where's the init script message standard

[Joey Hess <joey@kite.ml.org>]

Where's the document that describes how init.d scripts output "Starting:
foo bar." type messages?

-- 
#!/usr/bin/perl -i=-/*/~%*~%/~~%/~~~-/*/_/=~~~-/====~~! # joey@kite.ml.org
$o=35;$_="$^I-*!=====_!/";s/~/!*/g;s~%~-/ / ~g;$_.='---      Joey Hess
';s/=/__/g;y|*!| \\|;for(split/-/){print' 'x$o--."$_\n"}# a M.C. Escher fan
               "true - do nothing, successfully" - - true (1)