2014-07-18  Pascal Obry  <obry@adacore.com>

	* a-textio.adb: Rename Is_Text_File to Text_Encoding.
	* a-ztexio.adb: Likewise.
	* a-witeio.adb: Likewise.
	(Open): Pass file's translation mode to set_text_mode.
	* s-ficobl.ads (Content_Encoding): New type.
	(Text_Content_Encoding): New subtype.
	(AFCB): Rename Is_Text_File to Text_Encoding.
	* s-fileio.adb (Open): Handles new text_translation
	values. Remove Is_Text_File which is equivalent to Text_Encoding
	in Text_Content_Encoding.
	* adaint.h (__gnat_set_mode): New routine.
	* sysdep.c (__gnat_set_wide_text_mode): Removed.
	(__gnat_set_mode): New routine.

From-SVN: r212810