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BEGIN {
	FS = ": "
	rcount = 0
}
{ sub(/^(    )*/,"",$0) }
/^revno:/{revno = $2; rs[++rcount] = $2}
/^revision-id:/{
	revids[$2] = revno
	revnos[revno,"revid"] = $2
	revnos[revno,"parents"] = 0
}
/^parent:/{revnos[revno,"parent",++revnos[revno,"parents"]] = $2}
/^committer:/{revnos[revno,"committer"] = $2}
/^branch nick:/{revnos[revno,"branch"] = $2}
/^timestamp:/{revnos[revno,"time"] = $2}
/^  .*/{revnos[revno,"message"] = revnos[revno,"message"] $0 "\n"}

function mangle(s) {
	gsub(/@/, "_at_", s)
	gsub(/\./, "_dot_", s)
	return s
}

END{
	for (r=1; r<=rcount; r++) {
		revno = rs[r]
		print ".. _"revno":\n"
		if((revno,"branch") in revnos) {
			into = "into branch ``"revnos[revno,"branch"]"`` "
		} else {
			into = ""
		}
		print "* rev. **"revno"** by *"mangle(revnos[revno,"committer"])"* "into"at "revnos[revno,"time"]
		for (n=1; n <= revnos[revno,"parents"]; n++) {
			p_revid = revnos[revno,"parent",n]
			rev_range=revnos[revno,"revid"]".."p_revid
			gsub(/[:%/?*]/, "_", rev_range)
			print "* parent: `"revids[p_revid]"`_ `diff <diff/"rev_range">`__"
		}
		print "\n::\n\n" revnos[revno,"message"]
	}
}