How to change default page size in Firefox to A4

[Andrea]

On 31/07/09 20:38, Mike Cloaked wrote:
>
>
> Andrea-60 wrote:
>> Hi,
>>
>> I would like to set the default page size in firefox to A4,
>> but there seems to be no way of doing it.
>>
>> Each time the page size is reset to US Letter.
>>
>> CUPS has a default page size of A4 and all other application (okular,
>> evince...) honour it.
>>
>> Forgot to say, I'm on Fedora 11, Firefox 3.5.1
>>
>>
>
> If you go to about:config and check the lines starting with "print..." then
> for your printer you may find a line with the print details - if it is
> na_letter maybe this can be changed to iso_A4 ?  Make sure any other
> parameters are set correctly also... I have not had to change mine and the
> first time I used the printer and changed to A4 I think it did stick...
>
>

Thanks. It worked.

What is the difference between na_letter and letter, and A4 and iso_A4.
I would qualify it as a bug, which seems to have been there for ages (reading other reports on google).

Andrea