Re: [libreoffice-users] How to unprotect readonly parts of a document?

Alan Stern wrote:
> On Fri, 17 May 2013, Girvin R. Herr wrote:
>
>   
> > Alan Stern wrote:
> > <snip>
> >     
> > > Here's another odd thing I encountered.  Moving the cursor one
> > > character at a time (using the right-arrow key), I find what appears to
> > > be two hidden characters: one at the beginning of the readonly field
> > > and one at its end.
> > >
> > > That is, start with the cursor just to the left of the blank space
> > > before the "(9)" field.  Pressing right-arrow advances the cursor to
> > > the right of the space, leaving it on the left-hand edge of the '('.  
> > > Pressing right-arrow again doesn't move the cursor at all.  Pressing it
> > > once more advances the cursor between the '(' and '9'.
> > >
> > > Alan Stern
> > >   
> > >       
> > Alan,
> > Did you try viewing hidden objects?
> > Check the following:
> > View -> Field Names
> > View -> Nonprinting Characters
> > View -> Hidden Paragraphs
> >     
>
> I have tried these.  They make no difference.
>
>   
> > Maybe one of those will make your "hidden characters" visible and give 
> > you a clue as to what it is doing.
> >     
>
> Nope.
>
>   
> > Another more painful option could be to unzip the file and look at the 
> > text to see what is there at these "hidden" characters, optionally 
> > editing it out manually.
> >     
>
> Interesting; I didn't know one could do that.  The content.xml file 
> shows the following (the "..." part is where I erased a lot of 
> irrelevant material; I also wrapped a couple of long lines):
>
> Normal</text:span>
> <text:span text:style-name="T3"> </text:span>
> <field:fieldmark-start text:name="__Fieldmark__24_1596095481"
>  field:type="vnd.oasis.opendocument.field.UNHANDLED">
> <field:param field:name="vnd.oasis.opendocument.field.code"
>  field:value=" ADDIN EN.CITE &lt;EndNote&gt; ... "/>
> <field:param field:name="vnd.oasis.opendocument.field.id" field:value="81"/>
> </field:fieldmark-start>
> <text:span text:style-name="T5">(9)</text:span>
> <field:fieldmark-end/>
> <text:span text:style-name="T1"> </text:span>
> <text:span text:style-name="T2">Normal again.
>
> I don't know enough to interpret all that, but clearly there is a field 
> of a sort that LibreOffice isn't ready to handle.
>
> Is there some way to get this information from within LibreOffice 
> itself?  I would that the field name and/or value should be accessible.
>
>   
> > Third, maybe another ODF processor, such as KDE's editor, Kword, may not 
> > support this readonly attribute and allow you to edit it normally.
> >     
>
> Maybe.  I don't see where in there the field is marked as readonly.
>
> Alan Stern
>   
Alan,
I am not an expert in decoding the XML for LO.  Maybe someone else on 
the list can explain that.  Even though there is no "smoking gun" 
reference to a "readonly" attribute, there do seem to be a lot of 
numbers in your snippet above that could mean something to LO.  On the 
other hand, I am not sure what LO would do when it encounters something 
it doesn't understand.  One option for it is to protect the information 
just to be sure, and that could be what you are seeing.  I am guessing.

Of course, you could make a test copy of this file and just try changing 
suspicious things on the copy and see what LO does.  Painful, but 
instructive.

Didn't you say this file had been converted from MSWORD?  If so, and LO 
did the conversion, there may indeed be a bug in the converter that 
needs to be brought to the attention of the devs.

Girvin

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