attributes section: spellcheck attribute

context menu

• Core attributes section: contextmenu attribute (defining instance)

• Event-handler attributes section: oncontextmenu attribute
• Event-handler attributes section: onshow attribute

CSS (specification)

• References section: CSS (defining instance)

• Core attributes section: style attribute

date

• date data type (defining instance)

• del element: datetime attribute
• ins element: datetime attribute

date

• date data type (defining instance)

• input type=datetime-local element: min attribute
• input type=datetime-local element: max attribute
• input type=datetime-local element: value attribute
• input type=date element: min attribute
• input type=date element: max attribute
• input type=date element: value attribute
• local date and time data type

date and time

• date and time data type (defining instance)

• del element: datetime attribute
• input type=datetime element: min attribute
• input type=datetime element: max attribute
• input type=datetime element: value attribute
• ins element: datetime attribute

decimal numeric character reference

• Character references section: decimal numeric character reference (defining instance)

• Character references section

default-style name

• default-style name data type (defining instance)

• meta http-equiv=default-style element: content attribute

defined metadata name

• meta name element: Additional constraints and admonitions (defining instance)

• meta name element: Additional constraints and admonitions

deprecated doctype

• The doctype section (defining instance)

• The doctype section [2]

description list

• dl element: Details (defining instance)

• dd element: Details
• dl element
• dt element: Details

description or value

• dd element: Details (defining instance)

• dd element
• dl element: Details

doctype

• The doctype section (defining instance)

• Conformant documents in the HTML syntax section

document

• The HTML language and HTML and XML syntaxes section (defining instance)

• Documents section

document in the HTML syntax

• Conformant documents in the HTML syntax section (defining instance)

• The HTML namespace and MIME types section [2]
• Conformant documents section
• Conformant documents in the HTML syntax section
• Implied start tags and end tags section
• Case insensitivity in tag names and attribute names section
• The doctype section
• Attributes section
• Text and character data section: replaceable character data
• Text and character data section: non-replaceable character data
• SVG and MathML elements in HTML documents section [2]
• CDATA sections in SVG and MathML contents section
• XML attributes section: xml:space attribute
• XML attributes section: xml:base attribute

document in the XML syntax

• Conformant documents in the XML syntax section (defining instance)

• The HTML language and HTML and XML syntaxes section
• The HTML namespace and MIME types section [2]
• Conformant documents section
• Case insensitivity in tag names and attribute names section
• Character encoding declaration section
• Attributes section
• Text and character data section: replaceable character data
• Text and character data section: non-replaceable character data
• SVG and MathML elements in HTML documents section [2]
• noscript element: Additional constraints and admonitions
• XML attributes section: xml:space attribute
• XML attributes section: xml:base attribute

DOM (specification)

• References section: DOM (defining instance)

• Terminology section: DOM tree
• Elements section

DOM tree

• Terminology section: DOM tree (defining instance)

• Implied start tags and end tags section

double-quoted attribute value

• Attributes section: double-quoted attribute-value syntax (defining instance)

• Attributes section
• string data type

double-quoted attribute-value syntax

• Attributes section: double-quoted attribute-value syntax (defining instance)

• Attributes section

dropzone value

• dropzone value data type (defining instance)

• Core attributes section: dropzone attribute

e-mail address

• e-mail address data type (defining instance)

• input type=email element: value attribute [2]
• list of e-mail addresses data type

ECMA 262 (specification)

• References section: ECMA 262 (defining instance)

• input type=text element: pattern attribute
• input type=password element: pattern attribute
• input type=email element: pattern attribute
• input type=url element: pattern attribute
• input type=search element: pattern attribute
• input type=tel element: pattern attribute
• functionbody data type
• pattern data type

empty attribute syntax

• Attributes section: empty attribute syntax (defining instance)

