612.This section defines the terms “appellant” and “appellate proceedings” where they appear in sections 133 to 140. The definition of “appellate proceedings” lists all those proceedings which that term covers in those provisions. It covers the full range of appellate proceedings that might be raised by an appellant following his conviction where he seeks to bring his conviction under review alleging any miscarriage of justice, or in sentence appeals where he alleges a miscarriage of justice based on the existence and significance of evidence not heard in the original proceedings.