The official 2012 manual is available here, in PDF, HTML, and text formats.
This page provides Emacs info format.
Download a tar gzip of the info version of the Ada 2005 and 2012 Reference Manual and Annotated Ada Reference Manual; arm2012-20130312.tar.gz
Download the full source (Scribe for 2005 and 2012, the Ada code to process it) with a Makefile that builds everything arm_form-20130312-src.tar.gz.
Author : Stephen Leake my home page
Last modified: Tue Mar 12 06:08:31 EDT 2013