• Attributes section
• Attributes section: empty attribute syntax
• audio element: autoplay attribute
• audio element: preload attribute
• audio element: controls attribute
• audio element: loop attribute
• audio element: muted attribute
• button type=submit element: disabled attribute
• button type=submit element: autofocus attribute
• button type=submit element: formnovalidate attribute
• button type=reset element: disabled attribute
• button type=reset element: autofocus attribute
• button type=button element: disabled attribute
• button type=button element: autofocus attribute
• command type=command element: disabled attribute
• command type=radio element: checked attribute
• command type=radio element: disabled attribute
• command type=checkbox element: checked attribute
• command type=checkbox element: disabled attribute
• details element: open attribute
• fieldset element: disabled attribute
• form element: novalidate attribute
• iframe element: sandbox attribute
• iframe element: seamless attribute
• img element: ismap attribute
• input type=text element: disabled attribute
• input type=text element: readonly attribute
• input type=text element: autofocus attribute
• input type=text element: required attribute
• input type=password element: disabled attribute
• input type=password element: readonly attribute
• input type=password element: autofocus attribute
• input type=password element: required attribute
• input type=checkbox element: disabled attribute
• input type=checkbox element: checked attribute
• input type=checkbox element: autofocus attribute
• input type=checkbox element: required attribute
• input type=radio element: disabled attribute
• input type=radio element: checked attribute
• input type=radio element: autofocus attribute
• input type=radio element: required attribute
• input type=button element: disabled attribute
• input type=button element: autofocus attribute
• input type=submit element: disabled attribute
• input type=submit element: autofocus attribute
• input type=submit element: formnovalidate attribute
• input type=reset element: disabled attribute
• input type=reset element: autofocus attribute
• input type=file element: disabled attribute
• input type=file element: autofocus attribute
• input type=file element: required attribute
• input type=file element: multiple attribute
• input type=hidden element: disabled attribute
• input type=image element: disabled attribute
• input type=image element: autofocus attribute
• input type=image element: formnovalidate attribute
• input type=datetime element: disabled attribute
• input type=datetime element: autofocus attribute
• input type=datetime element: readonly attribute
• input type=datetime element: required attribute
• input type=datetime-local element: disabled attribute
• input type=datetime-local element: autofocus attribute
• input type=datetime-local element: readonly attribute
• input type=datetime-local element: required attribute
• input type=date element: disabled attribute
• input type=date element: autofocus attribute
• input type=date element: readonly attribute
• input type=date element: required attribute
• input type=month element: disabled attribute
• input type=month element: autofocus attribute
• input type=month element: readonly attribute
• input type=month element: required attribute
• input type=time element: disabled attribute
• input type=time element: autofocus attribute
• input type=time element: readonly attribute
• input type=time element: required attribute
• input type=week element: disabled attribute
• input type=week element: autofocus attribute
• input type=week element: readonly attribute
• input type=week element: required attribute
• input type=number element: disabled attribute
• input type=number element: autofocus attribute
• input type=number element: readonly attribute
• input type=number element: required attribute
• input type=range element: disabled attribute
• input type=range element: autofocus attribute
• input type=email element: disabled attribute
• input type=email element: autofocus attribute
• input type=email element: readonly attribute
• input type=email element: required attribute
• input type=email element: multiple attribute
• input type=url element: disabled attribute
• input type=url element: autofocus attribute
• input type=url element: readonly attribute
• input type=url element: required attribute
• input type=search element: disabled attribute
• input type=search element: autofocus attribute
• input type=search element: readonly attribute
• input type=search element: required attribute
• input type=tel element: disabled attribute
• input type=tel element: autofocus attribute
• input type=tel element: readonly attribute
• input type=tel element: required attribute
• input type=color element: disabled attribute
• input type=color element: autofocus attribute
• keygen element: autofocus attribute
• keygen element: disabled attribute
• ol element: reversed attribute
• optgroup element: disabled attribute
• option element: disabled attribute
• option element: selected attribute
• script element: defer attribute
• script element: async attribute
• select element: disabled attribute
• select element: multiple attribute
• select element: autofocus attribute
• select element: required attribute
• style element: scoped attribute
• textarea element: disabled attribute
• textarea element: readonly attribute
• textarea element: autofocus attribute
• textarea element: required attribute
• track element: default attribute
• video element: autoplay attribute
• video element: preload attribute
• video element: controls attribute
• video element: loop attribute
• video element: muted attribute
• Core attributes section: contenteditable attribute
• Core attributes section: hidden attribute
• Core attributes section: spellcheck attribute

empty hyperlink

• a element: Details (defining instance)

• No references in this document.

encoding declaration state

• meta http-equiv=content-type element: Details (defining instance)

• Character encoding declaration section [2]
• meta http-equiv=content-type element: http-equiv attribute

end tags

• Elements section (defining instance)

• Conformant documents in the HTML syntax section
• Implied start tags and end tags section
• Elements section
• Misnested tags section [2] [3]
• SVG and MathML elements in HTML documents section

floating-point number

• floating-point number data type (defining instance)

• input type=number element: min attribute
• input type=number element: max attribute
• input type=number element: value attribute
• input type=range element: min attribute
• input type=range element: max attribute
• input type=range element: value attribute
• meter element: value attribute
• meter element: min attribute
• meter element: low attribute
• meter element: high attribute
• meter element: max attribute
• meter element: optimum attribute
• non-negative floating-point number data type

flow content

• Terminology section: flow content (defining instance)

• Terminology section: flow content
• a element: Changes in HTML5 [2]
• address element: Permitted contents
• article element: Permitted contents
• aside element: Permitted contents
• audio element: Permitted contents
• blockquote element: Permitted contents
• body element: Permitted contents
• caption element: Permitted contents
• dd element: Permitted contents
• details element: Permitted contents
• div element: Permitted contents
• dt element: Permitted contents
• fieldset element: Permitted contents
• figcaption element: Permitted contents
• figure element: Permitted contents [2]
• footer element: Permitted contents
• form element: Permitted contents
• header element: Permitted contents
• li element: Permitted contents
• menu element: Permitted contents
• nav element: Permitted contents
• object element: Permitted contents
• section element: Permitted contents
• td element: Permitted contents
• th element: Permitted contents
• video element: Permitted contents

functionbody

• functionbody data type (defining instance)

