764741 - Table cell borders missing: should reprocess borders collapsed by "border-collapse: collapse" if some rows are hidden with "display:none"

Status: UNCONFIRMED

(Core :: Layout: Tables, defect, P3)

Description

[Tibor Nagy]

Attachment: bad_table.html

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20100101 Firefox/12.0
Build ID: 2012042100

Steps to reproduce:

I have loaded the attached HTML, which contains a very simple table, with some rows hidden. If the last or the last but one <tbody> section is removed, then the tables is displayed correctly.
Note, that in Chrome, Opera, Safari and IE the table appears correctly.


Actual results:

The table cell borders are incorrect. All vertical borders are missing and also some of the horizontal ones.


Expected results:

All table cell borders should appear.

Comment 1

[Tibor Nagy]

The problem is the same on all windows and linux and from Firefox 3.6.x to 13.0.

Comment 2

[Tibor Nagy]

The problem is the same on 14.0b6.

Comment 3

[mjh563]

This is probably a dupe of an existing border-collapse bug, because the borders in the testcase show up OK when border-collapse: collapse is removed.

Comment 4

[Andre Klapper]

Comment 3 is correct, but they also show up if you do not use <tr style="display:none"> in your HTML code. Elements with 'display: none' are not rendered so I don't see a bug here.

Comment 5

[Tibor Nagy]

I disagree with comment 4. If table row is hidden, the border of the previous and next rows should appear.

Comment 6

[[:Aleksej]]

Maybe duplicate of bug 217769 (though I don't fully understand what that bug is about)?

Comment 7

[Michael Hohner]

Attachment: tfoot_css.html

Comment 8

[Michael Hohner]

Still occurs in FF 89. New test case attached. Chrome and Edge handle this correctly.

Comment 9

[maidema3458]

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