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Re: count-lines-page
From: |
Stephen Berman |
Subject: |
Re: count-lines-page |
Date: |
Wed, 25 Aug 2010 01:18:46 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
On Wed, 25 Aug 2010 00:56:03 +0200 Stephen Berman <address@hidden> wrote:
> if it is on line 3, there are two before and none after. The following
> patch implements this behavior (and changes the doc string accordingly;
> the original doc string is in any case too long and also uses "or" where
> "and" is meant).
On second thought, I guess "or" was right after all -- and should be
used in my patch instead of "and". But the clearest formulation is with
"and": "Also show how many lines precede and how many follow the line
point is on."
> Steve Berman
>
>
> *** /data/steve/bzr/emacs/trunk/lisp/textmodes/page.el 2010-01-13
> 10:56:56.000000000 +0100
> --- /data/steve/bzr/emacs/quickfixes/lisp/textmodes/page.el 2010-08-25
> 00:47:30.000000000 +0200
> ***************
> *** 126,132 ****
> (put 'narrow-to-page 'disabled t)
>
> (defun count-lines-page ()
> ! "Report number of lines on current page, and how many are before or after
> point."
> (interactive)
> (save-excursion
> (let ((opoint (point)) beg end
> --- 126,133 ----
> (put 'narrow-to-page 'disabled t)
>
> (defun count-lines-page ()
> ! "Return the number of lines on the current page.
> ! Also show how many lines precede and follow the line point is on."
> (interactive)
> (save-excursion
> (let ((opoint (point)) beg end
> ***************
> *** 139,146 ****
> (backward-page)
> (setq beg (point))
> (setq total (count-lines beg end)
> ! before (count-lines beg opoint)
> ! after (count-lines opoint end))
> (message "Page has %d lines (%d + %d)" total before after))))
>
> (defun what-page ()
> --- 140,149 ----
> (backward-page)
> (setq beg (point))
> (setq total (count-lines beg end)
> ! before (- (line-number-at-pos opoint)
> ! (line-number-at-pos (point-min)))
> ! after (- (line-number-at-pos (point-max))
> ! (line-number-at-pos opoint)))
> (message "Page has %d lines (%d + %d)" total before after))))
>
> (defun what-page ()