[Project_owners] dialog icons - Firefox AND Seamonkey question

[Eric H. Jung]

--- Neil <neil at parkwaycc.co.uk> wrote:

> You're right about the id of the document element. In SeaMonkey 1.x, the 
> icon lives in the application's chrome/icons/default directory; in 
> SeaMonkey 2.x, Firefox and Thunderbird you can also provide an icon in 
> an extension's chrome/icons/default directory.

Thanks, Neil. Are .xpm files still necessary for the icons to work on Unix/Linux?