bug#3375: marked as done (23.0.94; Document incompatible change to format of bookmarks)

[Emacs bug Tracking System]

Your message dated Fri, 09 Oct 2009 01:30:30 -0400
with message-id <87ljjlb0cp.fsf@red-bean.com>
and subject line Fix "Document incompatible change to format of bookmarks"
has caused the Emacs bug report #3375,
regarding 23.0.94; Document incompatible change to format of bookmarks
to be marked as done.

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bug report if necessary, and/or fix the problem forthwith.

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-- 
3375: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=3375
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> --- Begin Message ---
>
>
>
> Subject: 
>
> 23.0.94; Document incompatible change to format of bookmarks
>
>
>
>
> Date: 
>
> Mon, 25 May 2009 12:50:40 -0700
>
>
>
>
> Emacs 23 apparently introduces an incompatible change to the format of
> bookmarks. A bookmark that formerly would have had this form:
> ("Directories"
>   ((front-context-string . "\n22.8 File Direc")
>    (rear-context-string . ": > Directories\n")
>    (position . 133657)
>    (filename . "c:/Emacs-23-0-3/info/emacs")
>    (info-node . "Directories")
>    (handler . Info-bookmark-jump)))
>  
> Now can have this form:
> ("Directories"
>   (front-context-string . "\n22.8 File Direc")
>   (rear-context-string . ": > Directories\n")
>   (position . 133657)
>   (filename . "c:/Emacs-23-0-3/info/emacs")
>   (info-node . "Directories")
>   (handler . Info-bookmark-jump))
>  
> The is handled in the changed definition of
> `bookmark-get-bookmark-record', which accommodates both forms.
> However, if you try to do, say, `C-x r l' in Emacs 22 and you have
> created a bookmark of the latter form (using Emacs 23), then `C-x r l'
> raises an error.  That's normal - Emacs 22 can't know about the
> incompatible change that Emacs 23 introduces.
>  
> I don't know why this change was necessary. (Why?) But let's assume
> that it was in fact necessary. The bug is that it is totally
> undocumented.
>  
> Please _at least_ document this in NEWS. The _only_ thing mentioned in
> NEWS about bookmarks is this:
>  
>  "*** bookmark provides `bookmark-make-record-function' so
>  special major modes like Info can teach bookmark.el how to save
>  and restore the relevant data."
>  
>  
>  
> In GNU Emacs 23.0.94.1 (i386-mingw-nt5.1.2600) of 2009-05-24 on
>  SOFT-MJASON Windowing system distributor `Microsoft Corp.', version
>  5.1.2600 configured using `configure --with-gcc (3.4)'
>  
>
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Fix "Document incompatible change to format of bookmarks"
>
>
>
>
> Date: 
>
> Fri, 09 Oct 2009 01:30:30 -0400
>
>
>
>
> fixed
> --
>
> Thanks for the report.  I've documented the format change in NEWS;
> here's the commit:
>
>   $ cvs ci -F msg etc/NEWS etc/ChangeLog
>   /sources/emacs/emacs/etc/NEWS,v  <--  etc/NEWS
>   new revision: 1.2100; previous revision: 1.2099
>   /sources/emacs/emacs/etc/ChangeLog,v  <--  etc/ChangeLog
>   new revision: 1.812; previous revision: 1.811
>   Mailing notification to emacs-diffs@gnu.org... sent.
>   $ 
>
> (I don't know why the default write-out format was changed, as I didn't
> commit rev 1.114 of bookmark.el.  We could investigate and find out, but
> it would be of forensic interest only at this point -- the change is
> made, and there's a long list of bookmark.el bugs to go.  So I'm not
> going to investigate the reasoning behind 1.114 closely; if you happen
> to find out, please let me know.)
>
> -Karl
>
> --- End Message ---