Talk:Reading/Web/PDF Functionality

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About this board

About giving feedback

Please read Reading/Web/PDF Functionality and comment on the plans we lay out there, to tell us what you need from the PDF service. We're especially interested in what you need in the future that doesn't exist in the plans laid out there – if there's a bug with something that should work right now (e.g. you get an error message when you try to create a PDF), we need to fix it, of course, but that would have been on the agenda.


- Kerning and spacing issues ( there has been a few reports on spacing issues within PDF rendering. The readers web team is currently looking into a solution. We will first be updating the fonts for PDFs ( over the week of November 27. This will resolve some but not all of the spacing issues. We'll be looking further into the remaining issues after the initial fix.

- Update on the book creator. We're still in the process of performance testing the new renderer ( Once this stage is complete, we will be able to provide more details on its capacity to render books. (talkcontribs)

Just tried to download and create a PDF of an article - the button doesn't work.

28 November 2017 @1414 AST

Johan (WMF) (talkcontribs)

Could you give us a bit more information – which article, what browser you are using?

This comment was hidden by 2405:204:E38C:CB47:8B97:5947:AA4E:944D (history) (talkcontribs)

Just tried to download and create a PDF of an article - in Turkish the button doesn't work.

I'm using Puffinbrowser because otherwise I can't access Wikipedia

Thanks for your interest (talkcontribs)

The page is

Three days of the condor in Turkish

OVasileva (WMF) (talkcontribs)

Thanks for your report. Was this on desktop or mobile? Also, could you give us the operating system you were using and the version of puffinbrowser? We have encountered some issues with the PDF button on mobile that we are currently tracking here:

Reply to "The Download Button isn't working"

Some mathematical expressions are missing in some articles

4 (talkcontribs)

Consider the following article on Markov chains:

and generate the pdf out of it. Starting from the chapter 'Transient evolution', most of the mathematical expressions are not displayed in the pdf. Some of them are partly displayed (like some glitch), some are not displayed at all.

This does not send a good signal, and one would become paranoid of checking if all its pdf-generated articles from wikipedia are well rendered compared to the real on-line articles, especially with math expressions.

Johan (WMF) (talkcontribs)


This comment was hidden by Johan (WMF) (history)
OVasileva (WMF) (talkcontribs)

Thank you for your report. Could you give us some detail on which browser and operating system you were using when you encountered the bug? I was not able to reproduce on Chrome 62.0.3202.94

Reply to "Some mathematical expressions are missing in some articles"

The new pdf formatting is very poor for this article!

This comment was hidden by (history) (talkcontribs)

Text formatting is still having major problems. (Page I downloaded: )

Character overlapping is appearing everywhere. It's not solely the result of justified layout--single-line paragraphs and last line of paragraphs have the problem also.

Capture of a section as it appears in my pdf:

This comment was hidden by (history) (talkcontribs)

The Pdf files I created for term Majapahit under Bahasa Indonesia, seems very crowded, all the fonts too much small.

OVasileva (WMF) (talkcontribs)

Thank you for your report. This issues is something we're already looking into. You can check on our progress here:

Reply to "The new pdf formatting is very poor for this article!"
C933103 (talkcontribs)

I was trying to print as a pdf, however I was presented with an unknown error while doing so (Note that the source page will be deleted in 7 days span so it'd not be reproducible after that)

Armstongsangle (talkcontribs)

egypt sir

C933103 (talkcontribs)


TheDJ (talkcontribs)

You cannot currently print an old version to PDF, so while the print succeeded for me this time, I got the deletion log or something that is now on the current version of that page.

Not sure what was wrong before.

C933103 (talkcontribs)

humm whn I opened the issue, i was not able to get any pdf file, instead I was simply given a line of error in the browser screen. Now that the error no longer appear and bit can generate a deletion log pdf, I guess ot can be seen as "cannot be reproduce"? Or was there any known problem to the server when I was posting the question? (talkcontribs)

C'est plutot contraignant mashallah (talkcontribs)

GG boys, great job

Reply to "Error"
2804:D4B:4494:EE00:B558:4C15:F820:385 (talkcontribs)

Por favor, voltem com funcionalidade de poder descarregar em pdf, era uma ferramenta muito boa e uma opção a mais com as pessoas que não querem utilizar os artigos em formato livro (talkcontribs)

Funktioniert bei mir einwandfrei. - No problems during convertation. (talkcontribs)

Can you please change the font of the text? It is not interesting at all to read.

