Difference between revisions of "HTML entity"
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* [http://htmlhelp.com/reference/html40/entities/ HTML 4.0 entities] | * [http://htmlhelp.com/reference/html40/entities/ HTML 4.0 entities] | ||
* [https://developers.whatwg.org/named-character-references.html#named-character-references Named character references], in alphabetical order, including newer ones not supported by most browsers | * [https://developers.whatwg.org/named-character-references.html#named-character-references Named character references], in alphabetical order, including newer ones not supported by most browsers | ||
+ | * [https://www.freeformatter.com/html-entities.html HTML Entity List]: "Complete list of HTML entities with their numbers and names. Also included is a full list of ASCII characters that can be represented in HTML (i.e. printable characters)." | ||
+ | |||
==Questions== | ==Questions== | ||
* Does [[Google]] resolve html entities when indexing web pages? That is, if I spelled a word (e.g. "schmerglefrotz") entirely using html entities, would someone be able to find that page using google by typing "schmerglefrotz" (after the site had been spidered, of course)? (As a test, I will spell a completely different word using HTML entities, and try Googling it later: '''FRELGKLOTZ''') | * Does [[Google]] resolve html entities when indexing web pages? That is, if I spelled a word (e.g. "schmerglefrotz") entirely using html entities, would someone be able to find that page using google by typing "schmerglefrotz" (after the site had been spidered, of course)? (As a test, I will spell a completely different word using HTML entities, and try Googling it later: '''FRELGKLOTZ''') | ||
** '''2007-07-15 answer''': Yes, it does find it (though it took several months at least before this page got indexed). | ** '''2007-07-15 answer''': Yes, it does find it (though it took several months at least before this page got indexed). | ||
** '''2016-11-28 answer''': Searching for the word in question no longer produces any results. Neither does searching for "schmerglefrotz". | ** '''2016-11-28 answer''': Searching for the word in question no longer produces any results. Neither does searching for "schmerglefrotz". | ||
+ | |||
+ | ==Note== | ||
+ | * '''2017-11-11''' MediaWiki 1.28.0 apparently no longer supports the "&#d;" style of entity; you now have to use named entities. | ||
+ | * '''2020-05-23''' This seems to have been fixed? | ||
==Entities by Number== | ==Entities by Number== | ||
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! colspan=3 style="border-bottom: 1px solid blue;" | lower ASCII || colspan=4 style="border-bottom: 1px solid green;" | upper ASCII | ! colspan=3 style="border-bottom: 1px solid blue;" | lower ASCII || colspan=4 style="border-bottom: 1px solid green;" | upper ASCII | ||
|- | |- | ||
− | | | + | | style="border:#0d0 1px solid; padding: 2px;" | |
{| | {| | ||
− | | | + | {{show/entity/row|#33}} |
− | + | {{show/entity/row|#34}} | |
− | + | {{show/entity/row|#35}} | |
− | | | + | {{show/entity/row|#36}} |
− | + | {{show/entity/row|#37}} | |
− | | | + | {{show/entity/row|#38}} {{show/entity|amp}} |
− | + | {{show/entity/row|#39}} | |
− | | | + | {{show/entity/row|#40}} |
− | + | {{show/entity/row|#41}} | |
− | | | + | {{show/entity/row|#42}} |
− | + | {{show/entity/row|#43}} | |
− | | | + | {{show/entity/row|#44}} |
− | + | {{show/entity/row|#45}} | |
− | | | + | {{show/entity/row|#46}} |
− | + | {{show/entity/row|#47}} | |
− | | | + | {{show/entity/row|#48}} |
− | + | {{show/entity/row|#49}} | |
− | | | + | {{show/entity/row|#50}} |
− | + | {{show/entity/row|#51}} | |
− | | | + | {{show/entity/row|#52}} |
− | + | {{show/entity/row|#53}} | |
− | | | + | {{show/entity/row|#54}} |
− | + | {{show/entity/row|#55}} | |
− | | | + | {{show/entity/row|#56}} |
− | + | {{show/entity/row|#57}} | |
− | | | + | {{show/entity/row|#58}} |
− | + | {{show/entity/row|#59}} | |
− | | | + | {{show/entity/row|#60}} |
− | + | {{show/entity/row|#61}} | |
− | | | + | {{show/entity/row|#62}} |
− | + | {{show/entity/row|#63}} | |
− | | | + | {{show/entity/row|#64}} |
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|} | |} | ||
− | | | + | | style="border:#0d0 1px solid; padding: 2px;" | |
