D20448.diff
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	Index: head/share/man/man9/style.9
	===================================================================
	--- head/share/man/man9/style.9
	+++ head/share/man/man9/style.9
	@@ -26,7 +26,7 @@
	.\" From: @(#)style 1.14 (Berkeley) 4/28/95
	.\" $FreeBSD$
	.\"
	-.Dd May 28, 2019
	+.Dd June 3, 2019
	.Dt STYLE 9
	.Os
	.Sh NAME
	@@ -779,8 +779,19 @@
	static void
	usage(void)
	{
	- /* Insert an empty line if the function has no local variables. */
	+ /* Optional blank line goes here. */
	.Ed
	+.Pp
	+Optionally, insert a blank line at the beginning of functions with no local
	+variables.
	+Older versions of this
	+.Nm
	+document required the blank line convention, so it is widely used in existing
	+code.
	+.Pp
	+Do not insert a blank line at the beginning of functions with local variables.
	+Instead, these should have local variable declarations first, followed by one
	+blank line, followed by the first statement.
	.Pp
	Use
	.Xr printf 3 ,