Reply to "PDF"

Size of the mathematical expressions too large compared to regular text

4 (talkcontribs)

Generally speaking, the size of the mathematical expression is tremendously huge compared to the rest of the text. This is true for equations with inline mode but equations for display mode are even bigger.

I suggest that something should be done to correct this if this is possible. If not, we will live with it but it's a typographic flaw.

Johan (WMF) (talkcontribs)


This comment was hidden by Johan (WMF) (history)
OVasileva (WMF) (talkcontribs)

Thanks for your report, we are currently tracking this under this task:

Reply to "Size of the mathematical expressions too large compared to regular text" (talkcontribs)

I'm trying to export a sheet listing the state protected monuments found in the Indian state of Tamil Nadu. When I try to use the export PDF functionality, there are many entries missing.

CKoerner (WMF) (talkcontribs)

Hm, could you please provide a link to the page you're having a problem with? (talkcontribs)

Sure. Here is the link to the page I tried to export to PDF.

CKoerner (WMF) (talkcontribs)

I tried to see what was going on and I think I figured out the issue. My exported PDF is 13 pages long with the last page break in the table at "N-TN-C382"

I exported the table from the wiki page into a spreadsheet. There's a total of 144 entries. Exporting a PDF and doing the same gave me a different number of rows. What it looks like, to me, is that the page breaks are sometimes breaking up a row and splitting it into two pages.

I'm not exactly able to replicate the error you describe. Can you tell me more about what you see?

This comment was hidden by (history)
CKoerner (WMF) (talkcontribs)

In my experience (yours may vary due to differences in the software being use) I've been able to select the contents of a wiki table and copy/past them into a blank spreadsheet. It's not a straightforward export feature, and may require some clean-up, but it might be a viable solution for this need.

OVasileva (WMF) (talkcontribs)

Hi - thanks for your report. We don't currently have a way to export a page into .xlm format. I also tested the article - were the issues you were seeing due to missing entries or entries having strange/inconsistent page breaks? When trying on chrome 62.0 I wasn't able to replicate any of the issues. Another option would be to try to use the browser printing functionality and then safe the file as a PDF although I am not sure how you would convert it to an .xlm afterwards. (talkcontribs)

Inconsistent page breaks. That's a shame, would've saved a lot of trouble. I'll try your suggestion.

Thanks anyways.

Reply to "Missing Entries" (talkcontribs)

The PDFs that are produced have too much whitespace and the print is TOO SMALL. It is hard to read.

Also: the PDF and the browser print feature are now the same. I like having the variety.

Johan (WMF) (talkcontribs)

Thank you for your feedback.

Reply to "Print is too small."

Few issues with PDF rendering of an article

Kaartic (talkcontribs)

I noted a few issues with the PDF version of the following article w:en:Statistical classification

Few issues I noted

1. A space is missing between "of" and "pattern recognition" at the end of the first paragraph.

2. The words "or" and "distance" overlap at the end of the second paragraph

I'll attach a screen if required.

TheDJ (talkcontribs)

These are known issues, currently being tracked at phab:T178665. Thank you for taking the time to report them however. It is much appreciated.

Reply to "Few issues with PDF rendering of an article"

don't change the things which are working

Summary by Kaartic

The old PDF feature was actually not working. It had been gradually breaking down for a long time. (talkcontribs)

it worked well, not now anymore. why do you change something as usual ? never you understand that lesson ? dumbass (talkcontribs)

precisely why do you replace something which works by something which don't yet ?

Johan (WMF) (talkcontribs)

Please refrain from calling people "dumbass". That's poisoning the discussion climate, which we don't allow. Civility is a core value on the Wikimedia wikis. You don't need to agree, but you need to disagree in a civil manner or you will no longer be able to write here.

As explained on Reading/Web/PDF Functionality it was actually not working. It had been gradually breaking down for a long time, and got to the point where we didn't have the resources to keep the old version up (not without sacrificing something else important).

Johan (WMF) (talkcontribs)

Please rest assured that it's unlikely that most organisations will ever enjoy switching from one PDF renderer to another enough that they will do it if everything is working fine and there are no problems to solve.