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locks; strict;
comment	@# @;


1.1
date	96.11.01.06.45.37;	author peter;	state Exp;
branches
	1.1.1.1;
next	;

1.1.1.1
date	96.11.01.06.45.37;	author peter;	state Exp;
branches
	1.1.1.1.82.1;
next	;

1.1.1.1.82.1
date	96.11.01.06.45.37;	author svnexp;	state dead;
branches;
next	1.1.1.1.82.2;

1.1.1.1.82.2
date	2013.03.28.13.01.50;	author svnexp;	state Exp;
branches;
next	;


desc
@@


1.1
log
@Initial revision
@
text
@#	@@(#)autowrite	8.3 (Berkeley) 2/17/95

Vi autowrite behavior, the fields with *'s are "don't cares".

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Commands that are affected only by autowrite:

Command	File		Autowrite?	Action:
	modified?
-----------------------------------------------
^Z	Y		Y		Write file and suspend.
^Z	Y		N		Suspend.
^Z	N		*		Suspend.

# This behavior is NOT identical to :edit.
^^	Y		Y		Write file and jump.
^^	Y		N		Error.
^^	N		*		Jump.

# The new nvi command ^T (:tagpop) behaves identically to ^].
# This behavior is identical to :tag, :tagpop, and :tagpush with
# force always set to N.
^]	Y		Y		Write file and jump.
^]	Y		N		Error.
^]	N		*		Jump.

# There's no way to specify a force flag to the '!' command.
:!	Y		Y		Write file and execute.
:!	Y		N		Warn (if warn option) and execute.
:!	N		*		Execute.

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Commands that are affected by both autowrite and force:

NOTE: the "force" flag is never passed on, i.e. the write
to the file caused by the autowrite flag is never forced.

Command	File		Autowrite?	Force? 	Action:
	modified?			(!)
-------------------------------------------------------
# The first rule (YYY) is historic practice, but seems wrong.
# In nvi, :next and :prev commands behave identically to :rewind.
:next 	Y		Y		Y	Write changes and jump.
:next 	Y		Y		N	Write changes and jump.
:next 	Y		N		Y	Abandon changes and jump.
:next 	Y		N		N	Error.
:next 	N		*		*	Jump.

:rewind	Y		Y		Y	Abandon changes and jump.
:rewind	Y		Y		N	Write changes and jump.
:rewind	Y		N		Y	Abandon changes and jump.
:rewind	Y		N		N	Error.
:rewind	N		*		*	Jump.

# The new nvi commands, :tagpop and :tagtop, behave identically to :tag.
# Note, this behavior is the same as :rewind and friends, as well.
:tag	Y		Y		Y	Abandon changes and jump.
:tag	Y		Y		N	Write changes and jump.
:tag	Y		N		Y	Abandon changes and jump.
:tag	Y		N		N	Error.
:tag	N		*		*	Jump.

# The command :suspend behaves identically to :stop.
:stop	Y		Y		Y	Suspend.
:stop	Y		Y		N	Write changes and suspend.
:stop	Y		N		Y	Suspend.
:stop	Y		N		N	Suspend.
:stop	N		*		*	Suspend.

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Commands that might be affected by autowrite, but aren't:

Command	File		Autowrite?	Force? 	Action:
	modified?			(!)
-------------------------------------------------------
#:ex, and :vi (executed while in vi mode) behave identically to :edit.
:edit 	Y		*		Y	Abandon changes and jump.
:edit 	Y		*		N	Error.
:edit 	N		*		*	Jump.

:quit	Y		*		Y	Quit.
:quit	Y		*		N	Error.
:quit	N		*		*	Quit.

:shell	*		*		*	Execute shell.

:xit	Y		*		*	Write changes and exit.
:xit	N		*		*	Exit.
@


1.1.1.1
log
@Import of nvi-1.79, minus a few bits that we dont need (eg: postscript
files, curses, db, regex etc that we already have).  The other glue will
follow shortly.

Obtained from: Keith Bostic <bostic@@bostic.com>
@
text
@@


1.1.1.1.82.1
log
@file autowrite was added on branch RELENG_8_4 on 2013-03-28 13:01:50 +0000
@
text
@d1 88
@


1.1.1.1.82.2
log
@## SVN ## Exported commit - http://svnweb.freebsd.org/changeset/base/248810
## SVN ## CVS IS DEPRECATED: http://wiki.freebsd.org/CvsIsDeprecated
@
text
@a0 88
#	@@(#)autowrite	8.3 (Berkeley) 2/17/95

Vi autowrite behavior, the fields with *'s are "don't cares".

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Commands that are affected only by autowrite:

Command	File		Autowrite?	Action:
	modified?
-----------------------------------------------
^Z	Y		Y		Write file and suspend.
^Z	Y		N		Suspend.
^Z	N		*		Suspend.

# This behavior is NOT identical to :edit.
^^	Y		Y		Write file and jump.
^^	Y		N		Error.
^^	N		*		Jump.

# The new nvi command ^T (:tagpop) behaves identically to ^].
# This behavior is identical to :tag, :tagpop, and :tagpush with
# force always set to N.
^]	Y		Y		Write file and jump.
^]	Y		N		Error.
^]	N		*		Jump.

# There's no way to specify a force flag to the '!' command.
:!	Y		Y		Write file and execute.
:!	Y		N		Warn (if warn option) and execute.
:!	N		*		Execute.

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Commands that are affected by both autowrite and force:

NOTE: the "force" flag is never passed on, i.e. the write
to the file caused by the autowrite flag is never forced.

Command	File		Autowrite?	Force? 	Action:
	modified?			(!)
-------------------------------------------------------
# The first rule (YYY) is historic practice, but seems wrong.
# In nvi, :next and :prev commands behave identically to :rewind.
:next 	Y		Y		Y	Write changes and jump.
:next 	Y		Y		N	Write changes and jump.
:next 	Y		N		Y	Abandon changes and jump.
:next 	Y		N		N	Error.
:next 	N		*		*	Jump.

:rewind	Y		Y		Y	Abandon changes and jump.
:rewind	Y		Y		N	Write changes and jump.
:rewind	Y		N		Y	Abandon changes and jump.
:rewind	Y		N		N	Error.
:rewind	N		*		*	Jump.

# The new nvi commands, :tagpop and :tagtop, behave identically to :tag.
# Note, this behavior is the same as :rewind and friends, as well.
:tag	Y		Y		Y	Abandon changes and jump.
:tag	Y		Y		N	Write changes and jump.
:tag	Y		N		Y	Abandon changes and jump.
:tag	Y		N		N	Error.
:tag	N		*		*	Jump.

# The command :suspend behaves identically to :stop.
:stop	Y		Y		Y	Suspend.
:stop	Y		Y		N	Write changes and suspend.
:stop	Y		N		Y	Suspend.
:stop	Y		N		N	Suspend.
:stop	N		*		*	Suspend.

=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Commands that might be affected by autowrite, but aren't:

Command	File		Autowrite?	Force? 	Action:
	modified?			(!)
-------------------------------------------------------
#:ex, and :vi (executed while in vi mode) behave identically to :edit.
:edit 	Y		*		Y	Abandon changes and jump.
:edit 	Y		*		N	Error.
:edit 	N		*		*	Jump.

:quit	Y		*		Y	Quit.
:quit	Y		*		N	Error.
:quit	N		*		*	Quit.

:shell	*		*		*	Execute shell.

:xit	Y		*		*	Write changes and exit.
:xit	N		*		*	Exit.
@