• body element: onafterprint attribute
• body element: onbeforeprint attribute
• body element: onbeforeunload attribute
• body element: onblur attribute
• body element: onerror attribute
• body element: onfocus attribute
• body element: onhashchange attribute
• body element: onload attribute
• body element: onmessage attribute
• body element: onoffline attribute
• body element: ononline attribute
• body element: onpagehide attribute
• body element: onpageshow attribute
• body element: onpopstate attribute
• body element: onresize attribute
• body element: onstorage attribute
• body element: onunload attribute
• Event-handler attributes section: onabort attribute
• Event-handler attributes section: onblur attribute
• Event-handler attributes section: oncanplay attribute
• Event-handler attributes section: oncanplaythrough attribute
• Event-handler attributes section: onchange attribute
• Event-handler attributes section: onclick attribute
• Event-handler attributes section: oncontextmenu attribute
• Event-handler attributes section: ondblclick attribute
• Event-handler attributes section: ondrag attribute
• Event-handler attributes section: ondragend attribute
• Event-handler attributes section: ondragenter attribute
• Event-handler attributes section: ondragleave attribute
• Event-handler attributes section: ondragover attribute
• Event-handler attributes section: ondragstart attribute
• Event-handler attributes section: ondrop attribute
• Event-handler attributes section: ondurationchange attribute
• Event-handler attributes section: onemptied attribute
• Event-handler attributes section: onended attribute
• Event-handler attributes section: onerror attribute
• Event-handler attributes section: onfocus attribute
• Event-handler attributes section: oninput attribute
• Event-handler attributes section: oninvalid attribute
• Event-handler attributes section: onkeydown attribute
• Event-handler attributes section: onkeypress attribute
• Event-handler attributes section: onkeyup attribute
• Event-handler attributes section: onload attribute
• Event-handler attributes section: onloadeddata attribute
• Event-handler attributes section: onloadedmetadata attribute
• Event-handler attributes section: onloadstart attribute
• Event-handler attributes section: onmousedown attribute
• Event-handler attributes section: onmousemove attribute
• Event-handler attributes section: onmouseout attribute
• Event-handler attributes section: onmouseover attribute
• Event-handler attributes section: onmouseup attribute
• Event-handler attributes section: onmousewheel attribute
• Event-handler attributes section: onpause attribute
• Event-handler attributes section: onplay attribute
• Event-handler attributes section: onplaying attribute
• Event-handler attributes section: onprogress attribute
• Event-handler attributes section: onratechange attribute
• Event-handler attributes section: onreadystatechange attribute
• Event-handler attributes section: onreset attribute
• Event-handler attributes section: onscroll attribute
• Event-handler attributes section: onseeked attribute
• Event-handler attributes section: onseeking attribute
• Event-handler attributes section: onselect attribute
• Event-handler attributes section: onshow attribute
• Event-handler attributes section: onstalled attribute
• Event-handler attributes section: onsubmit attribute
• Event-handler attributes section: onsuspend attribute
• Event-handler attributes section: ontimeupdate attribute
• Event-handler attributes section: onvolumechange attribute
• Event-handler attributes section: onwaiting attribute

hash-name reference

• hash-name reference data type (defining instance)

• img element: usemap attribute [2]
• object element: usemap attribute [2]

hexadecimal numeric character reference

• Character references section: hexadecimal numeric character reference (defining instance)

• Character references section

HTML consumers

• Terminology section: HTML consumers (defining instance)

• Introduction section [2] [3]

HTML elements

• HTML elements section (defining instance)

• Introduction section
• Case insensitivity in tag names and attribute names section [2] [3] [4]
• Elements section

HTML language

• The HTML language and HTML and XML syntaxes section (defining instance)

• Introduction section
• The HTML language and HTML and XML syntaxes section [2]
• Elements section
• Global attributes section

HTML namespace

• The HTML namespace and MIME types section (defining instance)

• The HTML namespace and MIME types section [2]

HTML parser

• The HTML language and HTML and XML syntaxes section (defining instance)

• No references in this document.

HTML producers

• Terminology section: HTML producers (defining instance)

• Introduction section

HTML syntax

• The HTML language and HTML and XML syntaxes section (defining instance)

• The HTML language and HTML and XML syntaxes section [2]
• Conformant documents in the XML syntax section
• HTML syntax section [2]
• Elements section
• Attributes section
• Text and character data section: replaceable character data
• Text and character data section: non-replaceable character data
• meta http-equiv=content-type element: content attribute
• meta-charset string data type

HTML5 (specification)

• References section: HTML5 (defining instance)

• Introduction section
• Terminology section: must
• Terminology section: resolve a URL
• Terminology section: top-level browsing context
• Character references section: named character reference
• Character references section
• link element: rel attribute
• meta name element: name attribute
• time element: datetime attribute
• time-datetime data type

HTML5 for Web Authors (specification)

• References section: HTML5 for Web Authors (defining instance)

• Introduction section

ID

• ID data type (defining instance)

• Core attributes section: id attribute

ID reference

• ID reference data type (defining instance)

• button type=submit element: form attribute
• button type=reset element: form attribute
• button type=button element: form attribute
• fieldset element: form attribute
• input type=text element: form attribute
• input type=text element: list attribute
• input type=password element: form attribute
• input type=checkbox element: form attribute
• input type=radio element: form attribute
• input type=button element: form attribute
• input type=submit element: form attribute
• input type=reset element: form attribute
• input type=file element: form attribute
• input type=hidden element: form attribute
• input type=image element: form attribute
• input type=datetime element: form attribute
• input type=datetime element: list attribute
• input type=datetime-local element: form attribute
• input type=datetime-local element: list attribute
• input type=date element: form attribute
• input type=date element: list attribute
• input type=month element: form attribute
• input type=month element: list attribute
• input type=time element: form attribute
• input type=time element: list attribute
• input type=week element: form attribute
• input type=week element: list attribute
• input type=number element: form attribute
• input type=number element: list attribute
• input type=range element: form attribute
• input type=range element: list attribute
• input type=email element: form attribute
• input type=email element: list attribute
• input type=url element: form attribute
• input type=url element: list attribute
• input type=search element: form attribute
• input type=search element: list attribute
• input type=tel element: form attribute
• input type=tel element: list attribute
• input type=color element: form attribute
• input type=color element: list attribute
• keygen element: form attribute
• label element: for attribute
• label element: form attribute
• object element: form attribute
• output element: form attribute
• output element: for attribute
• select element: form attribute
• td element: headers attribute
• textarea element: form attribute
• th element: headers attribute
• Core attributes section: contextmenu attribute
• list of ID references data type

