mozilla/pdf.js — pull request #2734 by jviereck (2013-02-17 10:37:20+00:00)
Title: Hide header/footer by default when printing from Firefox. See Bug 743252

Add __moznomarginboxes__ on `` element to hide footer/header when printing from Firefox by default.

See also the corresponding patch on bug 743252:

https://bug743252.bugzilla.mozilla.org/attachment.cgi?id=714888