Several improvements to ps.1: 	- Document the fact that empty heading text suppresses the 	  heading line (e.g. 'ps -o pid='), as this is very useful 	  in scripts. 	- Describe logname keyword more completely. 	- Describe the printing of arguments more completely. 	- Put lockname in the correct alphabetical order in the list 	  of all keywords. 	- Correct sentence in standards section.
Several improvements to ps.1:
	- Document the fact that empty heading text suppresses the
	  heading line (e.g. 'ps -o pid='), as this is very useful
	  in scripts.
	- Describe logname keyword more completely.
	- Describe the printing of arguments more completely.
	- Put lockname in the correct alphabetical order in the list
	  of all keywords.
	- Correct sentence in standards section.

Submitted by:	Jilles Tjoelker <jilles at stack nl>
PR:		docs/73618
MFC After:	1 week

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