integer

• integer data type (defining instance)

• area element: shape = "rect" attribute [2] [3] [4] [5]
• area element: shape = "circle" attribute [2]
• area element: shape = "poly" attribute
• li element: value attribute
• ol element: start attribute
• Core attributes section: tabindex attribute
• rectangle coordinates data type [2] [3] [4] [5]
• circle coordinates data type [2]
• polygon coordinates data type

language tag

• language tag data type (defining instance)

• a element: hreflang attribute
• area element: hreflang attribute
• link element: hreflang attribute
• track element: srclang attribute
• Core attributes section: lang attribute
• XML attributes section: xml:lang attribute

legacy-tool-compatible doctype

• The doctype section (defining instance)

• The doctype section [2]

list of character-encoding names

• list of character-encoding names data type (defining instance)

• form element: accept-charset attribute

list of e-mail addresses

• list of e-mail addresses data type (defining instance)

• input type=email element: value attribute

list of ID references

• list of ID references data type (defining instance)

• output element: for attribute
• td element: headers attribute
• th element: headers attribute

list of key labels

• list of key labels data type (defining instance)

• Core attributes section: accesskey attribute

list of MIME types

• list of MIME types data type (defining instance)

• input type=file element: accept attribute

local date and time

• local date and time data type (defining instance)

• input type=datetime-local element: min attribute
• input type=datetime-local element: max attribute
• input type=datetime-local element: value attribute

marked as self-closing

• SVG and MathML elements in HTML documents section (defining instance)

• SVG and MathML elements in HTML documents section [2] [3]

Media Queries (specification)

• References section: Media Queries (defining instance)

• a element: media attribute
• area element: media attribute
• link element: media attribute
• source element: media attribute
• style element: media attribute
• media-query list data type

media-query list

• media-query list data type (defining instance)

• a element: media attribute
• area element: media attribute
• link element: media attribute
• source element: media attribute
• style element: media attribute

media source

• source element: Details (defining instance)

• source element
• source element: src attribute
• source element: type attribute [2]
• source element: media attribute [2]

meta-charset string

• meta-charset string data type (defining instance)

• meta http-equiv=content-type element: content attribute

MIME type

• MIME type data type (defining instance)

• a element: type attribute
• area element: type attribute
• embed element: type attribute
• input type=file element: accept attribute
• link element: type attribute
• object element: type attribute
• script element: type attribute
• source element: type attribute
• style element: type attribute
• list of MIME types data type

misnested tag

• Misnested tags section (defining instance)

• Misnested tags section

month

• month data type (defining instance)

• input type=month element: min attribute
• input type=month element: max attribute
• input type=month element: value attribute

must

• Terminology section: must (defining instance)

• The HTML namespace and MIME types section [2]
• Conformant documents in the HTML syntax section [2]
• Conformant documents in the XML syntax section [2] [3] [4] [5]
• Case insensitivity in tag names and attribute names section [2]
• The doctype section
• Character encoding declaration section [2] [3] [4] [5] [6] [7] [8] [9]
• Elements section [2] [3] [4] [5]
• Misnested tags section
• Attributes section [2] [3]
• Attributes section: unquoted attribute-value syntax [2] [3] [4]
• Attributes section: single-quoted attribute-value syntax
• Attributes section: double-quoted attribute-value syntax
• Text and character data section [2] [3] [4]
• Text and character data section: normal character data
• Text and character data section: replaceable character data [2] [3] [4]
• Text and character data section: non-replaceable character data [2] [3] [4]
• Comments section [2] [3] [4]
• SVG and MathML elements in HTML documents section [2] [3]
• CDATA sections in SVG and MathML contents section
• del element: datetime attribute
• form element: accept-charset attribute
• iframe element: name attribute [2]
• input type=text element: pattern attribute
• input type=password element: pattern attribute
• input type=datetime element: min attribute
• input type=datetime element: max attribute
• input type=datetime element: value attribute
• input type=email element: pattern attribute
• input type=url element: pattern attribute
• input type=search element: pattern attribute
• input type=tel element: pattern attribute
• ins element: datetime attribute
• link element: sizes attribute
• map element: name attribute [2]
• meta name element: Additional constraints and admonitions
• meta name element: application-name
• meta name element: author
• meta name element: description
• meta name element: generator
• meta name element: keywords
• object element: name attribute [2]
• time element: datetime attribute [2]
• Core attributes section: accesskey attribute
• Core attributes section: id attribute [2] [3]
• XML attributes section: xml:space attribute
• XML attributes section: xml:base attribute
• set of comma-separated strings data type [2]
• browsing-context name data type [2]
• ID data type [2]
• name data type [2]
• positive integer data type
• positive floating-point number data type
• date and time data type
• time-datetime data type [2]
• sizes data type
• list of key labels data type
• list of character-encoding names data type
• pattern data type

name

• name data type (defining instance)

• map element: name attribute

named character reference

• Character references section: named character reference (defining instance)

• Character references section

namespace-well-formed

• Conformant documents in the XML syntax section (defining instance)

• No references in this document.

