c-parse.in (initelt): Give appropriate pedantic warnings...

c-parse.in (initelt): Give appropriate pedantic warnings...

	* c-parse.in (initelt): Give appropriate pedantic warnings,
	depending on flag_isoc99, for non-ISO syntax and for C99 syntax
	outside C99 mode.
	(designator): If pedantic, pedwarn for a designator specifying a
	range of elements.
	* c-typeck.c (set_init_index, set_init_label): Don't pedwarn for
	these cases.
	* extend.texi: Document the C99 syntax as the preferred syntax,
	and the pre-2.5 syntax as obsolete.  Mention use of designator
	lists for nested subobjects.

From-SVN: r37421