* doc/as.texinfo (Pseudo Ops): Remove no-file-dir conditional around

	* doc/as.texinfo (Pseudo Ops): Remove no-file-dir conditional around
	menu entry for File; remove version-specific .file operands from menu
	description.  Replace "LNS directives" menu entry with new entries
	for "Loc" and "Loc_mark_labels".
	(LNS directives): Split into separate nodes for each directive.
	(Loc): New node for .loc directive.  Mention that this directive
	is for DWARF2 and add a missing article.
	(Loc_mark_labels): Likewise for .loc_mark_labels.
	(File): Change this node to describe both the default version and
	the DWARF2 version of .file.  Move the no-file-dir conditional to
	include only the default version.