Namespaces in XML (specification)

• References section: Namespaces in XML (defining instance)

• The HTML language and HTML and XML syntaxes section
• Conformant documents in the XML syntax section
• HTML syntax section

newline

• Terminology section: newline (defining instance)

• No references in this document.

non-empty string

• non-empty string data type (defining instance)

• form element: name attribute
• input type=text element: dirname attribute
• input type=image element: alt attribute
• input type=search element: dirname attribute
• textarea element: dirname attribute

non-empty URL potentially surrounded by spaces

• non-empty URL potentially surrounded by spaces data type (defining instance)

• audio element: src attribute
• button type=submit element: formaction attribute
• command type=checkbox element: icon attribute
• embed element: src attribute
• form element: action attribute
• html element: manifest attribute
• iframe element: src attribute
• img element: src attribute
• input type=submit element: formaction attribute
• input type=image element: src attribute
• input type=image element: formaction attribute
• link element: href attribute
• object element: data attribute
• script element: src attribute
• source element: src attribute
• track element: src attribute
• video element: poster attribute
• video element: src attribute

non-negative floating-point number

• non-negative floating-point number data type (defining instance)

• progress element: value attribute
• positive floating-point number data type

non-negative integer

• non-negative integer data type (defining instance)

• area element: shape = "circle" attribute
• canvas element: height attribute
• canvas element: width attribute
• embed element: height attribute
• embed element: width attribute
• iframe element: width attribute
• iframe element: height attribute
• img element: height attribute
• img element: width attribute
• input type=text element: maxlength attribute
• input type=password element: maxlength attribute
• input type=image element: height attribute
• input type=image element: width attribute
• input type=email element: maxlength attribute
• input type=url element: maxlength attribute
• input type=search element: maxlength attribute
• input type=tel element: maxlength attribute
• link element: sizes attribute
• meta http-equiv=refresh element: content attribute [2]
• object element: height attribute
• object element: width attribute
• td element: rowspan attribute
• textarea element: maxlength attribute
• th element: rowspan attribute
• video element: height attribute
• video element: width attribute
• positive integer data type
• sizes data type
• refresh value data type [2]
• circle coordinates data type

non-replaceable character data

• Text and character data section: non-replaceable character data (defining instance)

• Text and character data section
• script element: Permitted contents
• style element: Permitted contents

normal character data

• Text and character data section: normal character data (defining instance)

• Terminology section: flow content
• Terminology section: phrasing content
• Text and character data section
• SVG and MathML elements in HTML documents section
• iframe element: Permitted contents
• option element: Permitted contents

normal doctype

• The doctype section (defining instance)

• The doctype section [2]

omitted

• Elements section (defining instance)

• Conformant documents in the HTML syntax section
• Implied start tags and end tags section
• Conformant documents in the XML syntax section
• Elements section [2] [3]

ordered set of unique space-separated tokens

• ordered set of unique space-separated tokens data type (defining instance)

• form element: accept-charset attribute
• Core attributes section: accesskey attribute
• list of key labels data type
• list of character-encoding names data type

pattern

• pattern data type (defining instance)

• input type=text element: pattern attribute
• input type=password element: pattern attribute
• input type=email element: pattern attribute
• input type=url element: pattern attribute
• input type=search element: pattern attribute
• input type=tel element: pattern attribute

permitted-public-ID-system-ID-combination

• The doctype section (defining instance)

• The doctype section

phrasing content

• Terminology section: phrasing content (defining instance)

• SVG and MathML elements in HTML documents section
• HTML elements organized by function section
• HTML elements section
• a element: Changes in HTML5
• abbr element: Permitted contents
• audio element: Permitted contents
• b element: Permitted contents
• bdi element: Permitted contents
• bdo element: Permitted contents
• button type=submit element: Permitted contents
• button type=reset element: Permitted contents
• button type=button element: Permitted contents
• cite element: Permitted contents
• code element: Permitted contents
• datalist element: Permitted contents
• dfn element: Permitted contents
• em element: Permitted contents
• h1 element: Permitted contents
• h2 element: Permitted contents
• h3 element: Permitted contents
• h4 element: Permitted contents
• h5 element: Permitted contents
• h6 element: Permitted contents
• i element: Permitted contents
• kbd element: Permitted contents
• label element: Permitted contents
• legend element: Permitted contents
• mark element: Permitted contents
• meter element: Permitted contents
• object element: Permitted contents
• output element: Permitted contents
• p element: Permitted contents
• pre element: Permitted contents
• progress element: Permitted contents
• q element: Permitted contents
• rp element: Permitted contents
• rt element: Permitted contents
• ruby element: Permitted contents
• s element: Permitted contents
• samp element: Permitted contents
• small element: Permitted contents
• span element: Permitted contents
• strong element: Permitted contents
• sub element: Permitted contents
• summary element: Permitted contents
• sup element: Permitted contents
• time element: Permitted contents
• u element: Permitted contents
• var element: Permitted contents
• video element: Permitted contents

placeholder hyperlink

• a element: href attribute (defining instance)

