230777 - border-collapse: collapse creates hidden lines in page

Status: RESOLVED DUPLICATE of bug 225266

(Firefox :: General, defect)

Description

[David Härdeman]

User-Agent:       Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6b) Gecko/20040105 Firebird/0.7+
Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6b) Gecko/20040105 Firebird/0.7+

If I make a page containing tables that have the CSS "border-collapse: collapse"
property set, hidden lines are added that become visible under some cirumstances
(generally when a partial redraw of the rendered page is needed)

Reproducible: Always

Steps to Reproduce:
1. Load test case
2. Move pointer to the right of table and click middle mouse button so that
transparent caret icon appears
3. Alternatively, move another window such as an xterm over the rendered page to
that Firebird needs to redraw
Actual Results:  
A hidden line appears

Expected Results:  
Nothing

Comment 1

[David Härdeman]

Attachment: Testcase

Comment 2

[David Härdeman]

Attachment: Page when newly rendered

Comment 3

[David Härdeman]

Attachment: Page after scroll caret reveals hidden lines

Comment 4

[David Härdeman]

I just tested this with Mozilla 1.5 (Mozilla/5.0 (X11; U; Linux i686; en-US;
rv:1.5) Gecko/20031107 Debian/1.5-3) and it does not have this bug.

Comment 5

[Sebastian Brocks]

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.6b) Gecko/20040102
Firebird/0.7+

Confirming this bug.

Comment 6

[David Baron :dbaron: (⌚️UTC-5, no longer working on Mozilla)]

This should be fixed in trunk builds.  If this isn't fixed in a trunk build,
please reopen and move to Browser / Layout: Tables and reassign.

*** This bug has been marked as a duplicate of 225266 ***