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|} | |} | ||
− | + | ==Entities by Appearance== | |
+ | * {{show/entity|rsquo}} - right single-quote | ||
+ | * {{show/entity|lsquo}} - left single-quote | ||
+ | * {{show/entity|Alpha}} - Greek letter alpha (upper) | ||
+ | * {{show/entity|Beta}} - Greek letter beta (upper) | ||
+ | * {{show/entity|Gamma}} - Greek letter gamma (upper) | ||
+ | * {{show/entity|Delta}} - Greek letter delta (upper) | ||
+ | * {{show/entity|alpha}} - Greek letter alpha (lower) | ||
+ | * {{show/entity|beta}} - Greek letter beta (lower) | ||
+ | * {{show/entity|gamma}} - Greek letter gamma (lower) | ||
+ | * {{show/entity|delta}} - Greek letter delta (lower) | ||
+ | ===Roman alphabet=== | ||
+ | {| border=1 | ||
+ | |- | ||
+ | ! upper || lower || mnemonics | ||
+ | |- | ||
+ | | {{show/entity|#193}} - '''A''' with acute accent | ||
+ | | {{show/entity|#225}} - '''a''' with acute accent | ||
+ | | {{show/entity|Aacute}} {{show/entity|aacute}} | ||
+ | |- | ||
+ | | | ||
+ | | {{show/entity|#257}} - '''a''' with macron | ||
+ | |- | ||
+ | | | ||
+ | | {{show/entity|#259}} - '''a''' with {{l/mw|caron}} | ||
+ | |- | ||
+ | | {{show/entity|#268}} - '''C''' with {{l/mw|caron}} | ||
+ | | {{show/entity|#269}} - '''c''' with {{l/mw|caron}} | ||
+ | | {{show/entity|Ccaron}} {{show/entity|ccaron}} | ||
+ | |} | ||
− | + | ==Links== | |
− | * | + | * {{wikipedia|List of XML and HTML character entity references}} - a more complete list |
− |
Latest revision as of 21:15, 26 April 2021
About
An HTML entity is a combination of characters which will be displayed within an HTML browser as a single character. All HTML entities begin with "&" (ampersand) and end with ";" (semicolon). Many entities have mnemonic names (such as "&", which displays an ampersand); any possible character can be displayed as an entity by using the format "&#number;" where number is the output character's ASCII value in decimal.
see also: wikipedia:Percent-encoding
Reference
- Wikipedia
- HTML 4.0 entities
- Named character references, in alphabetical order, including newer ones not supported by most browsers
- HTML Entity List: "Complete list of HTML entities with their numbers and names. Also included is a full list of ASCII characters that can be represented in HTML (i.e. printable characters)."
Questions
- Does Google resolve html entities when indexing web pages? That is, if I spelled a word (e.g. "schmerglefrotz") entirely using html entities, would someone be able to find that page using google by typing "schmerglefrotz" (after the site had been spidered, of course)? (As a test, I will spell a completely different word using HTML entities, and try Googling it later: FRELGKLOTZ)
- 2007-07-15 answer: Yes, it does find it (though it took several months at least before this page got indexed).
- 2016-11-28 answer: Searching for the word in question no longer produces any results. Neither does searching for "schmerglefrotz".
Note
- 2017-11-11 MediaWiki 1.28.0 apparently no longer supports the "&#d;" style of entity; you now have to use named entities.
- 2020-05-23 This seems to have been fixed?
Entities by Number
- 0-8 are not translated
- 9 is probably TAB
- 10 is probably LF
- 13 is probably CR
- 14-31 are not translated
- 32 is a standard space
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Entities by Appearance
’
: ’ - right single-quote‘
: ‘ - left single-quoteΑ
: Α - Greek letter alpha (upper)Β
: Β - Greek letter beta (upper)Γ
: Γ - Greek letter gamma (upper)Δ
: Δ - Greek letter delta (upper)α
: α - Greek letter alpha (lower)β
: β - Greek letter beta (lower)γ
: γ - Greek letter gamma (lower)δ
: δ - Greek letter delta (lower)
Roman alphabet
upper | lower | mnemonics |
---|---|---|
Á : Á - A with acute accent
|
á : á - a with acute accent
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Á : Á á : á
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ā : ā - a with macron
| ||
ă : ă - a with caron
| ||
Č : Č - C with caron
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č : č - c with caron
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Č : Č č : č
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Links
- Wikipedia - a more complete list