• a element: Examples

polygon coordinates

• polygon coordinates data type (defining instance)

• area element: shape = "poly" attribute

positive floating-point number

• positive floating-point number data type (defining instance)

• input type=datetime element: step attribute
• input type=datetime-local element: step attribute
• input type=time element: step attribute
• input type=number element: step attribute
• input type=range element: step attribute
• progress element: max attribute

positive integer

• positive integer data type (defining instance)

• col element: span attribute
• colgroup element: span attribute
• input type=text element: size attribute
• input type=password element: size attribute
• input type=date element: step attribute
• input type=month element: step attribute
• input type=week element: step attribute
• input type=email element: size attribute
• input type=url element: size attribute
• input type=search element: size attribute
• input type=tel element: size attribute
• select element: size attribute
• td element: colspan attribute
• textarea element: rows attribute
• textarea element: cols attribute
• th element: colspan attribute

public ID

• The doctype section (defining instance)

• The doctype section

rectangle coordinates

• rectangle coordinates data type (defining instance)

• area element: shape = "rect" attribute

refresh value

• refresh value data type (defining instance)

• meta http-equiv=refresh element: content attribute

registered metadata name

• meta name element: Additional constraints and admonitions (defining instance)

• meta name element: Additional constraints and admonitions

replaceable character data

• Text and character data section: replaceable character data (defining instance)

• Text and character data section
• textarea element: Permitted contents
• title element: Permitted contents

resolve a URL

• Terminology section: resolve a URL (defining instance)

• No references in this document.

RFC 1034 (specification)

• References section: RFC 1034 (defining instance)

• input type=email element: value attribute
• e-mail address data type

RFC 2046 (specification)

• References section: RFC 2046 (defining instance)

• a element: type attribute
• area element: type attribute
• embed element: type attribute
• link element: type attribute
• object element: type attribute
• script element: type attribute
• source element: type attribute
• style element: type attribute
• MIME type data type

RFC 3339 (specification)

• References section: RFC 3339 (defining instance)

• del element: datetime attribute [2]
• input type=datetime element: min attribute
• input type=datetime element: max attribute
• input type=datetime element: value attribute
• input type=date element: min attribute
• input type=date element: max attribute
• input type=date element: value attribute
• input type=time element: min attribute
• input type=time element: max attribute
• input type=time element: value attribute
• ins element: datetime attribute [2]
• time element: datetime attribute [2] [3] [4]
• date and time data type
• date data type [2]
• time-datetime data type [2] [3] [4]
• time data type

RFC 3987 (specification)

• References section: RFC 3987 (defining instance)

• URL data type
• absolute URL potentially surrounded by spaces data type

RFC 5322 (specification)

• References section: RFC 5322 (defining instance)

• input type=email element: value attribute
• e-mail address data type

root element

• Conformant documents in the XML syntax section (defining instance)

• No references in this document.

sandbox “allow” keywords list

• sandbox “allow” keywords list data type (defining instance)

• iframe element: sandbox attribute [2]

set of comma-separated strings

• set of comma-separated strings data type (defining instance)

• input type=file element: accept attribute
• input type=email element: value attribute
• meta name element: keywords
• list of MIME types data type
• list of e-mail addresses data type

set of space-separated tokens

• set of space-separated tokens data type (defining instance)

• a element: rel attribute
• area element: rel attribute
• Core attributes section: class attribute
• unordered set of unique space-separated tokens data type
• ordered set of unique space-separated tokens data type

simple color

• simple color data type (defining instance)

• input type=color element: value attribute

single-quoted attribute value

• Attributes section: single-quoted attribute-value syntax (defining instance)

• Attributes section
• string data type

single-quoted attribute-value syntax

• Attributes section: single-quoted attribute-value syntax (defining instance)

• Attributes section

sizes

• sizes data type (defining instance)

• link element: sizes attribute

space

• Terminology section: space (defining instance)

• Conformant documents in the HTML syntax section [2] [3]
• The doctype section [2] [3] [4] [5] [6] [7] [8] [9] [10] [11]
• Elements section [2] [3]
• Attributes section
• Attributes section: unquoted attribute-value syntax [2] [3] [4]
• Attributes section: single-quoted attribute-value syntax [2]
• Attributes section: double-quoted attribute-value syntax [2]
• Text and character data section
• Text and character data section: replaceable character data
• Text and character data section: non-replaceable character data
• body element: Tag omission
• colgroup element: Tag omission
• head element: Tag omission
• iframe element: sandbox attribute
• map element: name attribute
• meta http-equiv=refresh element: content attribute
• meta http-equiv=content-type element: content attribute
• Core attributes section: id attribute
• set of comma-separated strings data type [2]
• token data type
• set of space-separated tokens data type
• ID data type
• name data type
• URL potentially surrounded by spaces data type
• non-empty URL potentially surrounded by spaces data type
• absolute URL potentially surrounded by spaces data type
• meta-charset string data type
• refresh value data type
• sandbox “allow” keywords list data type

start tags

• Elements section (defining instance)

• Conformant documents in the HTML syntax section
• Implied start tags and end tags section
• Elements section
• Misnested tags section [2]
• SVG and MathML elements in HTML documents section

string

• string data type (defining instance)

