1726376 - [XFA] An extra empty page is shown in print preview

Status: NEW

(Firefox :: PDF Viewer, defect, P3)

Description

[Daniel Bodea [:danibodea]]

Attachment: 551551e9-c2f8-466d-835b-24e72638a33a.pdf

Note

• When the user loads a specific PDF file and prints it, he will notice that the browser's printed version adds an extra empty page to the bottom.

Affected versions

• Nightly v92.0b5

Affected platforms

• all

Steps to reproduce

1. Launch browser.
2. Flip "pdfjs.enableXfa" to true.
3. Load the attached PDF file.
4. Notice the number of pages it has; Then Ctrl + P
5. Scroll to the bottom of the print preview.

Expected result

• The print preview has the same number of pages as the document itself. It has no empty pages at the end.

Actual result

• The print preview has an extra page as the document itself. An empty page is observed at the bottom.

Regression range

• This is a regression of:
  Bug 1724461 - Update pdf.js to version 2.11.91 r=pdfjs-reviewers,calixte
  Differential Revision: https://phabricator.services.mozilla.com/D122023

Additional information

• Appears to be a general issue.

Comment 1

[Daniel Bodea [:danibodea]]

New information about this issue is that the extra empty page appears in print preview on ALL tested PDF forms and, more importantly, when physically printing them, the extra page is not being output. It only shows in print preview.

Comment 2

[Kenan]

This is a regression from https://github.com/mozilla/pdf.js/pull/13852

And this PR is related to https://bugzilla.mozilla.org/show_bug.cgi?id=1723705, which is reopened.