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	Index: head/lib/libc/sys/lseek.2
	===================================================================
	--- head/lib/libc/sys/lseek.2
	+++ head/lib/libc/sys/lseek.2
	@@ -131,8 +131,14 @@
	.Dv SEEK_HOLE
	to optimise their behavior for ranges of zeros, but must not depend on it to
	find all such ranges in a file.
	+Each file is presented as having a zero-size virtual hole at the very
	+end of the file.
	The existence of a hole at the end of every data region allows for easy
	-programming and implies that a virtual hole exists at the end of the file.
	+programming and also provides compatibility to the original imlementation
	+in Solaris.
	+It also causes the current file size (i.e. end-of-file offset) to be returned
	+to indicate that there are no more holes past the supplied
	+.Fa offset .
	Applications should use
	.Fn fpathconf _PC_MIN_HOLE_SIZE
	or
	@@ -176,9 +182,11 @@
	For
	.Dv SEEK_DATA ,
	there are no more data regions past the supplied offset.
	-For
	-.Dv SEEK_HOLE ,
	-there are no more holes past the supplied offset.
	+Due to existence of the hole at the end of the file, for
	+.Dv SEEK_HOLE
	+this error is only returned when the
	+.Fa offset
	+already points to the end-of-file position.
	.It Bq Er EOVERFLOW
	The resulting file offset would be a value which cannot be represented
	correctly in an object of type