• a element: target attribute
• area element: target attribute
• audio element: mediagroup attribute
• base element: target attribute
• button type=submit element: name attribute
• button type=submit element: value attribute
• button type=submit element: formtarget attribute
• button type=reset element: name attribute
• button type=reset element: value attribute
• button type=button element: name attribute
• button type=button element: value attribute
• command type=command element: label attribute
• command type=radio element: radiogroup attribute
• command type=radio element: label attribute
• command type=checkbox element: label attribute
• fieldset element: name attribute
• form element: target attribute
• iframe element: srcdoc attribute
• iframe element: name attribute
• input type=text element: name attribute
• input type=password element: name attribute
• input type=checkbox element: name attribute
• input type=checkbox element: value attribute
• input type=radio element: name attribute
• input type=radio element: value attribute
• input type=button element: name attribute
• input type=button element: value attribute
• input type=submit element: name attribute
• input type=submit element: value attribute
• input type=submit element: formtarget attribute
• input type=reset element: name attribute
• input type=reset element: value attribute
• input type=file element: name attribute
• input type=hidden element: name attribute
• input type=hidden element: value attribute
• input type=image element: name attribute
• input type=image element: formtarget attribute
• input type=datetime element: name attribute
• input type=datetime-local element: name attribute
• input type=date element: name attribute
• input type=month element: name attribute
• input type=time element: name attribute
• input type=week element: name attribute
• input type=number element: name attribute
• input type=range element: name attribute
• input type=email element: name attribute
• input type=url element: name attribute
• input type=search element: name attribute
• input type=tel element: name attribute
• input type=color element: name attribute
• keygen element: challenge attribute
• keygen element: name attribute
• map element: name attribute
• menu element: label attribute
• meta name element: name attribute
• meta name element: content attribute
• object element: name attribute
• optgroup element: label attribute
• option element: label attribute
• option element: value attribute
• output element: name attribute
• param element: name attribute
• param element: value attribute
• script element: language attribute
• select element: name attribute
• table element: border attribute
• textarea element: name attribute
• track element: label attribute
• video element: mediagroup attribute
• Core attributes section: Any string with three characters or more, beginning with the literal string "string:".
• Core attributes section: Any string with three characters or more, beginning with the literal string "file:".
• Core attributes section: id attribute
• Core attributes section: style attribute
• set of comma-separated strings data type
• token data type
• browsing-context name data type
• browsing-context name or keyword data type
• ID data type
• name data type
• default-style name data type
• dropzone value data type: Any string with three characters or more, beginning with the literal string "string:".
• dropzone value data type: Any string with three characters or more, beginning with the literal string "file:".

string without line breaks

• string without line breaks data type (defining instance)

• input type=text element: value attribute
• input type=text element: placeholder attribute
• input type=password element: value attribute
• input type=password element: placeholder attribute
• input type=number element: placeholder attribute
• input type=email element: placeholder attribute
• input type=url element: placeholder attribute
• input type=search element: placeholder attribute
• input type=search element: value attribute
• input type=tel element: placeholder attribute
• input type=tel element: value attribute
• textarea element: placeholder attribute

SVG and MathML elements

• SVG and MathML elements in HTML documents section (defining instance)

• No references in this document.

system ID

• The doctype section (defining instance)

• The doctype section

tag names

• Elements section (defining instance)

• Case insensitivity in tag names and attribute names section [2]
• Elements section [2]

tags

• Elements section (defining instance)

• No references in this document.

term or name

• dt element: Details (defining instance)

• dl element: Details
• dt element

text

• Text and character data section (defining instance)

• Attributes section
• Text and character data section
• Text and character data section: normal character data
• Text and character data section: replaceable character data
• Text and character data section: non-replaceable character data
• Character references section [2]
• Comments section [2]
• CDATA sections in SVG and MathML contents section
• string data type

text content

• Elements section (defining instance)

• No references in this document.

time

• time data type (defining instance)

• input type=datetime-local element: min attribute
• input type=datetime-local element: max attribute
• input type=datetime-local element: value attribute
• input type=time element: min attribute
• input type=time element: max attribute
• input type=time element: value attribute
• local date and time data type

time-datetime

• time-datetime data type (defining instance)

• time element: datetime attribute

token

• token data type (defining instance)

• set of space-separated tokens data type

top-level browsing context

• Terminology section: top-level browsing context (defining instance)

• iframe element: sandbox attribute

transparent

• Terminology section: transparent (defining instance)

• a element: Permitted contents
• a element: Changes in HTML5
• audio element: Permitted contents
• canvas element: Permitted contents
• del element: Permitted contents
• ins element: Permitted contents
• map element: Permitted contents
• noscript element: Permitted contents
• object element: Permitted contents
• video element: Permitted contents

UA

• Terminology section: UA (defining instance)

• Implied start tags and end tags section

unordered set of unique space-separated tokens

• unordered set of unique space-separated tokens data type (defining instance)

• link element: sizes attribute
• output element: for attribute
• td element: headers attribute
• th element: headers attribute
• Core attributes section: dropzone attribute
• list of ID references data type
• sizes data type
• dropzone value data type
• sandbox “allow” keywords list data type [2]

unquoted attribute value

• Attributes section: unquoted attribute-value syntax (defining instance)

