* lang.opt (fpad-source): New option.
	* scanner.c (load_line): Don't pad fixed form lines if
	!flag_pad_source.
	* invoke.texi (-fno-pad-source): Document.

	* gfortran.dg/pad_source_1.f: New test.
	* gfortran.dg/pad_source_2.f: New test.
	* gfortran.dg/pad_source_3.f: New test.
	* gfortran.dg/pad_source_4.f: New test.
	* gfortran.dg/pad_source_5.f: New test.

From-SVN: r266397