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Template name case-sensitivity code review

I have reviewed the code and found that it did case-insensitive template name searching. ie. {{FIN}} matched {{Fin}}, which is wrong. In wikitext, template names are case-sensitive, except for the first character. Although for wiktionaries, the first character is also case-sensitive. I have modified Checkwiki to query each wiki that it processes to determine its template name first character case-sensitivity. All Checkwiki template name searching now conforms to the wikitext case-sensitivity specification.

The following rules were affected:

003 - Reference list missing
028 - Table without correct end (A template can be used to insert a table end)
061 - Reference before punctuation (A reference can be specified with a template)
067 - Reference after punctuation (The template processing code is also used for abbreviation checking. Abbreviation checking was case-insensitive, it is now case-sensitive. frwiki uses this error.)
078 - Reference list duplication
111 - Ref after last reference list

The updated code is been installed. --Bamyers99 (talk) 17:29, 11 May 2025 (UTC)[reply]

False positives on error #85 - Tags without content

There are some tags without content which are still used to simulate anchors, e.g. <span class="anchor" id="Final"></span>. See Help:Links or Help:Link. I guess they should be ignored somehow so they don't appear in the list of articles. A hint in the description of error #85 would be nice too. Thanks for your work. Benjavalero (talk) 07:05, 12 May 2025 (UTC)[reply]

@Benjavalero: This is now fixed. --Bamyers99 (talk) 20:23, 12 May 2025 (UTC)[reply]

Latest svwiki update replaced by one that is two months old

Yesterday we had a dump from 2025-05-20 that had been updated 2025-05-22. Today we have one that is from 2025-03-20 and updated 2025-05-24. What has happened? Plumbum208 (talk) 20:54, 24 May 2025 (UTC)[reply]

@Plumbum208: The dump scanner was not coded properly to handle the case where the newest dump file disappears from the Wikimedia dump file system. The disappearing files (all April/May dumps) caused it to reprocess the last dump that was still in the file system (2025-03-20). The disappearing files has been reported to the Wikimedia dumps mailing list. The checkwiki dump scanner has been updated to only process a dump file if it is newer than the last good dump scan. --Bamyers99 (talk) 23:22, 24 May 2025 (UTC)[reply]

Thank you for the clarification and for your work with Check Wikipedia. Plumbum208 (talk) 07:29, 25 May 2025 (UTC)[reply]

Old dumps were reprocessed after the newest dump file disappeared

Several projects are affected by the disappearance of their May 20 dump file from the Mediawiki dump file system. The disappearance has been reported to the Wikimedia dumps mailing list. The checkwiki dump scanner was not coded to handle this situation and reprocessed an older dump that was still in the file system. The dump scanner has been updated to only process a dump file if it is newer than the previous successful scan.

The projects that are scanned daily based on recent changes are not affected by this issue.--Bamyers99 (talk) 23:34, 24 May 2025 (UTC)[reply]

CheckWiki - 404 Not Found

Moin Bamyers99, and together, in the last days (my feeling is, since the time of the activation of the new auth-system) i got more an more often the page when i try to open CheckWiki "404 Not Found" and text "The URL you have requested, https://checkwiki.toolforge.org/cgi-bin/checkwiki.cgi, doesn't seem to actually exist." Yesterday I had to open it three times before it worked and i was really slow by clicking through the IDs. Is this known and if, what can I do. I checked Edge, FireFox, Chrome and Opera on Windows 10, Windows 11 and Ubuntu 24.04. King Regards --Crazy1880 (talk) 08:04, 8 June 2025 (UTC)[reply]

I confirm. Croquemort Nestor (talk) 08:39, 8 June 2025 (UTC)[reply]

@Crazy1880 and Croquemort Nestor: The webservice is having some kind of problem and keeps restarting itself. I have not been able to figure out what the problem is. Seems to be ok at the moment. What 'new auth-system' are you talking about? --Bamyers99 (talk) 12:19, 8 June 2025 (UTC)[reply]

Moin Bamyers99, there was a change or the login to Wikipedia/Wikimedia vom login.wikimedia.org to auth.wikimedia.org, and my feeling is, that from that time the webservice was/is slowing down, but i cannot say 100 % it is like that. Is there anything else i can help, when its not running? Regards --Crazy1880 (talk) 08:30, 9 June 2025 (UTC)[reply]

Hello, same erratic behaviour this morning french time : once it works, next moment "Webservice is unreachable". Croquemort Nestor (talk) 07:00, 10 June 2025 (UTC)[reply]

@Croquemort Nestor: I have just doubled the cpu time allocated to the web service. Hopefully this will help it keep up with the bot traffic. --Bamyers99 (talk) 12:18, 10 June 2025 (UTC)[reply]

Works fine today. Thanks. Croquemort Nestor (talk) 10:25, 11 June 2025 (UTC)[reply]

Major screw up

While trying to improve the performance of checkwiki, I accidentally deleted the errors table while trying to change a table index. All errors have been lost. I will rerun the dump files starting with dewiki. The daily errors for today will still be reported as normal. Sorry. --Bamyers99 (talk) 16:29, 8 June 2025 (UTC)[reply]

Hi @Bamyers99, Just wondering do you know when Simple Wikipedia will be scanned/done roughly ?, There's no rush I just didn't want to continue running Check Wiki every day if for instance it wouldn't be done until a week-3 weeks later,

Of course I appreciate these things take time and I also appreciate you have a life as we all do so I'm not asking for it to be done etc - just wondering if there's a timeframe so I can take a break checking every day :), Enjoy your day/evening Bamyers, Thanks, Warm Regards, –Davey2010^Talk 19:10, 11 June 2025 (UTC)[reply]