• Attributes section
• string data type

unquoted attribute-value syntax

• Attributes section: unquoted attribute-value syntax (defining instance)

• Conformant documents in the XML syntax section
• Attributes section

URL

• URL data type (defining instance)

• meta http-equiv=refresh element: content attribute
• URL potentially surrounded by spaces data type [2]
• non-empty URL potentially surrounded by spaces data type
• refresh value data type

URL potentially surrounded by spaces

• URL potentially surrounded by spaces data type (defining instance)

• a element: href attribute
• area element: href attribute
• base element: href attribute
• blockquote element: cite attribute
• command type=command element: icon attribute
• command type=radio element: icon attribute
• del element: cite attribute
• ins element: cite attribute
• q element: cite attribute
• XML attributes section: xml:base attribute

void element

• Elements section (defining instance)

• Elements section [2] [3] [4]
• area element: Permitted contents
• area element: Tag omission
• base element: Permitted contents
• base element: Tag omission
• br element: Permitted contents
• br element: Tag omission
• col element: Permitted contents
• col element: Tag omission
• command type=command element: Permitted contents
• command type=command element: Tag omission
• command type=radio element: Permitted contents
• command type=radio element: Tag omission
• command type=checkbox element: Permitted contents
• command type=checkbox element: Tag omission
• embed element: Permitted contents
• embed element: Tag omission
• hr element: Permitted contents
• hr element: Tag omission
• img element: Permitted contents
• img element: Tag omission
• input type=text element: Permitted contents
• input type=text element: Tag omission
• input type=password element: Permitted contents
• input type=password element: Tag omission
• input type=checkbox element: Permitted contents
• input type=checkbox element: Tag omission
• input type=radio element: Permitted contents
• input type=radio element: Tag omission
• input type=button element: Permitted contents
• input type=button element: Tag omission
• input type=submit element: Permitted contents
• input type=submit element: Tag omission
• input type=reset element: Permitted contents
• input type=reset element: Tag omission
• input type=file element: Permitted contents
• input type=file element: Tag omission
• input type=hidden element: Permitted contents
• input type=hidden element: Tag omission
• input type=image element: Permitted contents
• input type=image element: Tag omission
• input type=datetime element: Permitted contents
• input type=datetime element: Tag omission
• input type=datetime-local element: Permitted contents
• input type=datetime-local element: Tag omission
• input type=date element: Permitted contents
• input type=date element: Tag omission
• input type=month element: Permitted contents
• input type=month element: Tag omission
• input type=time element: Permitted contents
• input type=time element: Tag omission
• input type=week element: Permitted contents
• input type=week element: Tag omission
• input type=number element: Permitted contents
• input type=number element: Tag omission
• input type=range element: Permitted contents
• input type=range element: Tag omission
• input type=email element: Permitted contents
• input type=email element: Tag omission
• input type=url element: Permitted contents
• input type=url element: Tag omission
• input type=search element: Permitted contents
• input type=search element: Tag omission
• input type=tel element: Permitted contents
• input type=tel element: Tag omission
• input type=color element: Permitted contents
• input type=color element: Tag omission
• keygen element: Permitted contents
• keygen element: Tag omission
• link element: Permitted contents
• link element: Tag omission
• meta name element: Permitted contents
• meta name element: Tag omission
• meta http-equiv=refresh element: Permitted contents
• meta http-equiv=refresh element: Tag omission
• meta http-equiv=default-style element: Permitted contents
• meta http-equiv=default-style element: Tag omission
• meta charset element: Permitted contents
• meta charset element: Tag omission
• meta http-equiv=content-type element: Permitted contents
• meta http-equiv=content-type element: Tag omission
• param element: Permitted contents
• param element: Tag omission
• source element: Permitted contents
• source element: Tag omission
• track element: Permitted contents
• track element: Tag omission
• wbr element: Permitted contents
• wbr element: Tag omission

void elements in HTML

• Elements section (defining instance)

• No references in this document.

week

• week data type (defining instance)

• input type=week element: min attribute
• input type=week element: max attribute
• input type=week element: value attribute

XML (specification)

• References section: XML (defining instance)

• The HTML language and HTML and XML syntaxes section
• HTML syntax section
• Character encoding declaration section
• Elements section
• Attributes section [2]
• Text and character data section: replaceable character data
• Text and character data section: non-replaceable character data
• SVG and MathML elements in HTML documents section
• XML attributes section: xml:lang attribute
• XML attributes section: xml:space attribute

XML-compatible

• Attributes section (defining instance)

• No references in this document.

XML declaration

• Character encoding declaration section (defining instance)

• No references in this document.

XML Entities (specification)

• References section: XML Entities (defining instance)

• Character references section: named character reference

XML parser

• The HTML language and HTML and XML syntaxes section (defining instance)

• No references in this document.

XML syntax

• The HTML language and HTML and XML syntaxes section (defining instance)

• The HTML language and HTML and XML syntaxes section [2]
• HTML syntax section
• Elements section
• Text and character data section: replaceable character data
• Text and character data section: non-replaceable character data
• meta charset element: charset attribute
• meta http-equiv=content-type element: content attribute
• meta-charset string data type

XMLBase (specification)

• References section: XMLBase (defining instance)

• XML attributes section: xml:base attribute

zero

• zero data type (defining instance)

• img element: border attribute