{ "parse": { "title": "A&b", "pageid": 0, "displaytitle": "a&b" } }
https://www.mediawiki.org/w/api.php?action=parse&format=json&formatversion=2&title=A%26b&prop=displaytitle&text=foo answers with:
{ "parse": { "title": "A&b", "pageid": 0, "displaytitle": "A&b" } }
Expected result:
{ "parse": { "title": "A&b", "pageid": 0, "displaytitle": "A&b" } }
with correct HTML encoding A&b instead of A&b.
| Subject | Repo | Branch | Lines +/- | |
|---|---|---|---|---|
| Encode & to & in displaytitle fallback | mediawiki/core | master | +63 -9 |
This affects also the displaytitle on https://www.mediawiki.org/wiki/A&B?action=info.
And also https://www.mediawiki.org/w/api.php?action=query&formatversion=2&prop=info&inprop=displaytitle&titles=A%26B with the current response
{ "batchcomplete": true, "query": { "pages": [ { "ns": 0, "title": "A&B", "missing": true, "contentmodel": "wikitext", "pagelanguage": "en", "pagelanguagehtmlcode": "en", "pagelanguagedir": "ltr", "displaytitle": "A&B" } ] } }
The two examples from https://html.spec.whatwg.org/#syntax-errors
<a href="?bill&ted">Bill and Ted</a> <!-- &ted is ok, since it's not a named character reference --> <a href="?art&copy">Art and Copy</a> <!-- the & has to be escaped, since © is a named character reference -->
shows the problem with HTML entities. This is visible on https://www.mediawiki.org/wiki/art©?action=info:
Information for "Art©"
Basic information
Display title Art© Default sort key Art©
because it contains:
<tr id="mw-pageinfo-display-title"><td style="vertical-align: top;">Display title</td><td>Art©</td></tr> <tr id="mw-pageinfo-default-sort"><td style="vertical-align: top;">Default sort key</td><td>Art&copy</td></tr>
Change 725873 had a related patch set uploaded (by Fomafix; author: Fomafix):
[mediawiki/core@master] [WIP] Encode & by & in displaytitle fallback
Change 725873 merged by Fomafix:
[mediawiki/core@master] Encode & to & in displaytitle fallback
Hi there, it seems like this has make a big problem,
Have a look at
https://zh.wikipedia.org/w/index.php?title=IPhone_XS&oldid=68055910
https://zh.wikipedia.org/w/index.php?oldid=68234793
Seems like html tag can't use after this marge.
@Jonathan5566 Can you create a new but report?
zhwiki is strange. On a preview I can set arbitrary title with a {{DISPLAYTITLE:...}}. This should be normally not possible.
I found the reason for the different behavior on zhwiki. On zhwiki is:
$wgRestrictDisplayTitle = false
A
{{DISPLAYTITLE:iPhone Xs}}and a
{{DISPLAYTITLE:iPhone X<span style="font-variant: small-caps; text-transform: lowercase;">S</span>}}still works with $wgRestrictDisplayTitle = false.
{ "parse": { "title": "A&b", "pageid": 0, "displaytitle": "A&b" } }
https://www.mediawiki.org/wiki/A&B?action=info contains
<td>A&B</td>
{ "batchcomplete": true, "query": { "pages": [ { "ns": 0, "title": "A&B", "missing": true, "contentmodel": "wikitext", "pagelanguage": "en", "pagelanguagehtmlcode": "en", "pagelanguagedir": "ltr", "displaytitle": "A&B" } ] } }