Template is broken when doi field in bibliography happens to split over a page boundary

[ejgallego]

Dear acmart devs,

after updating to the latest template, the dreaded

13.13
! pdfTeX error (ext4): \pdfendlink ended up in different nesting level than \pd
fstartlink.
\@EveryShipout@Output ...@Org@Shipout \box \@cclv 

appears in our paper, in this concrete case:

• setup a bibliography which uses doi field
• have that biblio entry to happen as the last item of a page, in such a way that the doi link will split to the next page

This is a very serious problem as there is no way to disable the doi display, and this happens as you are working in the paper and things move.

[ozross]

Hi Emilio, Boris.

This kind of thing can happen with any hyperlink having quite long anchor text.

Try to use \enlargethispage{..amount..} anywhere on that page, to keep the entire link on a single page.

Another possibility is to manually split the textual anchor, giving both parts the same target URL. This way you have 2 links, rather than just one, with each complete on its own page.

Hope this helps.

Ross

On 28/06/2021, at 6:34, "Emilio Jesús Gallego Arias" @.@.>> wrote:

Dear acmart devs,

after updating to the latest template, the dreaded

13.13 ! pdfTeX error (ext4): \pdfendlink ended up in different nesting level than \pd fstartlink. @EveryShipout@Output ...@Org@Shipout \box @.***

appears in our paper, in this concrete case:

• setup a bibliography which uses doi field
• have that biblio entry to happen as the last item of a page, in such a way that the doi link will split to the next page

This is a very serious problem as there is no way to disable the doi display, and this happens as you are working in the paper and things move.

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[ejgallego]

Hi @ozross , thanks a lot for quick reply!

Indeed, it is possible to manually workaround this problem, however, when developing a paper, this becomes very costly as any change in the layout of the paper may have the problem re-appearing.

I wonder if a more robust workaround could be implemented? Usually with biblatex it is easy to temporary disable links in the biblio, so I dunno how we could approach this.