337852 - Digits change font when they are near BOM

Status: RESOLVED DUPLICATE of bug 332649

(Core :: Graphics, defect)

Description

[Niro]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9a1) Gecko/20060512 Minefield/3.0a1
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9a1) Gecko/20060512 Minefield/3.0a1

See testcase for details.

Reproducible: Always

Comment 1

[Niro]

Attachment: testcase

Comment 2

[Niro]

Regression range:
2006-04-29-04 
2006-04-30-05

Comment 3

[Simon Montagu :smontagu]

This was presumably exposed by bug 335816, but I'm not sure what the underlying issue is (and bug 335816 should only have affected the raw BOM, not the numeric entities in lines 2 and 4 of the test case).

Comment 4

[Niro]

Simon, you probably right.
The regression in comment #2 is only for numeric BOM (Lines 1 and 3).
regression range for HTML BOM is earlier (I'll check it)

Comment 5

[Niro]

(In reply to comment #3)
>  bug 335816 should only have affected the raw BOM, not the numeric
> entities in lines 2 and 4 of the test case).
> 
numeric BOMs are in lines 1 and 3, isn't?
regression range for HTML BOM (lines 2 and 4) is:
20060222 - 20060226 
It may be cairo-related.
Should I report it as a separete bug?

Comment 6

[Simon Montagu :smontagu]

No need for a new bug: in my opinion the regression between 2006-02-22 and 2006-02-26 is the bug, and as you say is probably connected to cairo font fallback from bug 324560. Bug 335816 just removed the inconsistency.

To clarify terminology: what I call a numeric entity is what you call an HTML BOM, i.e. ""

Comment 7

[Niro]

Attachment: Screenshot

Comment 8

[Simon Montagu :smontagu]

With respect to the underlying cause, does thebes have any equivalent to the patch from bug 205387?

Comment 9

[Justin Kerk]

Confirming.
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9a1) Gecko/20060516 Minefield/3.0a1 ID:2006051606 [cairo]

This doesn't happen with a non-Cairo build so I'm moving it to the GFX: Thebes component.

I suspect bug 332649 is the actual reason that the font is changing.

Comment 10

[Justin Kerk]

This seems to have been fixed by the patch for bug 340590.

Comment 11

[Justin Kerk]

Actually this is still happening, I'm not sure whether it regressed or whether I just didn't notice when I resolved this (the font difference is subtle on my system). This seems to be basically the same as bug 341054 but I'll leave it open since we probably shouldn't even be drawing the BOM at all as per bug 205387.

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9a1) Gecko/20060703 Minefield/3.0a1 ID:2006070304 [cairo]

Comment 12

[Stuart Parmenter]

this is a dup of 332649.