@Davey2010: Just ran it. --Bamyers99 (talk) 21:42, 11 June 2025 (UTC)[reply]

Check Wikipedia is behaving like that Katy Perry song, it's hot, then it's cold, it's yes, then it's no, it's in, then it's out, it's up, then it's down... - FakirNL (talk) 07:28, 18 June 2025 (UTC)[reply]

@FakirNL: I have restarted the web server. --Bamyers99 (talk) 11:49, 18 June 2025 (UTC)[reply]

White lists

Hi @Bamyers99. I have a question regarding articles that have been added to white lists. When I call checkarticle.cgi, is there a way to know if the error would be detected if the article wasn't on a white list ? WPCleaner has a function to clean white lists, but it's not behaving well because I don't know how to decide if it's still relevant to keep an article on the white list. NicoV ^{(Talk on frwiki)} 08:14, 3 August 2025 (UTC)[reply]

@NicoV: These are reported with an error line of "<article> is in whitelist with error: <error number>". Example Monkey with error 34. --Bamyers99 (talk) 15:55, 3 August 2025 (UTC)[reply]

Thanks ! I will include this in WPCleaner. NicoV ^{(Talk on frwiki)} 18:41, 3 August 2025 (UTC)[reply]

Missing error numbers at Wikipedia:WikiProject Check Wikipedia/List of errors

Wikipedia:WikiProject Check Wikipedia/List of errors appears to be missing a few error descriptions from its list. Is there someone here who has the knowledge to add them in the proper format? I'm seeing these subpages that do not appear to be listed. There may be more.

Thanks. – Jonesey95 (talk) 22:31, 4 August 2025 (UTC)[reply]

Hi @Jonesey95.

My fault, they're errors reported by WPCleaner only, I will try to complete the description.

Most of them are available in frwiki. NicoV ^{(Talk on frwiki)} 06:05, 6 August 2025 (UTC)[reply]

Hi @Jonesey95.

I added descriptions up to 583, which is the latest error detected by WPCleaner. NicoV ^{(Talk on frwiki)} 06:48, 6 August 2025 (UTC)[reply]

Thank you. The page looks great. – Jonesey95 (talk) 07:04, 6 August 2025 (UTC)[reply]

New template: Template:Wrong ISBN

Errors 70-73 can be really time-consuming to fix (and sometimes almost impossible if the sources are in languages you don't read), so for editors who want to mark those articles as something for them or others to come back to, I've made Template:Wrong ISBN, which sends to Category:Articles with incorrect ISBNs. Moose (talk) 21:34, 10 August 2025 (UTC)[reply]

I don't think this template as currently constructed is helpful, and it may be redundant. Putting a banner at the top of the page, as at Music of Brazil, is not helpful to editors who are trying to track down incorrect ISBNs. That article contains 19 ISBNs, by my count, but none of them were marked individually as incorrect. Expecting editors to check all 19 ISBNs is not reasonable. A better approach is to wrap the ISBNs in the {{ISBN}} template, which will create red error messages after the invalid ISBNs and categorize the article in Category:Pages with ISBN errors.

Is there a use case for this new template that is better than just wrapping ISBNs in the existing ISBN template? – Jonesey95 (talk) 00:13, 11 August 2025 (UTC)[reply]

Add viwiki

Please add viwki to this project. Translation page: vi:Wikipedia:Dự án/Check Wikipedia/Bản dịch. Thanks. CHÓ VÀNG HÀI HƯỚC 🗿 14:05, 23 August 2025 (UTC)[reply]

@Chó Vàng Hài Hước: It has been added: viwiki. --Bamyers99 (talk) 18:47, 24 August 2025 (UTC)[reply]

Adding a link to history

Hello, I have been working on this project for many years on eswiki, so thank you! I am asking (almost begging) if it is possible to add a new link to the history of the article in the single-page view (article details). Some errors are vandalism, and a link to the history would greatly improve my workflow (yes, it's a bit selfish, sorry about that!) The link could be placed right next to the edit link. Thanks for your consideration! Superzerocool (talk) 12:09, 3 September 2025 (UTC)[reply]

@Superzerocool: A history link has been added.--Bamyers99 (talk) 14:57, 3 September 2025 (UTC)[reply]

Oh god... thanks a lot <3 Superzerocool (talk) 17:30, 3 September 2025 (UTC)[reply]

Citation needed tags when a citation is already there

Please see Wikipedia:Village pump (proposals)#Fact tags after refs, which is about sentences like this: "Colorless green ideas sleep furiously.^[1]^{[citation needed]}". WhatamIdoing (talk) 15:09, 12 September 2025 (UTC)[reply]

Error #67 on jawiki

Thank you very much for your continuous support. In Japanese, there are eight types of punctuation marks commonly used: "。" "、" "，" "．" "：" "；" "？", and "！". In addition, according to the guideline at ja:Help:脚注#スタイルと用法, it is specified that references should be placed before "、" or "。" in Japanese texts. Therefore, regarding the jawiki case of cwid:67 "Reference after punctuation", could you please consider modifying checkwiki so that it can detect these eight punctuation marks ("。", "、", "，", "．", "：", "；", "？", "！") specifically for jawiki? --Oyyo37 (talk) 08:14, 2 October 2025 (UTC)[reply]

@Oyyo37: The 8 punctuation marks have been added to #067 for jawiki. --Bamyers99 (talk) 17:57, 2 October 2025 (UTC)[reply]

I've confirmed it. I really appreciate your help.--Oyyo37 (talk) 10:23, 6 October 2025 (UTC)[reply]