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Re: Missing frame parameters on tty's

From: Alan Mackenzie
Subject: Re: Missing frame parameters on tty's
Date: Mon, 18 Jan 2016 17:55:19 +0000
User-agent: Mutt/1.5.23 (2014-03-12)

Hello, Eli.

On Mon, Jan 18, 2016 at 07:07:46PM +0200, Eli Zaretskii wrote:
> > Date: Mon, 18 Jan 2016 17:03:32 +0000
> > Cc: address@hidden
> > From: Alan Mackenzie <address@hidden>

> > > I'd suggest something like

> > >   (Note that none of these parameters exist on text-mode frames.)

> > OK, but I'm not too keen on "text-mode" frames - there's a danger of
> > confusion with the major mode of that name.  How about:

> >     (Note that none of these parameters exist on text terminal frames.}

> > , using the original term "text terminal", but keeping the sentence in
> > parenteses?  After all, the main purpose is to alert Emacs Lisp hackers
> > to the possibility of these frame parameters being nil; exactly when
> > they are going to be nil is of secondary importance.

> The official terminology is "TTY frames" or "text-mode frames".  But I
> won't insist.

OK.  It's probably less important than other things, but I think the
following will be satisfactory to both of us:

diff --git a/doc/lispref/frames.texi b/doc/lispref/frames.texi
index 5d873ac..614b7db 100644
--- a/doc/lispref/frames.texi
+++ b/doc/lispref/frames.texi
@@ -1188,8 +1188,8 @@ Position Parameters
 @cindex window position on display
 @cindex frame position
-  Position parameters' values are normally measured in pixels, but on
-text terminals they count characters or lines instead.
+  Position parameters' values are measured in pixels.  (Note that none
+of these parameters exist on TTY frames.)
 @table @code
 @vindex left, a frame parameter

I'll commit it soon if (as expected) I don't hear back from you.

Alan Mackenzie (Nuremberg, Germany).

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