2007-09-26  Thomas Quinot  <quinot@adacore.com>
	    Sergey Rybin  <rybin@adacore.com>

	* gnatvsn.ads (PCS_Version_Number, ASIS_Version_Number): Removed.

	* exp_dist.ads (PCS_Version_Number): Move from Gnatvsn to Exp_Dist,
	where it belongs.

	* opt.ads: Move ASIS_Version_Number from Gnatvsn into Tree_IO.

	* rtsfind.adb (PCS_Version_Number): Move from Gnatvsn to Exp_Dist,
	where it belongs.

	* sem_dist.ads: Minor comment fix

	* tree_io.ads: Move ASIS_Version_Number from Gnatvsn into Tree_IO.

From-SVN: r128783