199935 - [em] borders don't draw correctly when text zoom set to less than 100%

Status: RESOLVED DUPLICATE of bug 176237

(Core :: Layout: Block and Inline, defect)

Description

[Mark Tranchant]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.3) Gecko/20030312
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.3) Gecko/20030312

The menu boxes on my site (URL supplied) have a 1px black border. With text zoom
set to less than 100% (e.g. 90%), the bottom border of the boxes is often not drawn.

If it doesn't occur straight away, browse around to pop up second level boxes.

Reproducible: Always

Steps to Reproduce:
1. Load up the URL
2. Set text zoom to 90%, or press Ctrl-minus
3. Observe the missing bottom borders on the menu boxes

Actual Results:  
Often (but not always, and variable dependent on number of boxes shown), the
bottom border is either not drawn, or drawn then obscured.

Expected Results:  
Drawn the border...

Comment 1

[Chris Casciano]

page uses lots of em based heights & widths and so my impression is this is a
rounding error (seeing this on 2003032908 OS X as well).

QA note: make sure to turn off your min font size before testing!

-> Confirming All/All & Block & Inline and marking it a blocker of bug 63336
(someone really needs to clean up all those reports and multiple trackign bugs
just dupe everything that needs to be duped)

Comment 2

[Mark Tranchant]

Attachment: Screenshot of the problem

http://www.tranchant.freeserve.co.uk/ at 90% zoom on Mozilla 1.3 / Win2000.

Comment 3

[David Baron :dbaron: (⌚️UTC-4, no longer working on Mozilla)]

I see the problem on the right border at some zooms and on the bottom border on
other zooms.

*** This bug has been marked as a duplicate of 176237 ***