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http://www.openoffice.org/issues/show_bug.cgi?id=68812
------- Additional comments from [EMAIL PROTECTED] Tue Nov 6 22:45:41 +0000
2007 -------
Hi,
more than a year ago we had some email exchange regarding
issue 68812, which I posted.
If this issue occurs - and it does so frequently - it will screw
up completely any Impress presentation containing equations.
I consider it very severe.
The status of this error has remained 'as is', since there was
no step-by-step procedure to reproduce it, although it its
existence has been granted.
Recently and within a multi-page presentation (which, as so
many times was killed by issue 68812) I was finally able to
track back, and isolate a reproducible sequence of
steps to produce the error. This sequence may seem awkward,
but actually represents a typical work-flow while editing
heavily on a presentation.
Attached is a tar-file 'issue.tar', containing file 'of1a.odp',
which is the file to begin with, and the results of the steps
outlined below. I very much hope this will help to fix the issue.
1) First: I'm running linux, SuSE 10.0, kernel 2.6.13-15.16-default and I'm
currently using ooo v 2.2.1 - but this error has occurred
to me with any other linux and any other version of ooo I've
been using. So, please don't wait to check all of this until I
have installed ooo version x.y.z, since I doubt the error is
pertinent to only a particular version of ooo.
2) In the PWD of 'of1a.odp' I generate two directories:
'1a' and '2a'. Into '1a' I unzip the xml-content of 'of1a.odp'
This is also contained in the *.tar file attached.
Please note, that you will find *two* object directories
in '1a', i.e. 'Object1' and 'Object2' containing the xml
data corresponding to the *two* equations displayed in
in 'of1a.odp'.
3) Now we do the steps to generate the error
a) open 'of1a.odp'. You see one line of text and two equations.
These entities are not grouped.
b) Next, group *only* the line of text and the *second* (lower)
equation.
c) Now, *enter* this group of two entities and double-click on
equation in the group to edit the equation. Change the
%chi_{%my%ny}(t,t')= in this equation to
%chi_{%my%ny}(t,t')`=` (i.e. add some space the = sign)
Click on the the viewgraph's window to close the equation editor.
d) Now, *exit* all groups.
e) Next, *ungroup* the line of text and the equation. You should be
back with three ungrouped entities.
f) Now, group *all* entities, i.e. the line of text and both
equations.
g) Save this presentation as 'of2a.odp'.
This is also contained in the issue.tar file.
h) exit/terminate ooo
4) Unpack the xml-content of 'of2a.odp' into PWD/2a.
This is also contained in the issue.tar file.
Now(!!), to begin, note that in '2a', and all of a sudden
you will find only *one* xml-object representing a single
equation, even though our presentation should still
have two equations.
If you now fire up ooo again and open the presentation,
you will indeed find, that the content of one of the
equations has 'magically' been replaced with the
content of the other equation, leaving only one equation,
however displayed two times.
5) If you now, would start editing one these two equation
to 'correct' the error, bizarre things will happen, because
the contents of the equations are linked. These dependencies
usually will be visible to you only after saving and closing
the presentation and exiting ooo, and then restarting ooo
and opening up the presentation again.
I'm not aware if this is the only way to produce this error.
However, it seems to manifest itself more or less always
in an identical way, i.e. by the fact, that equations seem
to be 'linked' and change simultaneous under editing of only
one of them.
Along this line I have been screwing up over and over again
many involved presentations, which usually have far more
complicated grouped objects of equations and other things.
Once the error is in the presentation it is hard to pin
down the origin and usually it means: 'start from scratch'.
Please fix this! Thank you!
123ooofree
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