Browsing Bulgarian translation

TRANSLATORS: Used in the footer of printouts to compactly
indicate this is an extended elevation view.  Aven will replace
%.0f with the scale.

Try to keep the translation short (for example, in English we
use "Extended" not "Extended elevation") - there is limited room
in the footer, and the details there are mostly to make it easy
to check that you have corresponding pages from a multiple page
printout.