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Re: Speed of keyboard macro execution?

From: Eli Zaretskii
Subject: Re: Speed of keyboard macro execution?
Date: Thu, 10 Dec 2015 22:48:24 +0200

> From: David Kastrup <address@hidden>
> Date: Thu, 10 Dec 2015 21:36:14 +0100
> Cc: Eli Zaretskii <address@hidden>, address@hidden
> John Wiegley <address@hidden> writes:
> >>>>>> Perry E Metzger <address@hidden> writes:
> >
> >> On Thu, 10 Dec 2015 22:00:05 +0200 Eli Zaretskii <address@hidden> wrote:
> >>> > From: David Kastrup <address@hidden>
> >>> > So I think it would make excellent sense to disable visual
> >>> > positioning modes while recording and replaying keyboard macros.
> >>> 
> >>> No, I think you are wrong.  Think C-n and C-p again.
> >
> > Recording a macro has the value that it does what the user would have
> > done, just automated. If you disable visual positioning, then in many
> > cases it no longer does what I would have done manually.
> Visual positioning makes no sense without visual feedback.  Can you show
> a single example of a task to be done by a keyboard macro where visual
> positioning would _help_ achieve that task rather than sabotage it?

Even if I agree with you, it doesn't help to fix the _interactive_ use
case of pressing C-p.  With very long lines, that can take an
eternity.  _That_ is what we should strive to fix.

> Just one?  For your argument's sake?  I certainly get the ugliness of
> changing a setting during macro record/replay.  No question about that.
> But the alternative is keyboard macros being essentially useless because
> their effects on the text become unpredictable.
> Yes, they are then perfectly equivalent to pressing the same keys
> outside of macro recording/replay, but since the pressing of the keys is
> done based on visual feedback, there is just no point in recording key
> presses during visual movement mode and replay them at some other buffer
> position, or even the same buffer position but with different visuals.
> In this case, I prefer "wrong" to "useless".
> -- 
> David Kastrup

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