* faq-using.xml (faq.using.converting-paths): Remove reference to

	* faq-using.xml (faq.using.converting-paths): Remove reference to
	cygwin.bat.
	(faq.using.emacs): Drop "CYGWIN=tty" setting.
	* pathnames.sgml (pathnames-posixdevices): Align list of device names
	with changes in 1.7.10.
	* setup2.sgml (setup-env-ov): Drop text which assumes that Cygwin
	processes are started in console window.  Align wording to lessened
	relevance of $CYGWIN.  Don't use dropped CYGWIN setting in example.
	(setup-locale-how): Put using console and Cygwin.bat file into
	perspective.
	(setup-locale-problems): Ditto.