* new-features.sgml (ov-new1.7.2): Add chapter for news in 1.7.2.

	* new-features.sgml (ov-new1.7.2): Add chapter for news in 1.7.2.
	* setup2.sgml (setup-locale-ov): Describe how valid locales are
	determined by Windows locale support.  Change description for modifiers
	in locale environment variables.
	(setup-locale-how): Describe new charset behaviour.  Mention new
	getlocale tool to fetch valid locale information from Windows.
	(setup-locale-missing): Drop now implemented LC_foo options.
	Explain missing LC_MESSAGES in more detail.