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bug#2612: marked as done (VC annotate mode places point on wrong line n


From: Emacs bug Tracking System
Subject: bug#2612: marked as done (VC annotate mode places point on wrong line number when narrowing is in effect)
Date: Tue, 10 Mar 2009 01:05:07 +0000

Your message dated Mon, 09 Mar 2009 21:01:02 -0400
with message-id <address@hidden>
and subject line Re: VC annotate mode places point on wrong line number when 
narrowing is in effect
has caused the Emacs bug report #2612,
regarding VC annotate mode places point on wrong line number when narrowing is 
in effect
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

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-- 
2612: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=2612
Emacs Bug Tracking System
Contact address@hidden with problems
--- Begin Message --- Subject: VC annotate mode places point on wrong line number when narrowing is in effect Date: Mon, 09 Mar 2009 15:28:12 +0100 User-agent: Thunderbird 2.0.0.19 (Windows/20081209)
Actual Behaviour:

The VC annotate mode automatically places point on the same line as it is in the buffer of the corresponding file. Thus, one sees the same line in the annotated buffer as in the file buffer. However, when narrowing is in effect in the file buffer when vc-annotate is called, point is placed on the wrong line.

How to Reproduce:

 * Visit a version-controlled file with at least 2 lines.
 * Narrow to a region that does not start on line 1 (say, on line 2).
* Place point on say, line 1 of the narrowed portion (i.e., line 2 of the file).
 * Call vc-annotate (C-x v g)
 * Note how point is on line 1 of the file instead of the expected line 2.

Patch:

In vc.el, surround the call to (line-number-at-pos) by a (save-restriction (widen) ...):

diff -u "c:/Programme/emacs/emacs-22.2/lisp/vc.el~" "c:/Programme/emacs/emacs-22.2/lisp/vc.el" --- c:/Programme/emacs/emacs-22.2/lisp/vc.el~ 2008-02-04 03:32:56.000000000 +0100 +++ c:/Programme/emacs/emacs-22.2/lisp/vc.el 2009-03-04 17:57:40.078000000 +0100
@@ -3194,7 +3194,7 @@
;; If BUF is specified, we presume the caller maintains current line,
          ;; so we don't need to do it here.  This implementation may give
;; strange results occasionally in the case of REV != WORKFILE-REV.
-         (current-line (unless buf (line-number-at-pos))))
+ (current-line (unless buf (save-restriction (widen) (line-number-at-pos)))))
     (message "Annotating...")
     ;; If BUF is specified it tells in which buffer we should put the
     ;; annotations.  This is used when switching annotations to another

Diff finished.  Mon Mar 09 15:24:19 2009

By the Way:

vc.el contains '$Id$', looks like keyword expansion was not switched on.

In GNU Emacs 22.2.1 (i386-mingw-nt5.1.2600)
 of 2008-03-26 on RELEASE
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (3.4)'







--- End Message ---
--- Begin Message --- Subject: Re: VC annotate mode places point on wrong line number when narrowing is in effect Date: Mon, 09 Mar 2009 21:01:02 -0400
> The VC annotate mode automatically places point on the same line as it
> is in the buffer of the corresponding file. Thus, one sees the same
> line in the annotated buffer as in the file buffer. However, when
> narrowing is in effect in the file buffer when vc-annotate is called,
> point is placed on the wrong line.

Thanks, I've checked your patch into CVS.


--- End Message ---

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